annotate gsm-fw/services/ffs/fsck.c @ 430:14618bd924ec

doc/RVTMUX and doc/TIFFS-Overview: updates
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 21 Jun 2014 21:28:56 +0000
parents 517dd86b45b1
children
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1 /******************************************************************************
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2 * Flash File System (ffs)
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3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com
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4 *
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5 * FFS file system integrity checking, journalling, init and exit
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6 *
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7 * $Id: fsck.c 1.3.1.1.1.33 Thu, 08 Jan 2004 15:05:23 +0100 tsj $
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8 *
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9 ******************************************************************************/
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10
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11 #include <string.h>
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12 #include <assert.h>
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13
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14 #include "ffs.h"
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15 #include "core.h"
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16 #include "drv.h"
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17 #include "ffstrace.h"
213
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18
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19 /******************************************************************************
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20 * Functions
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21 ******************************************************************************/
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22
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23 bref_t blocks_fsck(void);
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24 iref_t inodes_fsck(void);
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25
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26 /******************************************************************************
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27 * Init and Exit
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28 ******************************************************************************/
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29
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30 effs_t ffs_initialize(void)
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31 {
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32 bref_t b;
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33 struct inode_s *ip;
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34 int i;
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35
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36 tlw(led_set(0));
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37 tlw(led_on(LED_INIT));
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38 ttw(str(TTrInit, "initialize {" NL));
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39 tw(tr(TR_BEGIN, TrFsck, "ffs_initialize() {\n"));
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40
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41 // default to non-initialized ffs
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42 fs.root = 0;
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43 fs.debug[0] = fs.debug[1] = fs.debug[2] = fs.debug[3] = 0;
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44 fs.testflags = 0;
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45
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46 tlw(led_on(LED_DRV_INIT));
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47 fs.initerror = ffsdrv_init(); // read manufacturer and device ID
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48 tlw(led_off(LED_DRV_INIT));
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49 if (fs.initerror < 0) {
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50 tlw(led_off(0));
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51 tw(tr(TR_END, TrFsck, "} %d\n", fs.initerror));
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52 ttw(ttr(TTrInit, "} %d" NL, fs.initerror));
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53 return fs.initerror;
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54 }
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55
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56 for (i = 0; i < 2; i++)
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57 {
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58 tlw(led_on(LED_BLOCKS_FSCK));
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59 fs.initerror = EFFS_INVALID;
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60 fs.initerror = b = blocks_fsck();
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61 tlw(led_off(LED_BLOCKS_FSCK));
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62 if (fs.initerror < 0) {
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63 tlw(led_off(0));
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64 tw(tr(TR_END, TrFsck, "} %d\n", fs.initerror));
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65 ttw(ttr(TTrInit, "} %d" NL, fs.initerror));
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66 return fs.initerror;
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67 }
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68
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69 tlw(led_on(LED_INODES_FSCK));
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70 fs.initerror = EFFS_INVALID;
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71 fs.initerror = inodes_fsck();
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72 tlw(led_off(LED_INODES_FSCK));
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73 if (fs.initerror < 0) {
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74 tlw(led_off(0));
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75 tw(tr(TR_END, TrFsck, "} %d\n", fs.initerror));
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76 ttw(ttr(TTrInit, "} %d" NL, fs.initerror));
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77 return fs.initerror;
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78 }
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79
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80 // parse the fs options in the root inode's name
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81 ip = inode_addr(fs.root);
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82 fs_params_init(addr2name(offset2addr(location2offset(ip->location))));
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83
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84 if ((fs.initerror = journal_init(fs.ijournal)) == 0)
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85 break;
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86 }
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87
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88 // Init all file_descriptors to zero
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89 memset(fs.fd, 0, sizeof(struct file_descriptor_s) * fs.fd_max);
213
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90
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91 // If blocks_fsck() found a block that needs cleaning, we do it, now
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92 // that all the file system has been initialized.
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93 if (b > 0) {
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94 block_clean(b - 1);
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95 block_free(b - 1);
213
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96 }
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97
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98 statistics_init();
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99
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100 // In target, we do this before entering the task event loop...
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101 // Otherwise we would in some cases impose a long reboot delay if we did
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102 // it here. If we test in target it is nessesary to call
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103 // blocks_reclaim() anyway because we re-init ffs.
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104
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105 #if (TARGET == 1) //NOTEME: can this be done in another/better way?
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106 #if (WITH_TFFS == 1)
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107 blocks_reclaim();
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108 #endif
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109 #else
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110 blocks_reclaim();
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111 #endif
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112 tlw(led_off(LED_INIT));
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113 tw(tr(TR_END, TrFsck, "} %d\n", EFFS_OK));
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114 ttw(str(TTrInit, "} 0" NL));
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115
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116 return EFFS_OK;
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117 }
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118
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119 void fs_params_init(const char *p)
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120 {
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121 uint8 opt, digit;
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122 uint32 n;
215
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123 int numdatablocks;
213
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124
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
125 tw(tr(TR_BEGIN, TrFsck, "fsparams_init('%s') {\n", p));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
126
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
127 // Compiled default values
213
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
128 fs.filename_max = FFS_FILENAME_MAX;
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
129 fs.path_depth_max = FFS_PATH_DEPTH_MAX;
213
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
130 fs.fd_max = FFS_FD_MAX;
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
131 fs.journal_size = FFS_JOURNAL_SIZE_IN256THS;
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
132 fs.flags = 0;
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
133 fs.testflags = 0;
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
134
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
135 // Flag that it not has been changed by an input arg.
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
136 fs.block_files_max = 0;
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
137
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
138 // The default lost bytes percentage of a block before it is reclaimed
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
139 // is approx. 90%.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
140 fs.lost_threshold = (256 - 256/10);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
141
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
142 // If we only have two blocks, we cannot make any reclaims and thus we
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
143 // have a write-once FFS system.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
144 fs.blocks_free_min = (dev.numblocks > 2 ? 1 : 0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
145
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
146 // Don't count free and inodes blocks
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
147 numdatablocks = dev.numblocks - fs.blocks_free_min - 1;
213
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
148
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
149 // Abselute max number of inodes.
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
150 fs.inodes_max = dev.blocksize / sizeof(struct inode_s);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
151 if (fs.inodes_max > FFS_INODES_MAX)
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
152 fs.inodes_max = FFS_INODES_MAX;
213
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
153
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
154 // MUST be true: objects_max <= inodes_max - block_files_max, this is do
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
155 // to the fact that we always need to have block_files_max number of
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
156 // inodes left when we run a data reclaim.
213
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
157 fs.objects_max = fs.inodes_max / 2;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
158
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
159 // Find a suitable chunk_size
213
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
160 if (dev.numblocks*dev.blocksize > 1024*1024)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
161 fs.chunk_size_max = 8192;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
162 else
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
163 fs.chunk_size_max = (2048 > (dev.blocksize / 8)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
164 ? (dev.blocksize / 8)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
165 : 2048);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
166 fs.fd_buf_size = fs.chunk_size_max;
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
167
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
168 fs.journal_size = fs.journal_size * dev.blocksize / 256;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
169 if (fs.journal_size < FFS_JOURNAL_SIZE_MIN)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
170 fs.journal_size = FFS_JOURNAL_SIZE_MIN;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
171
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
172 // Set it just below the same amount as entries in one journal file
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
173 fs.block_files_max = (fs.journal_size / sizeof(struct journal_s)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
174 - FFS_JOURNAL_MARGIN - 2);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
175
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
176 // MUST be true: block_files_max < objects_max / 2. But if we want
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
177 // to reach objects_max must block_files_max >= objects_max / number
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
178 // of datablocks, however a big block_files_max require higher
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
179 // reserved_space.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
180 if (fs.block_files_max > fs.objects_max / 2)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
181 fs.block_files_max = fs.objects_max / 2 - 4;
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
182
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
183 // Are we able to reach objects_max? If not then lower the number
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
184 if (fs.objects_max > numdatablocks * fs.block_files_max)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
185 fs.objects_max = numdatablocks * fs.block_files_max + 10;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
186
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
187 // Absolute minimum is RESERVED_LOW the rest is 'workspace' which is
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
188 // needed to have a reasonable performance.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
189 fs.reserved_space = dev.blocksize / 2 +
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
190 numdatablocks * dev.blocksize / 16 + RESERVED_LOW;
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
191
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
192 // skip to first char following second slash in name
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
193 n = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
194 while (*p) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
195 if (*p++ == '/') {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
196 n++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
197 if (n == 2)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
198 break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
199 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
200 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
201 if (n == 2) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
202 // while still options to process...
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
203 while (*p) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
204 opt = *p++; // save option letter for later
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
205 // collect option value...
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
206 n = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
207 while ((digit = *p)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
208 if (digit >= '0' && digit <= '9') {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
209 n = 10 * n + digit - '0';
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
210 p++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
211 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
212 else
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
213 break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
214 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
215 switch (opt) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
216 case 'b': dev.numblocks = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
217 case 'm': fs.blocks_free_min = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
218 case 'i': fs.inodes_max = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
219 case 'o': fs.objects_max = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
220 case 'n': fs.filename_max = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
221 case 'f': fs.block_files_max = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
222 case 'd': fs.fd_max = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
223 case 's': fs.fd_buf_size = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
224 case 't': fs.lost_threshold = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
225 case 'z': fs.flags = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
226 case 'j': fs.journal_size = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
227 case 'c': fs.chunk_size_max = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
228 case 'r': fs.reserved_space = n; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
229 // d = &fs.path_depth_max; // really necessary?
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
230 default:
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
231 break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
232 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
233 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
234 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
235
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
236 // Now recompute a few parameters based on adjusted values.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
237
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
238 // No journal file thuse no reserved space.
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
239 if (fs.journal_size == 0) {
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
240 fs.block_files_max = fs.objects_max / 2;
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
241 fs.reserved_space = 0;
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
242 fs.block_files_reserved = 0;
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
243 }
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
244
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
245 else {
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
246 // If journal size is less than minimum must it have been changed by an
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
247 // input arg, recalculate.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
248 if (fs.journal_size < FFS_JOURNAL_SIZE_MIN)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
249 fs.journal_size = fs.journal_size * dev.blocksize / 256;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
250
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
251 if (fs.reserved_space < RESERVED_LOW)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
252 fs.reserved_space = fs.reserved_space * dev.blocksize / 256;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
253
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
254 // Only one reserved is needed however we want a margin and set it to 2
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
255 fs.block_files_reserved = 2;
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
256 }
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
257
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
258 // Don't count free blocks, inode block, reserved space, block headers
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
259 // and the size of one filename.
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
260 fs.filesize_max = numdatablocks * dev.blocksize - fs.reserved_space -
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
261 numdatablocks * BHEADER_SIZE - FFS_FILENAME_MAX;
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
262
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
263 // Furthermore don't count the overhead from each chunk (alignment)
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
264 fs.filesize_max -= ((fs.filesize_max / fs.chunk_size_max) * dev.atomsize
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
265 + dev.atomsize);
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
266
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
267 // NOTEME: chunk_size_min is never used
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
268 fs.chunk_size_min = numdatablocks / fs.objects_max;
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
269
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
270 tw(tr(TR_FUNC, TrFsck, "dev.numblocks = %d\n", dev.numblocks));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
271 tw(tr(TR_FUNC, TrFsck, "fs.blocks_free_min = %d\n", fs.blocks_free_min));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
272 tw(tr(TR_FUNC, TrFsck, "fs.inodes_max = %d\n", fs.inodes_max));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
273 tw(tr(TR_FUNC, TrFsck, "fs.objects_max = %d\n", fs.objects_max));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
274 tw(tr(TR_FUNC, TrFsck, "fs.block_files_max = %d\n", fs.block_files_max));
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
275 tw(tr(TR_FUNC, TrFsck, "fs.block_files_reserved = %d\n", fs.block_files_reserved));
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
276 tw(tr(TR_FUNC, TrFsck, "fs.chunk_size_max = %d\n", fs.chunk_size_max));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
277 tw(tr(TR_FUNC, TrFsck, "fs.filename_max = %d\n", fs.filename_max));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
278 tw(tr(TR_FUNC, TrFsck, "fs.lost_threshold = %d\n", fs.lost_threshold));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
279 tw(tr(TR_FUNC, TrFsck, "fs.path_depth_max = %d\n", fs.path_depth_max));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
280 tw(tr(TR_FUNC, TrFsck, "fs.journal_size = %d\n", fs.journal_size));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
281 tw(tr(TR_FUNC, TrFsck, "fs.reserved_space = %d\n", fs.reserved_space));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
282 tw(tr(TR_FUNC, TrFsck, "fs.fd_max = %d\n", fs.fd_max));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
283 tw(tr(TR_FUNC, TrFsck, "fs.fd_buf_size = 0x%02x\n", fs.fd_buf_size));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
284 tw(tr(TR_FUNC, TrFsck, "fs.flags = 0x%02x\n", fs.flags));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
285 tw(tr(TR_END, TrFsck, "}\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
286 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
287
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
288 // TODO: Finish pending commits/writes.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
289 effs_t ffs_exit(void)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
290 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
291 tw(tr(TR_FUNC, TrFsck, "exit() 0\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
292
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
293
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
294 return EFFS_OK;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
295 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
296
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
297 #if 0 // Not used in this version
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
298 // Purely for core internal use; Read a file.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
299 effs_t file_read_int(const char *path, void *src, int size)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
300 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
301 if (fs.initerror != EFFS_OK)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
302 return fs.initerror;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
303
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
304 return object_read(path, src, size, 0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
305 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
306
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
307 // Purely for core internal use; Update a file.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
308 effs_t file_update(const char *path, void *src, int size)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
309 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
310 char *name;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
311 iref_t i, dir;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
312
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
313 if (fs.initerror != EFFS_OK)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
314 return fs.initerror;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
315
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
316 if ((i = object_lookup(path, &name, &dir)) < 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
317 return i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
318
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
319 journal_begin(i);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
320
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
321 if ((i = object_create(name, src, size, -dir)) < 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
322 return i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
323
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
324 journal_end(0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
325
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
326 return EFFS_OK;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
327 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
328 #endif
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
329
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
330 /******************************************************************************
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
331 * blocks_fsck()
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
332 ******************************************************************************/
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
333
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
334 blocksize_t block_used(bref_t b)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
335 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
336 blocksize_t used;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
337 uint32 *p, *q;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
338
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
339 tlw(led_toggle(LED_BLOCKS_FSCK));
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
340
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
341 // We search backwards through block to find the last used byte and
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
342 // thus the total number of used bytes. Note that this code depends
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
343 // on the fact that an erased flash location is 0xFF!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
344 p = (uint32 *) offset2addr(dev.binfo[b].offset);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
345 for (q = p + dev.blocksize/4 - 4; q > p; q -= 4) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
346 if ( ~(q[0] & q[1] & q[2] & q[3]) )
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
347 break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
348 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
349
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
350 if ( ~(q[0] & q[1] & q[2] & q[3]) )
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
351 q += 4;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
352 used = atomalign((char *) q - (char *) p);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
353
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
354 tw(tr(TR_FUNC, TrFsckLow, "ffs_block_used(%d) %d\n", b, used));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
355
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
356 return used;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
357 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
358
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
359
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
360 age_t age_distance(age_t x, age_t y)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
361 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
362 age_t a = x - y;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
363
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
364 if (a > 0x8000)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
365 a = -a;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
366
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
367 tw(tr(TR_FUNC, TrFsckLow, "age_distance(%d, %d) %d\n", x, y, a));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
368
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
369 return a;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
370 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
371
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
372 // For each ffs block, we initialise the basic bstat array information,
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
373 // namely the number of used bytes. Also, we locate the inodes block and if
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
374 // a previous operation was interrupted by a powerfail, we clean it up.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
375 //
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
376 // We return EFFS_OK if all is fine. If a positive integer is returned, it
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
377 // denotes a block that needs to be cleaned by block_clean() once FFS
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
378 // has been properly intialized (we actually return the block number + 1
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
379 // because otherwise it would clash with EFFS_OK return code). If no inodes
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
380 // block is found or another error occurs, we return the error code.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
381 bref_t blocks_fsck(void)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
382 {
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
383 bref_t b, b_to_clean, b_inode_lost;
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
384 int age_valid;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
385 age_t age_min, age_max, age_dist, age_dist_min, age_dist_max;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
386 struct block_header_s *bhp;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
387 struct block_header_old_s *obhp;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
388
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
389 ttw(str(TTrInitLow, "blocks_fsck {" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
390 tw(tr(TR_BEGIN, TrFsck, "blocks_fsck() {\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
391
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
392 // initialize ages to the illegal/unset value
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
393 age_min = age_max = age_dist = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
394
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
395 fs.format = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
396 fs.inodes = -1;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
397 fs.newinodes = -1;
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
398 b_inode_lost = -1;
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
399 b_to_clean = EFFS_OK;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
400
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
401 for (b = 0; b < dev.numblocks; b++)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
402 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
403 tlw(led_toggle(LED_DRV_INIT));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
404
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
405 // read block flags from flash
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
406 bhp = (struct block_header_s *) offset2addr(dev.binfo[b].offset);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
407 obhp = (struct block_header_old_s *) bhp;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
408
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
409 bstat[b].used = dev.blocksize;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
410 bstat[b].lost = bstat[b].used;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
411 bstat[b].flags = bhp->flags;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
412 bstat[b].objects = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
413
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
414 age_valid = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
415
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
416 if (bhp->magic_low != BLOCK_MAGIC_LOW ||
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
417 bhp->magic_high != BLOCK_MAGIC_HIGH) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
418 // The block magic as bad! It *could* be because the flash
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
419 // memory map is incorrect or because another application has
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
420 // spuriously written to the flash or ... who knows what. First
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
421 // we check to see if the reason is that we are dealing with a
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
422 // (really) old ffs format version.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
423 if (obhp->magic_low == OLD_BLOCK_MAGIC_LOW &&
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
424 obhp->magic_high == OLD_FFS_FORMAT_VERSION) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
425 tw(tr(TR_FUNC, TrFsck, "OLD "));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
426 fs.format = obhp->magic_high;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
427 // We simulate that all the blocks are data blocks, in order
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
428 // to have some well-defined state that preformat() can work
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
429 // on. Later we will return EFFS_BADFORMAT and otherwise
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
430 // leave everything as it is, *without* modifying anything!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
431 bstat[b].flags = BF_IS_DATA;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
432 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
433 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
434 // Quickly test if block is in empty state. We do not make a
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
435 // full check with block_used() because that takes too
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
436 // long --- we let preformat() do that.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
437 if (bhp->magic_low == FLASH_NULL16 &&
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
438 bhp->magic_high == FLASH_NULL16 &&
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
439 bhp->age == FLASH_NULL16 &&
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
440 bhp->version == FLASH_NULL16 &&
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
441 bhp->flags == FLASH_NULL16)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
442 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
443 bstat[b].used = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
444 bstat[b].lost = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
445 bstat[b].flags = BF_IS_EMPTY;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
446 tw(tr(TR_FUNC, TrFsck, "EMPTY "));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
447 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
448 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
449 // If the block is not free, it is probably corrupted.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
450 // Thus we reset its age and free it.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
451 tw(tr(TR_FUNC, TrFsck, "magic = 0x%08x\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
452 bhp->magic_low | (bhp->magic_high << 16)));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
453 ffsdrv.write_halfword(&bhp->age, 0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
454 block_free(b);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
455 tw(tr(TR_FUNC, TrFsck, "BAD "));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
456 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
457 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
458 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
459 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
460 fs.format = bhp->version;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
461 age_valid = 1;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
462
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
463 if (!is_block(b, BF_IS_FREE)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
464 bstat[b].used = block_used(b);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
465 bstat[b].lost = bstat[b].used - BHEADER_SIZE;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
466 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
467
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
468 if (is_block(b, BF_IS_FREE)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
469 // The only case where we do not call block_used() is
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
470 // when the block is truly free.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
471 bstat[b].used = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
472 bstat[b].lost = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
473 tw(tr(TR_FUNC, TrFsck, "FREE "));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
474 ttw(ttr(TTrInitLow, "FREE" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
475
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
476 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
477 else if (is_block(b, BF_IS_DATA)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
478 tw(tr(TR_FUNC, TrFsck, "DATA "));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
479 ttw(ttr(TTrInitLow, "DATA" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
480 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
481 else if (is_block(b, BF_IS_CLEANING)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
482 // Here we schedule a block_clean(). Note that we can
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
483 // and do not execute the block cleaning now, as the info
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
484 // that block_clean() needs is not at all ready at this
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
485 // point in the initialization. So we set a flag and then
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
486 // clean the block at the end of ffs_initialize()
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
487 tw(tr(TR_FUNC, TrFsck, "CLEANING "));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
488 ttw(ttr(TTrInitLow, "CLEANING" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
489 b_to_clean = b + 1;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
490 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
491 else if (is_block(b, BF_IS_COPYING)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
492 tw(tr(TR_FUNC, TrFsck, "COPYING "));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
493 ttw(ttr(TTrInitLow, "COPYING" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
494 fs.newinodes = b;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
495 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
496 else if (is_block(b, BF_IS_INODES)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
497 tw(tr(TR_FUNC, TrFsck, "INODES "));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
498 ttw(ttr(TTrInitLow, "INODES" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
499 fs.inodes = b;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
500 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
501 else if (is_block(b, BF_IS_INODES_LOST)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
502 tw(tr(TR_FUNC, TrFsck, "INODESLOST"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
503 ttw(ttr(TTrInitLow, "INODESLOST" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
504 b_inode_lost = b;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
505 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
506 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
507 block_free(b);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
508 tw(tr(TR_FUNC, TrFsck, "INVALID "));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
509 ttw(ttr(TTrInitLow, "INVALID" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
510 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
511 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
512
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
513 tw(tr(TR_NULL, TrFsck, " %2d: (0x%05x) %02x, used = %6d\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
514 b, dev.binfo[b].offset, bstat[b].flags & 0xFF, bstat[b].used));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
515
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
516 if (age_valid) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
517 if (age_min == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
518 // Initialize minimum and maximum block ages
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
519 age_min = age_max = bhp->age;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
520 tw(tr(TR_FUNC, TrFsckLow, "age_min/max = %d\n", age_min));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
521 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
522 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
523 age_dist_min = age_distance(bhp->age, age_min);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
524 age_dist_max = age_distance(bhp->age, age_max);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
525 if (age_dist_min > age_dist ||
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
526 age_dist_max > age_dist) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
527 if (age_dist_max > age_dist_min) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
528 age_dist = age_dist_max;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
529 age_min = bhp->age;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
530 tw(tr(TR_FUNC, TrFsckLow, "age_min = %d (dist = %d)\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
531 age_min, age_dist));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
532 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
533 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
534 age_dist = age_dist_min;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
535 age_max = bhp->age;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
536 tw(tr(TR_FUNC, TrFsckLow, "age_max = %d (dist = %d)\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
537 age_max, age_dist));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
538 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
539 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
540 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
541 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
542 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
543 tlw(led_off(LED_DRV_INIT));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
544 tw(tr(TR_FUNC, TrFsck, "age min, max, max-min = %d, %d, %d\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
545 age_min, age_max, (uint16) (age_max-age_min)));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
546 // If age_max is untouched is is because all blocks were in the 'Empty'
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
547 // state. In this case we let the age be as it is (0xFFFF).
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
548 if (age_max == 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
549 age_max = age_min = BLOCK_AGE_MAX;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
550
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
551 // Handle age wrap around thus ensuring fs.age_max is set correctly. We
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
552 // have to type-cast the whole computation, otherwise it will be
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
553 // incorrect.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
554 if ((age_t) (age_max - age_min) > 0x8000) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
555 age_dist = age_max;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
556 age_max = age_min;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
557 age_min = age_dist;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
558 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
559
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
560 // save maximum age found for the case of a bad block that is going to
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
561 // be reclaimed later on by blocks_reclaim()
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
562 fs.age_max = age_max;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
563
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
564 tw(tr(TR_FUNC, TrFsck, "fs.format = 0x%04x\n", fs.format));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
565 tw(tr(TR_FUNC, TrFsck, "fs.inodes, newinodes = %d, %d\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
566 fs.inodes, fs.newinodes));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
567 ttw(ttr(TTrInit, "fs.inodes, newinodes = %d, %d" NL,
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
568 fs.inodes, fs.newinodes));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
569 tw(tr(TR_FUNC, TrFsck, "age min, max = %d, %d\n", age_min, age_max));
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
570
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
571 // If any blocks were in the EMPTY state, now is the time to bring them
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
572 // into the FREE state. Note that we must only do this *after*
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
573 // fs.age_max has been initialized.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
574 for (b = 0; b < dev.numblocks; b++) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
575 if (is_block(b, BF_IS_EMPTY)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
576 if ((bstat[b].used = block_used(b)) == 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
577 block_preformat(b, 0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
578 else
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
579 block_free(b);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
580 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
581 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
582
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
583 if (fs.inodes >= 0) {
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
584 // The 'old' inode block is still valid thus we keep it.
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
585 if (fs.newinodes >= 0)
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
586 // The copying of inodes to the new block was not finished thus
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
587 // we free the block
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
588 block_free(fs.newinodes);
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
589 inodes_set(fs.inodes);
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
590 }
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
591 else {
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
592 // Copying must have been finished
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
593 if (fs.newinodes >= 0 && b_inode_lost >= 0) {
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
594 // The inode reclaim did finish but currently there is no valid
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
595 // inode block thus the operation must be finished by committing
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
596 // the new block as the valid inode block.
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
597 fs.inodes = b_inode_lost;
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
598 block_commit();
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
599 }
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
600 else {
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
601 // No old or new Inode block!
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
602 tw(tr(TR_END, TrFsck, "} %d\n", EFFS_NOFORMAT));
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
603 ttw(ttr(TTrInitLow, "} %d" NL, EFFS_NOFORMAT));
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
604 return EFFS_NOFORMAT;
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
605 }
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
606 }
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
607
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
608 if ((fs.format >> 8) != (FFS_FORMAT_VERSION >> 8)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
609 tw(tr(TR_END, TrFsck, "} %d\n", EFFS_BADFORMAT));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
610 ttw(ttr(TTrInitLow, "} %d" NL, EFFS_BADFORMAT));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
611 return EFFS_BADFORMAT;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
612 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
613
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
614 // FIXME: Insert age sanity check; age distance must not be too big (> 2
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
615 // * FFS_AGE_DISTANCE)?
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
616
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
617 tw(tr(TR_END, TrFsck, "} %d\n", b_to_clean));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
618 ttw(ttr(TTrInitLow, "} %d" NL, b_to_clean));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
619
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
620 return b_to_clean;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
621 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
622
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
623 // Set fs.inodes and fs.inodes_addr
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
624 void inodes_set(iref_t i)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
625 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
626 fs.inodes = i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
627 fs.inodes_addr = (struct inode_s *)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
628 (offset2addr(dev.binfo[fs.inodes].offset)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
629 + dev.atomsize - sizeof(struct inode_s));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
630 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
631
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
632
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
633 /******************************************************************************
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
634 * inodes_fsck()
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
635 ******************************************************************************/
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
636
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
637 // Now for each inode in the inodes block, update the bstat array
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
638 // information: free, used, objects. Also, locate the root inode. We could
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
639 // optimize this a little, because bstat[binodes].used gives an inidication
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
640 // of how many inodes are actually present in the system.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
641 iref_t inodes_fsck(void)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
642 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
643 iref_t i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
644 struct inode_s *ip;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
645 char *addr;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
646 bref_t block;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
647
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
648 ttw(str(TTrInitLow, "inodes_fsck {" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
649 tw(tr(TR_BEGIN, TrFsck, "inodes_fsck() {\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
650 tw(tr(TR_FUNC, TrFsck, "inodes in block %d:\n", fs.inodes));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
651
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
652 // the fields of the bstat entry for the inodes have the meaning:
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
653 // used = total number of used inodes (valid, erased, invalid)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
654 // lost = total number of lost inodes (erased, invalid)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
655 // objects = index of first free inode (used by inode_alloc())
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
656
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
657 fs.root = 0; // default to root inode not found
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
658 fs.ijournal = 0; // default to journal file inode not found
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
659 bstat[fs.inodes].objects = 1;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
660 bstat[fs.inodes].used = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
661 bstat[fs.inodes].lost = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
662 fs.sequence = 0; // just for debug (fun)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
663
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
664 // we must set some default value for this, so we set it to max possible!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
665 fs.inodes_max = dev.blocksize / sizeof(struct inode_s);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
666
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
667 ip = inode_addr(1);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
668 tw(tr(TR_FUNC, TrFsck, " i addr cld sib seq upd flag size name\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
669 for (i = 1; i < fs.inodes_max; i++, ip++)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
670 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
671 // just for debug (fun)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
672 if (ip->sequence > fs.sequence)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
673 fs.sequence = ip->sequence;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
674
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
675 // compute block index and total data space occupied
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
676 block = offset2block(location2offset(ip->location));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
677
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
678 // Only scan used inodes. blocks_fsck() accounted all used space as
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
679 // also being lost space, so now we subtract from the lost space,
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
680 // the space used by valid objects
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
681 if (ip->location != FLASH_NULL32)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
682 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
683 bstat[fs.inodes].used++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
684
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
685 tw(tr(TR_FUNC, TrFsck, "%3d 0x%05X %3d %3d %4d %3d %s%s%s%s%s%s %6d %s\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
686 i,
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
687 location2offset(ip->location),
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
688 ip->child, ip->sibling,
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
689 ip->sequence, ip->updates,
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
690 is_object(ip, OT_DIR) ? "d" : "",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
691 is_object(ip, OT_LINK) ? "l" : "",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
692 is_object(ip, OT_FILE) ? "f" : "",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
693 is_object(ip, OT_SEGMENT) ? "s" : "",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
694 is_object(ip, OT_ERASED) ? " " : "",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
695 IS_BIT_SET(ip->flags, OF_READONLY) && !is_object(ip, OT_ERASED) ?
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
696 "r" : " ",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
697 ip->size,
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
698 // Erased chunks do not have any name so we can not trace erased objects!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
699 (ip->size && !is_object(ip, OT_SEGMENT) && !is_object(ip, OT_ERASED) ?
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
700 addr2name(offset2addr(location2offset(ip->location))) : "")
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
701 ));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
702
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
703 if (is_object_valid(ip)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
704 // This inode is valid, so we account the data space as used
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
705 // and the inode as used too.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
706 bstat[block].lost -= ip->size;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
707 bstat[block].objects++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
708 // test if this is the root inode. store index if it is.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
709 if (!is_object(ip, OT_SEGMENT)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
710 addr = addr2name(offset2addr(location2offset(ip->location)));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
711 if (*addr == '/')
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
712 fs.root = i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
713 else if (*addr == '.' &&
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
714 ffs_strcmp(addr, FFS_JOURNAL_NAME) == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
715 fs.ijournal = i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
716 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
717 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
718 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
719 else if (is_object(ip, OT_ERASED)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
720 // this inode's data is deleted, so we account the data
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
721 // space as used and lost and the inode as lost too.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
722 bstat[fs.inodes].lost++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
723 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
724 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
725 // This is an invalid object, so we account the data space
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
726 // as used and lost and the inode as lost too. NOTEME: error
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
727 // what should we do? Perhaps we should record semi-lost
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
728 // inodes? Can we safely account for it here if this is an
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
729 // object to be recovered because another inode.copied is
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
730 // referring to this? Will used/lost etc. be updated
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
731 // correctly then?
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
732 bstat[fs.inodes].lost++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
733 tw(tr(TR_NULL, TrFsck, "(invalid = %d)\n", ip->flags & OT_MASK));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
734 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
735 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
736 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
737 ttw(ttr(TTrInit, "fs.root=%d, journal=%d" NL, fs.root, fs.ijournal));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
738 tw(tr(TR_END, TrFsck, "} used: %d, lost: %d, root: %d, journal: %d\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
739 bstat[fs.inodes].used, bstat[fs.inodes].lost, fs.root, fs.ijournal));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
740
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
741 fs.sequence++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
742
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
743 tw(tr_bstat());
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
744
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
745 if (fs.root == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
746 ttw(ttr(TTrInitLow, "} %d" NL, EFFS_NOFORMAT));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
747 return EFFS_NOFORMAT;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
748 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
749
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
750 ttw(str(TTrInitLow, "} 0" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
751
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
752 return EFFS_OK;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
753 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
754
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
755
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
756 /******************************************************************************
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
757 * Preformat and format
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
758 ******************************************************************************/
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
759
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
760 // Prepare all blocks for fs_format(). Because ffs_is_formattable() has
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
761 // already been called prior to this function, we know that no sector erase
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
762 // is in progress! The blocks are prepared by putting them into the 'Free'
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
763 // state.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
764 effs_t fs_preformat(void)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
765 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
766 bref_t b;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
767
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
768 ttw(str(TTrFormat, "preformat {" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
769 tw(tr(TR_BEGIN, TrFormat, "fs_preformat() {\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
770
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
771 // Mark ffs as being non-formatted from now on.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
772 fs.root = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
773
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
774 // We must initialize bstat[fs.inodes].used and inodes_high, such that
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
775 // inodes_reclaim() isn't triggered in reclaim() on the following
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
776 // fs_format().
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
777 inodes_set(0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
778 bstat[fs.inodes].used = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
779 bstat[fs.inodes].lost = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
780 bstat[fs.inodes].objects = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
781
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
782 // While format is in progress, we make FFS inaccessible to other
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
783 // functions...
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
784 fs.initerror = EFFS_NOFORMAT;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
785
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
786 if (dev.manufact == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
787 b = EFFS_NODEVICE;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
788 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
789 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
790 for (b = 0; b < dev.numblocks; b++) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
791 if (is_block(b, BF_IS_EMPTY)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
792 if ((bstat[b].used = block_used(b)) == 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
793 block_preformat(b, 0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
794 else
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
795 block_free(b);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
796 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
797 else if (!is_block(b, BF_IS_FREE)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
798 block_free(b);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
799 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
800 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
801 b = EFFS_OK;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
802 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
803
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
804 tw(tr(TR_END, TrFormat, "} %d\n", b));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
805 ttw(ttr(TTrFormat, "} %d" NL, b));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
806
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
807 return b;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
808 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
809
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
810 // Preformat a single block thus taking it from the 'Empty' state into
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
811 // 'Free' state.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
812 void block_preformat(bref_t b, age_t age)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
813 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
814 int set_age_max;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
815 struct block_header_s *bhp =
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
816 (struct block_header_s *) offset2addr(dev.binfo[b].offset);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
817
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
818 tw(tr(TR_BEGIN, TrFormat, "fs_block_preformat(%d, %d)\n", b, age));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
819
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
820 if (age == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
821 age = fs.age_max;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
822 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
823 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
824 // We schedule an update of fs.age_max. Due to proper handling of
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
825 // age wrap-around, we can not actually set it now.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
826 set_age_max = (age == fs.age_max);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
827 age++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
828 if (age == 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
829 age++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
830 if (set_age_max) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
831 fs.age_max = age;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
832 tw(tr(TR_FUNC, TrFormat, "new fs.age_max = %d\n", fs.age_max));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
833 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
834 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
835
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
836 ffsdrv.write_halfword(&bhp->age, age);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
837 ffsdrv.write_halfword(&bhp->version, FFS_FORMAT_VERSION);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
838 ffsdrv.write_halfword(&bhp->magic_low, BLOCK_MAGIC_LOW);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
839 ffsdrv.write_halfword(&bhp->magic_high, BLOCK_MAGIC_HIGH);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
840
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
841 bstat[b].flags = BF_IS_EMPTY;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
842 bstat[b].used = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
843 bstat[b].lost = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
844 bstat[b].objects = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
845
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
846 block_flags_write(b, BF_FREE);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
847
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
848 tw(tr(TR_END, TrFormat, ""));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
849 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
850
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
851 // After preformat() has erased two blocks, this function can be called to
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
852 // initialize ffs by writing fs data and metadata. Note that ffs_begin() is
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
853 // *not* called before this function in ffs.c. Otherwise we would never
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
854 // enter this function because fs.root is zero. NOTEME: this is also a bug
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
855 // as this means we risk that this operation is started while an erase (or a
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
856 // write) is in progress! How the flash device reacts to this is currently
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
857 // unknown.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
858 effs_t fs_format(const char *name)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
859 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
860 bref_t i, b;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
861
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
862 ttw(str(TTrFormat, "format {" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
863 tw(tr(TR_BEGIN, TrFormat, "fs_format('%s') {\n", name));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
864
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
865 // Initialize file system parameters. It should be safe to change these
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
866 // now, as the format cannot fail at this point onwards.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
867 fs_params_init(name);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
868
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
869 // Make the first block be the inodes block
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
870 if ((fs.inodes = block_alloc(1, BF_COPYING)) < 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
871 return EFFS_AGAIN;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
872 block_flags_write(fs.inodes, BF_INODES);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
873 inodes_set(fs.inodes);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
874
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
875 // Make all block as data blocks except from the free_min and inode block
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
876 for (i = 0; i < dev.numblocks - fs.blocks_free_min - 1; i++)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
877 if ((b = block_alloc(0, BF_DATA)) < 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
878 return EFFS_AGAIN;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
879
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
880 // Restart object sequencing (debug feature only)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
881 fs.sequence = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
882
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
883 // Create root directory
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
884 journal_begin(0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
885 if ((fs.root = object_create(name, 0, 0, 0)) < 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
886 tw(tr(TR_END, TrFormat, "} %d\n", fs.root));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
887 return fs.root;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
888 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
889 journal_commit(OT_DIR);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
890
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
891 if ((fs.ijournal = journal_create(0)) < 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
892 tw(tr(TR_END, TrFormat, "} %d\n", fs.ijournal));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
893 return fs.ijournal;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
894 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
895
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
896 fs.initerror = ffs_initialize();
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
897
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
898 ttw(ttr(TTrFormat, "} %d" NL, fs.initerror));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
899 tw(tr(TR_END, TrFormat, "} %d\n", fs.initerror));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
900
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
901 return fs.initerror;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
902 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
903
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
904 // Check if we are ready to preformat (flag = 0) or format (flag = 1)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
905 //
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
906 // For a format, we must first ensure no blocks are valid e.g. a preformat
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
907 // has already been run. Next, we must ensure we have preformatted all
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
908 // blocks e.g. all blocks are in the 'Free' state. This is actually the same
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
909 // thing but it sure helps the user because it yields a more precise error
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
910 // code when the format fails. In future we might be able to start a format
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
911 // when only two blocks have been preformatted, but this is harder because
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
912 // we have to make sure not to read from the physical sector that we are
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
913 // erasing, and this is exactly what ffs_ffs_initialize() currently does
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
914 // (when it is called at the end of format()).
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
915 //
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
916 // For a preformat, we must ensure an erase is not in progress (because we
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
917 // don't know how the device will react to a new erase when an erase is
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
918 // currently suspended).
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
919 effs_t is_formattable(int8 flag)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
920 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
921 bref_t i, free, valid;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
922 effs_t error = EFFS_OK;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
923
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
924 tw(tr(TR_FUNC, TrFormat, "is_formattable() "));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
925
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
926 // Count the number of valid and free blocks. These numbers will later
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
927 // be checked to see if we are really ready for a (pre)format(). Note
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
928 // that we *only* read block flags from the bstat[] array. We must not
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
929 // read directly from the flash sectors because an erase might be in
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
930 // progress!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
931 for (i = 0, free = 0, valid = 0; i < dev.numblocks; i++) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
932 if (is_block(i, BF_IS_DATA) || is_block(i, BF_IS_INODES))
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
933 valid++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
934 if (is_block(i, BF_IS_FREE))
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
935 free++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
936 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
937 if (flag == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
938 // In the case of a preformat, ensure an erase is not in
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
939 // progress (because we don't know how the device will react to a new
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
940 // erase when an erase is currently suspended).
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
941 if (dev.state == DEV_ERASE || dev.state == DEV_ERASE_SUSPEND) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
942 tw(tr(TR_NULL, TrFormat, "(%d)\n", EFFS_AGAIN));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
943 return EFFS_AGAIN;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
944 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
945 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
946 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
947 if (valid > 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
948 // Ensure we have preformatted prior to a format.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
949 error = EFFS_NOPREFORMAT;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
950 else if (free < dev.numblocks)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
951 // Ensure all blocks are free before a format(). If not, a
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
952 // preformat() is currently in progress.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
953 error = EFFS_AGAIN;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
954 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
955
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
956 tw(tr(TR_NULL, TrFormat, "(%d)\n", error));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
957 return error;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
958 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
959
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
960
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
961 /******************************************************************************
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
962 * Journalling
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
963 ******************************************************************************/
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
964
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
965 // The following matrix illustrates how the members of an inode change for
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
966 // the various (journalled) operations:
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
967 //
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
968 // | flags | size | loc | child | siblg | dir | oldi | updates
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
969 // ---------+-------+------+-----+-------+-------+-----+------+--------
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
970 // create | new | new | new | - | - | ins | n/a | 0
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
971 // fupdate | o | new | new | o | - | ins | del | old+1
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
972 // relocate | o | o | new | o | - | ins | del | old+1
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
973 // fctrl | new | o | o | o | - | ins | del | old+1
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
974 // remove | n/a | n/a | n/a | n/a | n/a | n/a | del | n/a
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
975 //
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
976 // - = leave empty (0xFFFF)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
977 // ins = insert/append into directory
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
978 // o = old value
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
979 //
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
980 // We don't have to store child member in the journal entry because either
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
981 // it is EMPTY (fs.journal.oldi = 0) or it is retrieved from oldip->child.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
982
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
983 // NOTEME: With journalling implemented, object_relocate might be able just
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
984 // to make a simple data copy!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
985
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
986 // block_clean() is safe (without journalling), now that only ip->size is
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
987 // set to zero.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
988
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
989 // Begin a new journal. Either a fresh object create (oldi == 0) or an
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
990 // update of an existing object (oldi == iref of old object)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
991 void journal_begin(iref_t oldi)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
992 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
993 tw(tr(TR_FUNC, TrJournal, "journal_begin(%d)\n", oldi));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
994
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
995 fs.journal.i = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
996 fs.journal.state = JOURNAL_IS_EMPTY;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
997 fs.journal.repli = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
998 fs.link_child = 1; //Default link child in journal_commit()
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
999
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1000 if (oldi == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1001 fs.journal.flags = 0xFF;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1002 fs.journal.diri = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1003 fs.journal.oldi = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1004 fs.journal.location = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1005 fs.journal.size = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1006 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1007 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1008 struct inode_s *oldip = inode_addr(oldi);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1009 fs.journal.flags = oldip->flags;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1010 fs.journal.diri = oldi;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1011 fs.journal.oldi = oldi;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1012 fs.journal.location = oldip->location;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1013 fs.journal.size = oldip->size;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1014 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1015 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1016
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1017 // NOTEME: We have compressed the macro code because it will NOT compile on
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1018 // Unix otherwise. So until we find out why, we use this as a work-around.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1019 #if (FFS_TEST == 1)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1020 #define JOURNAL_TEST(testcase, text) if (fs.testflags == testcase) { tw(tr(TR_END, TrJournal, "} (" text ")\n")); return; }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1021 #else
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1022 #define JOURNAL_TEST(testcase, text)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1023 #endif
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1024
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1025 // NOTEME: Should we empty journal file when we are anyway relocating it in
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1026 // data_reclaim()?
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1027 void journal_end(uint8 type)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1028 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1029 struct inode_s *ip = inode_addr(fs.ijournal);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1030 struct journal_s *addr = (struct journal_s *)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1031 offset2addr(location2offset(ip->location) + fs.journal_pos);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1032
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1033 tw(tr(TR_BEGIN, TrJournal, "journal_end(0x%x) {\n", type));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1034 tw(tr(TR_FUNC, TrJournal, "journal_pos = 0x%04x (%d)\n", fs.journal_pos,
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1035 (fs.journal_pos - JOURNAL_POS_INITIAL) / sizeof(struct journal_s)));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1036
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1037 // If this is a create, set the object type
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1038 if (type != 0 && fs.journal.oldi == 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1039 fs.journal.flags = (fs.journal.flags & OF_MASK) | type;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1040
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1041 // If there is no journal file, we can do without it, although we
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1042 // certainly don't like it!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1043 if (fs.ijournal == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1044 journal_commit(0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1045 tw(tr(TR_END, TrJournal, "} No jounal file\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1046 return;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1047 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1048
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1049 JOURNAL_TEST(JOURNAL_TEST_EMPTY, "Oops in JOURNAL_IS_EMPTY");
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1050
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1051 // Write RAM journal to journal file.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1052 if (fs.journal.state == (uint8) JOURNAL_IS_EMPTY) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1053 fs.journal.state = JOURNAL_IS_WRITING;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1054 ffsdrv.write(addr, &fs.journal, sizeof(fs.journal));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1055 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1056
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1057 JOURNAL_TEST(JOURNAL_TEST_WRITING, "Oops in JOURNAL_IS_WRITING");
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1058
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1059 // Advance journal file's state
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1060 if (fs.journal.state == (uint8) JOURNAL_IS_WRITING) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1061 fs.journal.state = JOURNAL_IS_READY;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1062 ffsdrv_write_byte(&addr->state, fs.journal.state);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1063 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1064
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1065 JOURNAL_TEST(JOURNAL_TEST_READY, "Oops in JOURNAL_IS_READY");
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1066
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1067 journal_commit(0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1068
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1069 JOURNAL_TEST(JOURNAL_TEST_COMMITTING, "Oops in JOURNAL_TEST_COMMITTING");
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1070 JOURNAL_TEST(JOURNAL_TEST_COMMITTED, "Oops in JOURNAL_COMMITTED");
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1071
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1072 // Advance journal file's state
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1073 ffsdrv_write_byte(&addr->state, JOURNAL_IS_DONE);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1074
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1075 JOURNAL_TEST(JOURNAL_TEST_DONE, "Oops in JOURNAL_IS_DONE");
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1076
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1077 // Advance journal
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1078 fs.journal_pos += sizeof(struct journal_s);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1079
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1080 // Unless we are currently relocating the journal file itself, check if
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1081 // journal file is near full and relocate it if it is.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1082 if (fs.journal_pos >= fs.journal_size - FFS_JOURNAL_MARGIN *
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
1083 sizeof(struct journal_s) && fs.journal.oldi != fs.ijournal) {
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1084 tw(tr(TR_FUNC, TrJournal, "Journal file (near) full!\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1085 journal_create(fs.ijournal);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1086 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1087
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1088 // Check if we have just committed the journal file itself
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1089 if (fs.journal.oldi == fs.ijournal) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1090 fs.journal_pos = JOURNAL_POS_INITIAL;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1091 fs.ijournal = fs.journal.i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1092 tw(tr(TR_FUNC, TrJournal, "Journal file re-created, fs.ijournal = %d\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1093 fs.ijournal));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1094 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1095 tw(tr(TR_END, TrJournal, "}\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1096 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1097
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1098 // Write contents of fs.journal to FFS meta data (inodes). Note that we do
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1099 // NOT traverse ip->copied as we used to do in the old
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1100 // object_update_commit(). Also, we do not check if object has been
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1101 // erased after traversing ip->copied. All this code has been removed
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1102 // because we will very soon have full callback functionality and thus the
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1103 // code is redundant.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1104 void journal_commit(uint8 type)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1105 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1106 struct inode_s *ip = inode_addr(fs.journal.i);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1107 struct inode_s *oldip = inode_addr(fs.journal.oldi);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1108 struct inode_s *dp;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1109 bref_t b;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1110
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1111 tw(tr(TR_BEGIN, TrJournal, "journal_commit(%d) {\n", type));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1112 tw(tr(TR_FUNC, TrJournal, "i = %d\n", fs.journal.i));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1113 ttw(ttr(TTrObj, "jc(){" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1114
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1115 if (fs.journal.i)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1116 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1117 // If this is a create, set the object type
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1118 if (type != 0 && fs.journal.oldi == 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1119 fs.journal.flags = (fs.journal.flags & OF_MASK) | type;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1120
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1121 tw(tr(TR_FUNC, TrJournal, "loc = 0x%04x, size = %d\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1122 fs.journal.location, fs.journal.size));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1123 ffsdrv.write((uint32 *) &ip->location, (uint32 *) &fs.journal.location, sizeof(location_t));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1124 ffsdrv.write_halfword((uint16 *) &ip->size, fs.journal.size);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1125
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1126 if (fs.journal.oldi != 0 && fs.link_child != 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1127 // If this is an update, we copy the child member from old
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1128 // inode. We must do this before we validate the new object,
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1129 // otherwise an intermediate readdir() will detect an empty
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1130 // directory!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1131 ffsdrv.write_halfword((uint16*) &ip->child, oldip->child);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1132
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1133 tw(tr(TR_FUNC, TrJournal, "seq = %d\n", fs.sequence));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1134 // We must check if sequence is already written because if this
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1135 // commit was inititiated by journal_init(), we don't know exactly
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1136 // what was written
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1137 if (ip->sequence == FLASH_NULL16)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1138 ffsdrv.write_halfword(&ip->sequence, fs.sequence++);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1139 if (fs.journal.oldi == 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1140 ffsdrv.write_halfword(&ip->updates, 0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1141 else
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1142 ffsdrv.write_halfword(&ip->updates, oldip->updates + 1);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1143
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1144 JOURNAL_TEST(JOURNAL_TEST_COMMITTING, "Oops in JOURNAL_TEST_COMMITTING")
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1145
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1146 // Insert object into directory structure. We must do this before
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1147 // deleting old object, otherwise an intermediate readdir() will
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1148 // fail with EFFS_NOTFOUND. Note that when the root directory is
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1149 // created, fs.journal.diri is zero --- thus the test!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1150 if (fs.journal.diri != 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1151 tw(tr(TR_FUNC, TrJournal, "diri = %d ", fs.journal.diri));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1152 if (fs.journal.diri < 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1153 tw(tr(TR_NULL, TrJournal, "child\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1154 dp = inode_addr(-fs.journal.diri);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1155 ffsdrv.write_halfword((uint16 *) &dp->child, fs.journal.i);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1156 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1157 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1158 tw(tr(TR_NULL, TrJournal, "sibling\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1159 dp = inode_addr(fs.journal.diri);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1160 ffsdrv.write_halfword((uint16 *) &dp->sibling, fs.journal.i);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1161 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1162 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1163
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1164 // The new object is validated before the old object is deleted.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1165 // This is in order to avoid an interrupting stat or read operation
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1166 // to fail with EFFS_NOTFOUND
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1167 tw(tr(TR_FUNC, TrJournal, "flags = 0x%02x\n", fs.journal.flags));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1168 ffsdrv_write_byte(&ip->flags, fs.journal.flags);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1169
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1170 // Update bstat[] appropriately
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1171 b = offset2block(location2offset(ip->location));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1172 bstat[b].objects++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1173 tw(tr(TR_FUNC, TrJournal, "bstat[%d].objects = %d\n", b, bstat[b].objects));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1174 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1175
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1176 tw(tr(TR_FUNC, TrJournal, "oldi = %d\n", fs.journal.oldi));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1177 if (fs.journal.oldi != 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1178 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1179 // If this is an update or an erase, we erase the old object
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1180 ffsdrv_write_byte(&oldip->flags, OT_ERASED);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1181
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1182 // Update bstat according to deletion of the old object.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1183 b = offset2block(location2offset(oldip->location));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1184 bstat[b].objects--;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1185 tw(tr(TR_FUNC, TrJournal, "bstat[%d].objects = %d\n", b, bstat[b].objects));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1186
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1187 // If we moved the data (all cases, except fcontrol), update lost
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1188 if (fs.journal.location != oldip->location)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1189 bstat[b].lost += oldip->size;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1190
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1191 bstat[fs.inodes].lost++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1192
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1193 // If we renamed a file to an existing filename, remove the replaced file.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1194 if (fs.journal.repli > 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1195 object_remove(fs.journal.repli); // Ignore error!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1196 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1197
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1198 tw(tr(TR_END, TrJournal, "}\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1199 ttw(ttr(TTrObj, "}" NL));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1200 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1201
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1202 // Save the current journal into "old" journal. We need this because an
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1203 // object_create() can call data_reclaim() which can call object_relocate()
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1204 // which uses the journal system.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1205 int journal_push(void)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1206 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1207 memcpy(&fs.ojournal, &fs.journal, sizeof(struct journal_s));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1208 fs.journal_depth++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1209 if (fs.journal_depth > 1) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1210 tw(tr(TR_FUNC, TrAll, "FATAL: journal_push() to depth %d\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1211 fs.journal_depth));
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
1212 return -1;
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
1213 }
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1214
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1215 tw(tr(TR_FUNC, TrJournal, "journal_push() to depth %d\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1216 fs.journal_depth));
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
1217
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
1218 return EFFS_OK;
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1219 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1220
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1221 // Recall "old" journal into current journal
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1222 int journal_pop(void)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1223 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1224 tw(tr(TR_FUNC, TrJournal, "journal_pop() from depth %d\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1225 fs.journal_depth));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1226
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1227 fs.journal_depth--;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1228 if (fs.journal_depth < 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1229 tw(tr(TR_FUNC, TrAll, "FATAL: journal_pop() to depth %d\n",
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1230 fs.journal_depth));
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
1231 return -1;
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1232 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1233 memcpy(&fs.journal, &fs.ojournal, sizeof(struct journal_s));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1234
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
1235 return EFFS_OK;
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1236 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1237
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1238 // Initialize the journalling system. Create journal file if it not already
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1239 // exist. Commit/write pending journal if such exists --- return 1 in that
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1240 // case. Otherwise, if journal file is clean (no journals pending) and all
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1241 // is fine, return EFFS_OK.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1242 effs_t journal_init(iref_t i)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1243 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1244 int j;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1245 struct inode_s *ip = inode_addr(i);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1246 struct journal_s *addr;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1247
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1248 if (i == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1249 // Journal file does not exist, so create it
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1250 if ((i = journal_create(0)) <= 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1251 fs.ijournal = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1252 return i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1253 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1254 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1255
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1256 fs.journal_depth = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1257 fs.journal_pos = JOURNAL_POS_INITIAL;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1258
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1259 addr = (struct journal_s *)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1260 offset2addr(location2offset(ip->location) + fs.journal_pos);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1261
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1262 tw(tr(TR_BEGIN, TrJournal, "journal_init(%d) {\n", i));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1263
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1264 fs.ijournal = i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1265
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1266 // Search for first non-completed journal entry.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1267 for (j = 0; /* FIXME: limit to end of journal */; j++, addr++) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1268 if (addr->state != (uint8) JOURNAL_IS_DONE)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1269 break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1270 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1271 tw(tr(TR_FUNC, TrJournal, "entry %d is in state 0x%x\n", j, addr->state));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1272
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1273 fs.journal_pos += j * sizeof(fs.journal);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1274 i = EFFS_OK;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1275
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1276 if (addr->state == (uint8) JOURNAL_IS_EMPTY) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1277 tw(tr(TR_FUNC, TrJournal, "Last journal is in EMPTY state\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1278 // Journal file is proper, so just record position
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1279 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1280 else if (addr->state == (uint8) JOURNAL_IS_READY) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1281 // Copy the entry into fs.journal.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1282 tw(tr(TR_FUNC, TrJournal, "Last journal is in READY state\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1283 memcpy(&fs.journal, addr, sizeof(fs.journal));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1284 journal_end(0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1285 i = 1;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1286 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1287 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1288 // Journal entry wasn't finished, so just ignore it after updating
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1289 // its state to JOURNAL_IS_DONE.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1290 tw(tr(TR_FUNC, TrJournal, "Last journal is between EMPTY and READY\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1291 ffsdrv_write_byte(&addr->state, JOURNAL_IS_DONE);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1292 fs.journal_pos += sizeof(fs.journal);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1293 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1294
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1295 if (ip->size != fs.journal_size + atomalign(sizeof(FFS_JOURNAL_NAME) + 1)) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1296 tw(tr(TR_FUNC, TrJournal, "Wrong journal size, create new\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1297 // Journal size do not match default size, so create new. This
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1298 // should only happen if we use an old FFS image with a newer FFS
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1299 // version.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1300 if ((i = journal_create(fs.ijournal)) <= 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1301 fs.ijournal = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1302 return i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1303 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1304 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1305
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1306 tw(tr(TR_FUNC, TrJournal, "journal_pos = 0x%04x\n", fs.journal_pos));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1307 tw(tr(TR_END, TrJournal, "} %d\n", i));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1308
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1309 return i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1310 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1311
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1312 // Create the journal file from scratch or relocate an existing one. It is
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1313 // marked read-only just for clarity --- it cannot be deleted anyway!
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1314 // fs_format() calls this function. Note that no data are written in
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1315 // object_create() because the journal file is handled specially in that
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1316 // function.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1317 iref_t journal_create(iref_t oldi)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1318 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1319 iref_t i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1320
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1321 tw(tr(TR_BEGIN, TrJournal, "journal_create(%d) {\n", oldi));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1322 tw(tr(TR_FUNC, TrJournal, "journal file size = %d\n", fs.journal_size));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1323
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1324 if (fs.journal_size == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1325 tw(tr(TR_FUNC, TrJournal, "Journal file creation aborted because fs.journal_size = 0 (No journal file wanted)\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1326 tw(tr(TR_END, TrJournal, "} %d\n", 0));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1327 return 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1328 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1329
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1330 // If we are working on a write-once file system, we do not need a
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1331 // journal.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1332 if (fs.blocks_free_min == 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1333 tw(tr(TR_FUNC, TrJournal, "Journal file creation aborted because fs.blocks_free_min = 0 (write-once system)\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1334 tw(tr(TR_END, TrJournal, "} %d\n", 0));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1335 return 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1336 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1337
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1338 journal_begin(oldi);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1339
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1340 i = object_create(FFS_JOURNAL_NAME, 0, fs.journal_size, -fs.root);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1341 if (i < 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1342 tw(tr(TR_END, TrJournal, "} %d\n", i));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1343 return i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1344 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1345 fs.journal.flags = BIT_SET(fs.journal.flags, OF_READONLY);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1346
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1347 // commit the creation or relocation
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1348 if (oldi != 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1349 journal_end(0);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1350 else {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1351 journal_commit(OT_FILE);
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1352 fs.journal_pos = JOURNAL_POS_INITIAL;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1353 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1354
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1355 tw(tr(TR_END, TrJournal, "} %d\n", i));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1356
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1357 return i;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1358 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1359
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1360 /******************************************************************************
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1361 * FFS Begin and End
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1362 ******************************************************************************/
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1363
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1364 // The following two functions should surround the code of every API
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1365 // function in ffs.c (except preformat and format). The functions
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1366 // ensures that the operation about to be executed can be made without
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1367 // race-conditions or other problems.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1368 #if (TARGET == 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1369 int debug_suspend = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1370 #endif
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1371
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1372
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1373 // Check if ffs has been initialized. Suspend an erase operation.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1374 effs_t ffs_begin(void)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1375 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1376 #if (TARGET == 0)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1377 if (debug_suspend > 0) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1378 tw(tr(TR_FUNC, TrAll, "FATAL: Previous erase_suspend was not resumed\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1379 return EFFS_CORRUPTED;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1380 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1381 // tw(tr(TR_FUNC, TrHelper, "Set debug_suspend\n"));
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1382 debug_suspend = 1;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1383 #endif
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1384
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1385 if (fs.initerror != EFFS_OK)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1386 return fs.initerror;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1387
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1388 // Suspend an erase in progress (only applicable if we are using a
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1389 // multi-bank device driver)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1390 if (dev.state == DEV_ERASE) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1391 ffsdrv.erase_suspend();
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1392 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1393 else if (dev.state == DEV_WRITE) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1394 ffsdrv.write_end();
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1395 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1396
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1397 return EFFS_OK;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1398 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1399
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1400 // Resume an erase operation that was in progress.
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1401 int ffs_end(int error)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1402 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1403 #if (TARGET == 1)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1404 // Resume an erase in progress (only applicable if we are using a
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1405 // multi-bank device driver)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1406 if (dev.state == DEV_ERASE_SUSPEND) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1407 ffsdrv.erase_resume();
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1408 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1409 #else
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1410 debug_suspend = 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1411 #endif
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1412
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1413 return error;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1414 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1415
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1416 /******************************************************************************
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1417 * FFS Statistics functions
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1418 ******************************************************************************/
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1419
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1420 // Not implemented:
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1421 int statistics_file_create(void)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1422 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1423 return 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1424 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1425
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1426 // Not implemented:
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1427 // Rewrite the statistics file if it exists. Otherwise return error
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1428 // code. The function is called after each data and inodes reclaim (after
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1429 // writing the file that provoked the reclaim).
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1430 int statistics_write(void)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1431 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1432 return 0;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1433 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1434
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1435 // Read the statistics file if it exists. Otherwise reset all statistics to
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1436 // zero and set the magic. This function is called from ffs_init().
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1437 void statistics_init(void)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1438 {
215
517dd86b45b1 gsm-fw/services/ffs: fsck.c compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 213
diff changeset
1439 memset(&stats, 0, sizeof(struct ffs_stats_s));
213
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1440 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1441
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1442 void statistics_update_drec(int valid, int lost, int candidate)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1443 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1444 unsigned int old;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1445
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1446 switch (candidate) {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1447 case MOST_LOST: stats.drec.most_lost++; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1448 case MOST_UNUSED: stats.drec.most_unused++; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1449 case YOUNGEST: stats.drec.youngest++; break;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1450 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1451
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1452 // Increment Most Significant Word if overflow is detected
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1453 old = stats.drec.valid[0];
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1454 stats.drec.valid[0] += valid;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1455 if (old > stats.drec.valid[0])
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1456 stats.drec.valid[1]++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1457
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1458 old = stats.drec.lost[0];
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1459 stats.drec.lost[0] += lost;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1460 if (old > stats.drec.lost[0])
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1461 stats.drec.lost[1]++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1462 }
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1463
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1464 void statistics_update_irec(int valid, int lost)
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1465 {
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1466 stats.irec.num++;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1467 stats.irec.valid += valid;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1468 stats.irec.lost += lost;
ef7d7da61c56 FFS code integration: remaining C files imported, but not yet integrated
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1469 }