/* * Copyright 1996-2002 Hans Reiser */ #include "fsck.h" #include #include #include "../include/config.h" #include "../version.h" extern int screen_width; extern int screen_savebuffer_len; extern char *screen_savebuffer; reiserfs_filsys_t * fs; char * badblocks_file; #define print_usage_and_exit() {\ fsck_progress ("Usage: %s [mode] [options] "\ " device\n"\ "\n"\ "Modes:\n"\ " --check\t\tconsistency checking (default)\n"\ " --fix-fixable\t\tfix corruptions which can be fixed w/o --rebuild-tree\n"\ " --rebuild-sb\t\tsuper block checking and rebuilding if needed\n"\ " \t\t\t(require rebuild-tree afterwards)\n"\ " --rebuild-tree\tforce fsck to rebuild filesystem from scratch\n"\ " \t\t\t(takes a long time)\n"\ " --clean-attributes\tclean garbage in reserved fields in StatDatas on fs\n"\ "Options:\n"\ " -j | --journal-device device\n"\ " \t\t\tspecify journal if relocated\n"\ " -l | --logfile logfile\n"\ " \t\t\tmake fsck to complain to specifed file\n"\ " -n | --nolog\t\tmake fsck to not complain\n"\ " -z | --adjust-file-size\n"\ " \t\t\tfix file sizes to real size\n"\ " \t\t\tlist of all bad blocks on the fs\n"\ " -q | --quiet\t\tno speed info\n"\ " -V\t\t\tprints version and exits\n"\ " -a and -p\t\tprint fs info and exits\n"\ " -f, -r and -y\t\tignored\n"\ "Expert options:\n"\ " --no-journal-available\n"\ " \t\t\tdo not open nor replay journal\n"\ " -S | --scan-whole-partition\n"\ " \t\t\tbuild tree of all blocks of the device\n", argv[0]);\ exit(16);\ } /* " -B badblocks-file\n"\ -B works with --fix-fixable fixes indirect pointers pointed to badblocks, adds badblocks to badblock list in fs. and with --rebuild builds the tree w/out pointers to badblocks (internal, indirect), adds badblocks to badblock list in fs. */ /* Hidden usage: Modes: " --rollback-fsck-changes\n\t\t\trollback all changes made by fsck\n"\ Options: " -b | --scan-marked-in-bitmap file\n"\ " \t\t\tbuild tree of blocks marked in the bitmapfile\n"\ " -R | --rollback-data file\n"\ " \t\t\tback up all changes to this file or rollback from this file\n"\ " \t\t\tpreviously backed up changes with --rollback-fsck-changes\n"\ " -d dumpfile\n\"\ " \t\t\tto test fsck pass by pass - dump into dumpfile all needed\n"\ " \t\t\tinfo for the next pass and load on the start of the next pass\n"\ " -i | --interactive\tmake fsck to stop after every stage\n"\ " -h | --hash hashname\n"\ " -g | --background\n"\ " -t \t\tdo test\n"\ */ /* fsck is called with one non-optional argument - file name of device containing reiserfs. This function parses other options, sets flags based on parsing and returns non-optional argument */ static char * parse_options (struct fsck_data * data, int argc, char * argv []) { int c; static int mode = FSCK_CHECK; static int flag; data->rebuild.scan_area = USED_BLOCKS; while (1) { static struct option options[] = { /* modes */ {"check", no_argument, &mode, FSCK_CHECK}, {"fix-fixable", no_argument, &mode, FSCK_FIX_FIXABLE}, {"rebuild-sb", no_argument, &mode, FSCK_SB}, {"rebuild-tree", no_argument, &mode, FSCK_REBUILD}, {"rollback-fsck-changes", no_argument, &mode, FSCK_ROLLBACK_CHANGES}, {"clean-attributes", no_argument, &mode, FSCK_CLEAN_ATTRIBUTES}, /* options */ {"logfile", required_argument, 0, 'l'}, {"interactive", no_argument, 0, 'i'}, {"adjust-file-size", no_argument, 0, 'z'}, {"quiet", no_argument, 0, 'q'}, {"nolog", no_argument, 0, 'n'}, /* if file exists ad reiserfs can be load of it - only blocks marked used in that bitmap will be read */ {"scan-marked-in-bitmap", required_argument, 0, 'b'}, {"create-passes-dump", required_argument, 0, 'd'}, /* all blocks will be read */ {"scan-whole-partition", no_argument, 0, 'S'}, /* useful for -S */ {"hash", required_argument, 0, 'h'}, /* preparing rollback data*/ {"rollback-data", required_argument, 0, 'R'}, {"journal-device", required_argument, 0, 'j'}, {"no-journal-available", no_argument, &flag, OPT_SKIP_JOURNAL}, // {"bad-block-file", required_argument, 0, 'B'}, /* start reiserfsck in background and exit */ {"background", no_argument, 0, 'g'}, {0, 0, 0, 0} }; int option_index; c = getopt_long (argc, argv, "iql:nb:Szd:R:h:j:gafVrpyt:", options, &option_index); if (c == -1) break; switch (c) { case 0: /* long-only options */ if (flag == OPT_SKIP_JOURNAL) { /* no journal available */ data->options |= OPT_SKIP_JOURNAL; flag = 0; } break; case 'i': /* --interactive */ data->options |= OPT_INTERACTIVE; break; case 'q': /* --quiet */ data->options |= OPT_QUIET; break; case 'l': /* --logfile */ data->log_file_name = optarg; /*asprintf (&data->log_file_name, "%s", optarg);*/ data->log = fopen (optarg, "w"); if (!data->log) fprintf (stderr, "reiserfsck: Cannot not open \'%s\': %m", optarg); break; case 'n': /* --nolog */ data->options |= OPT_SILENT; break; case 'b': /* --scan-marked-in-bitmap */ /* will try to load a bitmap from a file and read only blocks marked in it. That bitmap could be created by previous run of reiserfsck with -c */ data->rebuild.bitmap_file_name = optarg; /*asprintf (&data->rebuild.bitmap_file_name, "%s", optarg);*/ data->rebuild.scan_area = EXTERN_BITMAP; break; case 'S': /* --scan-whole-partition */ data->rebuild.scan_area = ALL_BLOCKS; break; #if 0 case 'J': /* take all blocks which are leaves in journal area and put them into tree item by item (DO NOT USE IT UNTIL YOU KNOW WHAT ARE YOU DOING) */ data->rebuild.use_journal_area = 1; break; #endif case 'd': /* --create-passes-dump */ asprintf (&data->rebuild.passes_dump_file_name, "%s", optarg); data->options |= OPT_SAVE_PASSES_DUMP; break; case 'z': /* --adjust-file-size */ data->options |= OPT_ADJUST_FILE_SIZE; break; case 'h': /* --hash: suppose that this hash was used on a filesystem */ asprintf (&data->rebuild.defined_hash, "%s", optarg); if (name2func (data->rebuild.defined_hash) == 0) reiserfs_panic ("reiserfsck: Unknown hash is defined: %s", data->rebuild.defined_hash); data->options |= OPT_HASH_DEFINED; break; case 'j': /* specified relocated journal device */ data->journal_dev_name = optarg; break; case 'R': /* preparing rollback data */ asprintf (&data->rebuild.rollback_file, "%s", optarg); data->options |= OPT_SAVE_ROLLBACK; break; case 'B': /* list of phisically corrupted blocks */ asprintf (&badblocks_file, "%s", optarg); data->options |= BADBLOCKS_FILE; break; case 'g': /* --background */ data->options |= OPT_BACKGROUND; break; case 'a': case 'p': mode = AUTO; break; case 'f': case 'r': /* ignored */ case 'y': break; case 'V': /* cause fsck to do nothing */ mode = DO_NOTHING; break; case 't': mode = DO_TEST; data->rebuild.test = atoi (optarg); break; default: print_usage_and_exit(); } } if (optind != argc - 1 && mode != DO_NOTHING) /* only one non-option argument is permitted */ print_usage_and_exit(); if (mode != FSCK_REBUILD && (data->rebuild.scan_area == EXTERN_BITMAP || data->rebuild.scan_area == ALL_BLOCKS || data->options & OPT_SAVE_PASSES_DUMP)) /* wrong options for this mode */ print_usage_and_exit(); if (data->options & OPT_ADJUST_FILE_SIZE) { if ((mode != FSCK_REBUILD) && (mode != FSCK_FIX_FIXABLE)) print_usage_and_exit(); } if (data->options & OPT_SAVE_ROLLBACK) { if (mode == FSCK_SB) print_usage_and_exit(); } if (mode == FSCK_ROLLBACK_CHANGES) { if ((data->options & OPT_SAVE_ROLLBACK) == 0) print_usage_and_exit(); } if ((data->options & BADBLOCKS_FILE) && ((mode == FSCK_SB) || (mode == FSCK_CLEAN_ATTRIBUTES) || (mode == FSCK_CHECK))) print_usage_and_exit(); data->mode = mode; if (!data->log) data->log = stdout; if (data->journal_dev_name == NULL) data->journal_dev_name = argv[optind]; return argv[optind]; } #define REBUILD_WARNING \ " *************************************************************\n\ ** Do not run rebuild-tree unless something is broken and **\n\ ** MAKE A BACKUP before using it. If you have bad sectors **\n\ ** on a drive it is usually a bad idea to continue using **\n\ ** it. Then you probably should get a working hard drive, **\n\ ** copy the file system from the bad drive to the good one **\n\ ** -- dd_rescue is a good tool for that -- and only then **\n\ ** run this program. **\n\ ** If you are using the latest reiserfsprogs and it fails **\n\ ** please email bug reports to reiserfs-list@namesys.com, **\n\ ** providing as much information as possible -- your **\n\ ** hardware, kernel, patches, settings, all reiserfsck **\n\ ** messages (including version), the reiserfsck logfile, **\n\ ** check the syslog file for any related information. **\n\ ** If you would like advice on using this program, support **\n\ ** is available for $25 at www.namesys.com/support.html. **\n\ *************************************************************\n\ \nWill rebuild the filesystem (%s) tree\n" #define START_WARNING \ " *************************************************************\n\ ** If you are using the latest reiserfsprogs and it fails **\n\ ** please email bug reports to reiserfs-list@namesys.com, **\n\ ** providing as much information as possible -- your **\n\ ** hardware, kernel, patches, settings, all reiserfsk **\n\ ** messages (including version), the reiserfsck logfile, **\n\ ** check the syslog file for any related information. **\n\ ** If you would like advice on using this program, support **\n\ ** is available for $25 at www.namesys.com/support.html. **\n\ *************************************************************\n\ \n" #define AUTO_WARNING \ " **********************************************************\n\ ** WARNING: You seem to be running this automatically. **\n\ ** You are almost certainly doing it by mistake as **\n\ ** a result of some script that doesn't know what it **\n\ ** does. Nothing will be done. If you really intend to **\n\ ** run reiserfsck, rerun it without -a and -p options. **\n\ **********************************************************\n\n" void warn_what_will_be_done (char * file_name, struct fsck_data * data) { FILE * warn_to; warn_to = (data->progress ?: stderr); if (data->mode == FSCK_REBUILD) reiserfs_warning (warn_to, REBUILD_WARNING, file_name); else reiserfs_warning (warn_to, START_WARNING); /* warn about fsck mode */ switch (data->mode) { case FSCK_CHECK: reiserfs_warning (warn_to, "Will read-only check consistency of the filesystem on %s\n", file_name); break; case FSCK_FIX_FIXABLE: reiserfs_warning (warn_to, "Will check consistency of the filesystem on %s\n", file_name); reiserfs_warning (warn_to, "and will fix what can be fixed w/o --rebuild-tree\n"); break; case FSCK_SB: reiserfs_warning (warn_to, "Will check superblock and rebuild it if needed\n"); break; case FSCK_REBUILD: if (data->options & OPT_SAVE_PASSES_DUMP) { reiserfs_warning (warn_to, "Will run only 1 step of the rebuilding, write state file '%s' and exit\n", data->rebuild.passes_dump_file_name); } else if (data->options & OPT_INTERACTIVE) reiserfs_warning (warn_to, "Will stop after every stage and ask for " "confirmation before continuing\n"); if (data->rebuild.bitmap_file_name) reiserfs_warning (warn_to, "Will try to load a bitmap--of all ReiserFS leaves in the partition--from the file \n'%s'\n", data->rebuild.bitmap_file_name); if (data->options & OPT_ADJUST_FILE_SIZE) reiserfs_warning (warn_to, "\tWill set file sizes in their metadata to real file sizes actually found by fsck.\n"); if (data->options & OPT_HASH_DEFINED) reiserfs_warning (warn_to, "\tSuppose \"%s\" hash is in use\n", data->rebuild.defined_hash); break; case FSCK_ROLLBACK_CHANGES: reiserfs_warning (warn_to, "Will rollback all data saved in %s into %s\n", data->rebuild.rollback_file, file_name); break; case FSCK_CLEAN_ATTRIBUTES: reiserfs_warning (warn_to, "Will clean file attributes on %s\n", file_name); break; case AUTO: reiserfs_warning (warn_to, AUTO_WARNING); exit(0); } if (data->options & OPT_SAVE_ROLLBACK && data->mode != FSCK_ROLLBACK_CHANGES) reiserfs_warning (warn_to, "Will save all blocks to be changed into file '%s'\n", data->rebuild.rollback_file); if (data->options & BADBLOCKS_FILE) reiserfs_warning (warn_to, "Bad block list will contain only blocks specified in '%s' file\n", badblocks_file); reiserfs_warning (warn_to, "Will put log info to '%s'\n", (data->log == stdout) ? "stdout" : (data->log_file_name ?: "fsck.run")); if (!user_confirmed (warn_to, "\nDo you want to run this program?[N/Yes] (note need to type Yes if you do):", "Yes\n")) exit (0); } static dma_info_t dma_info; static dma_info_t old_dma_info; void check_dma() { old_dma_info = dma_info; if (get_dma_info(&dma_info) == -1) { fsck_log("get_dma_info failed %s\n", strerror (errno)); return; } if (dma_info.dma != old_dma_info.dma) { if (dma_info.dma == 0) { printf("\n********************************************************************\n"); printf("* Warning: It was just detected that dma mode was turned off while *\n"); printf("* operating -- probably due to some problem with your hardware. *\n"); printf("* Please check your hardware and have a look into the syslog file. *\n"); printf("* Note: run of rebuild-tree on faulty hardware may destroy your *\n"); printf("* data. *\n"); printf("********************************************************************\n"); if (fsck_log_file (fs) != stdout) fsck_log("WARNING: dma mode has been turned off.\n"); } } if (dma_info.speed != old_dma_info.speed) { if (dma_info.speed < old_dma_info.speed) { printf("\n********************************************************************\n"); printf("* Warning:It was just detected that dma speed was descreased while *\n"); printf("* operating -- probably due to some problem with your hardware. *\n"); printf("* Please check your hardware and have a look into the syslog file. *\n"); printf("* Note: run of rebuild-tree on faulty hardware may destroy your *\n"); printf("* data. *\n"); printf("********************************************************************\n"); if (fsck_log_file (fs) != stdout) fsck_log("WARNING: dma speed has been descreased.\n"); } } alarm(1); } void register_timer() { memset(&dma_info, 0, sizeof(dma_info)); memset(&old_dma_info, 0, sizeof(old_dma_info)); dma_info.fd = fs->fs_dev; if (prepare_dma_check(&dma_info) != 0) return; if (get_dma_info(&dma_info) == -1) { fsck_log("get_dma_info failed %s\n", strerror (errno)); return; } if (dma_info.dma == 0) { printf("\n******************************************************\n"); printf("* Warning: The dma on your hard drive is turned off. *\n"); printf("* This may really slow down the fsck process. *\n"); printf("******************************************************\n"); if (fsck_log_file (fs) != stdout) fsck_log("WARNING: DMA is turned off\n"); } signal(SIGALRM, check_dma); alarm(1); } static void reset_super_block (reiserfs_filsys_t * fs) { struct reiserfs_super_block * sb; sb = fs->fs_ondisk_sb; set_sb_free_blocks (sb, get_sb_block_count (sb)); set_sb_root_block (sb, ~0); set_sb_tree_height (sb, ~0); /* make file system invalid unless fsck finished () */ set_sb_fs_state (sb, get_sb_fs_state (sb) || REISERFS_CORRUPTED); /* if ( is_reiser2fs_jr_magic_string (sb) ) {??? set_sb_version (sb, REISERFS_VERSION_3); } if (is_reiser2fs_magic_string (sb)) { set_sb_version (sb, REISERFS_FORMAT_3_6); } if (is_reiserfs_magic_string (sb)) { set_sb_version (sb, REISERFS_FORMAT_3_5); } */ /* make sure that hash code in super block match to set hash function */ set_sb_hash_code (sb, func2code (fs->fs_hash_function)); if (fsck_hash_defined (fs)) { /* --hash was specifed */ fs->fs_hash_function = name2func (fsck_data (fs)->rebuild.defined_hash); set_sb_hash_code (sb, func2code (fs->fs_hash_function)); } /* reset journal params */ if (!fsck_skip_journal(fs)) { if (is_reiserfs_jr_magic_string (sb)) { struct reiserfs_journal_header * jh; jh = (struct reiserfs_journal_header *)fs->fs_jh_bh->b_data; memcpy (sb_jp(sb), &jh->jh_journal, sizeof (struct journal_params)); /* FIXME: copy reserved from jheader to SB */ } else { /* standard journal */ set_jp_journal_dev (sb_jp(sb), 0); set_jp_journal_magic (sb_jp(sb) ,0); set_sb_reserved_for_journal (sb, 0); set_jp_journal_1st_block (sb_jp(sb), get_journal_start_must (fs)); set_jp_journal_size (sb_jp(sb), journal_default_size (fs->fs_super_bh->b_blocknr, fs->fs_blocksize)); set_jp_journal_max_trans_len (sb_jp(sb), advise_journal_max_trans_len( get_jp_journal_max_trans_len (sb_jp(sb)), get_jp_journal_size (sb_jp(sb)), fs->fs_blocksize)); set_jp_journal_max_batch (sb_jp(sb), advise_journal_max_batch(get_jp_journal_max_trans_len (sb_jp(sb)))); set_jp_journal_max_commit_age (sb_jp(sb), advise_journal_max_commit_age()); set_jp_journal_max_trans_age (sb_jp(sb), advise_journal_max_trans_age()); } } /* objectid map is not touched */ mark_buffer_dirty (fs->fs_super_bh); bwrite (fs->fs_super_bh); if (!(fsck_data(fs)->options & OPT_SAVE_PASSES_DUMP)) mark_buffer_do_not_flush (fs->fs_super_bh); } #define START_FROM_THE_BEGINNING 1 #define START_FROM_PASS_1 2 #define START_FROM_PASS_2 3 #define START_FROM_SEMANTIC 4 #define START_FROM_LOST_FOUND 5 #define START_FROM_PASS_4 6 /* this decides where to start from */ static int where_to_start_from (reiserfs_filsys_t * fs) { int ret; FILE * fp = 0; int last_run_state; last_run_state = get_sb_fs_state (fs->fs_ondisk_sb); if (last_run_state == 0 || !fsck_run_one_step (fs)) /**/ return START_FROM_THE_BEGINNING; /* We are able to perform the next step only if there is a file with the previous * step results. */ fp = open_file (state_dump_file (fs), "r"); if (fp == 0) { set_sb_fs_state (fs->fs_ondisk_sb, 0); return START_FROM_THE_BEGINNING; } /* check start and end magics of dump file */ ret = is_stage_magic_correct (fp); if (ret <= 0 || ret != last_run_state) return START_FROM_THE_BEGINNING; switch (last_run_state) { case PASS_0_DONE: /* skip pass 0 */ if (!fsck_user_confirmed (fs, "Pass 0 seems finished. Start from pass 1?(Yes)", "Yes\n", 1)) fsck_exit ("Run without -d then\n"); load_pass_0_result (fp, fs); fclose (fp); return START_FROM_PASS_1; case PASS_1_DONE: /* skip pass 1 */ if (!fsck_user_confirmed (fs, "Passes 0 and 1 seems finished. Start from pass 2?(Yes)", "Yes\n", 1)) fsck_exit ("Run without -d then\n"); load_pass_1_result (fp, fs); fclose (fp); return START_FROM_PASS_2; case TREE_IS_BUILT: if (!fsck_user_confirmed (fs, "Internal tree of filesystem looks built. Skip rebuilding?(Yes)", "Yes\n", 1)) fsck_exit ("Run without -d then\n"); load_pass_2_result (fs); fclose (fp); return START_FROM_SEMANTIC; case SEMANTIC_DONE: if (!fsck_user_confirmed (fs, "Passes 0 and 1 seems finished. Start from pass 2?(Yes)", "Yes\n", 1)) fsck_exit ("Run without -d then\n"); load_semantic_result (fp, fs); fclose (fp); return START_FROM_LOST_FOUND; case LOST_FOUND_DONE: if (!fsck_user_confirmed (fs, "Passes 0 and 1 seems finished. Start from pass 2?(Yes)", "Yes\n", 1)) fsck_exit ("Run without -d then\n"); load_lost_found_result (fs); fclose (fp); return START_FROM_PASS_4; } return START_FROM_THE_BEGINNING; } static void mark_filesystem_consistent (reiserfs_filsys_t * fs) { if (!is_opened_rw (fs)) return; if (!reiserfs_journal_opened (fs)) { /* make sure journal is not standard */ if (!is_reiserfs_jr_magic_string (fs->fs_ondisk_sb)) die ("Filesystem with standard journal must be opened."); fsck_progress ("WARNING: You must use reiserfstune to specify a new journal before mounting it.\n"); /* mark filesystem such that it is not mountable until * new journaldevice is defined */ set_jp_journal_magic (sb_jp (fs->fs_ondisk_sb), NEED_TUNE); } set_sb_umount_state (fs->fs_ondisk_sb, REISERFS_CLEANLY_UMOUNTED); set_sb_fs_state (fs->fs_ondisk_sb, REISERFS_CONSISTENT); mark_buffer_dirty (fs->fs_super_bh); } static void reiserfsck_replay_journal () { /* keep the super_block in the separate memory to avoid problems with replayed broken parameters */ fs->fs_ondisk_sb = getmem (fs->fs_blocksize); memcpy (fs->fs_ondisk_sb, fs->fs_super_bh->b_data, fs->fs_blocksize); replay_journal (fs); /* get rid of SB copy */ memcpy (fs->fs_super_bh->b_data, fs->fs_ondisk_sb, fs->fs_blocksize); freemem (fs->fs_ondisk_sb); fs->fs_ondisk_sb = (struct reiserfs_super_block *)fs->fs_super_bh->b_data; } static void the_end (reiserfs_filsys_t * fs) { struct reiserfs_super_block * sb; sb = fs->fs_ondisk_sb; /* put bitmap and objectid map on place */ reiserfs_delete_bitmap (fs->fs_bitmap2); fs->fs_bitmap2 = fsck_new_bitmap (fs); if (!fs->fs_bitmap2->bm_dirty) die ("Bitmap not dirty"); flush_objectid_map (proper_id_map (fs), fs); free_id_map(proper_id_map (fs)); free_id_map(semantic_id_map (fs)); /* set_sb_free_blocks (sb, reiserfs_bitmap_zeros (fsck_new_bitmap (fs)));*/ mark_filesystem_consistent (fs); clear_buffer_do_not_flush (fs->fs_super_bh); /* write all dirty blocks */ fsck_progress ("Syncing.."); fs->fs_dirt = 1; clean_after_dma_check(fs->fs_dev, &dma_info); reiserfs_close (fs); fsck_progress ("finished\n"); } static void rebuild_tree (reiserfs_filsys_t * fs) { time_t t; if (is_mounted (fs->fs_file_name)) { fsck_progress ("rebuild_tree: Cannot rebuild tree of mounted filesystem\n"); exit(16); } init_rollback_file (state_rollback_file(fs), &fs->fs_blocksize, fsck_data(fs)->log); reiserfs_reopen (fs, O_RDWR); /* FIXME: for regular file take care of of file size */ if (!reiserfs_open_ondisk_bitmap (fs)) { fsck_progress ("reiserfsck: Could not open bitmap\n"); reiserfs_close (fs); exit(8); } /* rebuild starts with journal replaying */ if (!fsck_skip_journal (fs)) reiserfsck_replay_journal (); time (&t); fsck_progress ("###########\n" "reiserfsck --rebuild-tree started at %s" "###########\n", ctime (&t)); switch (where_to_start_from (fs)) { case START_FROM_THE_BEGINNING: reset_super_block (fs); pass_0 (fs); case START_FROM_PASS_1: reset_super_block (fs); pass_1 (fs); case START_FROM_PASS_2: pass_2 (fs); case START_FROM_SEMANTIC: pass_3_semantic (fs); /* if --lost+found is set - link unaccessed directories to lost+found directory */ case START_FROM_LOST_FOUND: pass_3a_look_for_lost (fs); case START_FROM_PASS_4: /* 4. look for unaccessed items in the leaves */ pass_4_check_unaccessed_items (); the_end (fs); } close_rollback_file (); time (&t); fsck_progress ("###########\n" "reiserfsck finished at %s" "###########\n", ctime (&t)); exit (0); } /* check umounted or read-only mounted filesystems only */ static void prepare_fs_for_pass_through_tree (reiserfs_filsys_t * fs) { if (is_mounted (fs->fs_file_name)) { /* filesystem seems mounted. */ if (fsck_mode (fs) == FSCK_CLEAN_ATTRIBUTES) { fsck_progress ("Partition %s is mounted, cannot clean attributes on mounted device\n", fs->fs_file_name); reiserfs_close (fs); exit(16); } if (!is_mounted_read_only (fs->fs_file_name)) { fsck_progress ("Partition %s is mounted w/ write permissions, cannot check it\n", fs->fs_file_name); reiserfs_close (fs); exit(16); } if (!reiserfs_journal_opened (fs)) /* just to make sure */ reiserfs_panic ("Journal is not opened"); fsck_progress ("Filesystem seems mounted read-only. Skipping journal replay.\n"); if (fsck_mode (fs) == FSCK_FIX_FIXABLE) { fsck_progress ("--fix-fixable ignored\n"); fsck_mode (fs) = FSCK_CHECK; } } else { reiserfs_reopen (fs, O_RDWR); if (!fsck_skip_journal (fs)) /* filesystem is not mounted, replay journal before checking */ reiserfsck_replay_journal (); } } static void clean_attributes (reiserfs_filsys_t * fs) { time_t t; time (&t); if (get_sb_umount_state (fs->fs_ondisk_sb) != REISERFS_CLEANLY_UMOUNTED) { fsck_progress ("Filesystem does not look cleanly umounted\n" "Check consistency of the partition first.\n"); exit(16); } if (get_sb_fs_state (fs->fs_ondisk_sb) != REISERFS_CONSISTENT) { fsck_progress ("Filesystem seems to be in unconsistent state.\n" "Check consistency of the partition first.\n"); exit(16); } if (get_reiserfs_format (fs->fs_ondisk_sb) != REISERFS_FORMAT_3_6) { fsck_progress ("Filesystems of 3_5 format do not support extended attributes.\n"); exit(16); } fsck_progress ("###########\n" "reiserfsck --clean-attributes started at %s" "###########\n", ctime (&t)); init_rollback_file (state_rollback_file(fs), &fs->fs_blocksize, fsck_data(fs)->log); prepare_fs_for_pass_through_tree (fs); do_clean_attributes (fs); clean_after_dma_check(fs->fs_dev, &dma_info); reiserfs_close (fs); close_rollback_file (); fsck_progress ("###########\n" "reiserfsck finished at %s" "###########\n", ctime (&t)); exit (0); } /* check umounted or read-only mounted filesystems only */ static void check_fs (reiserfs_filsys_t * fs) { int retval; time_t t; time (&t); if (fsck_mode (fs) != FSCK_FIX_FIXABLE) { fsck_progress ("###########\n" "reiserfsck --check started at %s" "###########\n", ctime (&t)); } else { fsck_progress ("###########\n" "reiserfsck --fix-fixable started at %s" "###########\n", ctime (&t)); } init_rollback_file (state_rollback_file(fs), &fs->fs_blocksize, fsck_data(fs)->log); if (!reiserfs_open_ondisk_bitmap (fs)) { fsck_progress ("reiserfsck: Could not open bitmap\n"); reiserfs_close (fs); exit(8); } prepare_fs_for_pass_through_tree (fs); check_fs_tree (fs); semantic_check (); if (fsck_data (fs)->check.fatal_corruptions) { fsck_progress ("%d found corruptions can be fixed only during --rebuild-tree\n", fsck_data (fs)->check.fatal_corruptions); set_sb_fs_state (fs->fs_ondisk_sb, REISERFS_CORRUPTED); mark_buffer_dirty (fs->fs_super_bh); retval = 2; } else if (fsck_data (fs)->check.fixable_corruptions) { /* fixable corruptions found */ if (fsck_mode (fs) == FSCK_FIX_FIXABLE) { /* fixable corruptions found and fix-fixable has not fixed them, do rebuild-tree */ fsck_log ("Fatal error: %d fixable corruptions found after fix-fixable.\n", fsck_data (fs)->check.fixable_corruptions); retval = 2; } else { fsck_progress ("%d found corruptions can be fixed with --fix-fixable\n", fsck_data (fs)->check.fixable_corruptions); retval = 1; } set_sb_fs_state (fs->fs_ondisk_sb, REISERFS_CORRUPTED); mark_buffer_dirty (fs->fs_super_bh); } else { fsck_progress ("No corruptions found\n"); stage_report (5, fs); retval = 0; mark_filesystem_consistent (fs); } if (fsck_mode (fs) == FSCK_FIX_FIXABLE) { flush_objectid_map (proper_id_map (fs), fs); fs->fs_dirt = 1; } free_id_map (proper_id_map (fs)); clean_after_dma_check(fs->fs_dev, &dma_info); reiserfs_close (fs); close_rollback_file (); time (&t); fsck_progress ("###########\n" "reiserfsck finished at %s" "###########\n", ctime (&t)); exit(retval); } static int open_devices_for_rollback (char * file_name, struct fsck_data * data) { int fd; fd = open (file_name, O_RDWR | O_LARGEFILE); if (fd == -1) { reiserfs_warning (stderr, "reiserfsck: Cannot not open the fs partition %s\"", file_name); return -1; } fs = getmem (sizeof (*fs)); fs->fs_dev = fd; fs->fs_vp = data; asprintf (&fs->fs_file_name, "%s", file_name); if (data->journal_dev_name && strcmp (data->journal_dev_name, file_name)) { fs->fs_journal_dev = open (data->journal_dev_name, O_RDWR | O_LARGEFILE); if (fs->fs_journal_dev == -1) { reiserfs_warning (stderr, "Cannot open journal partition\n"); return -1; } } if (open_rollback_file (state_rollback_file(fs), fsck_data(fs)->log)) return -1; return 0; } static void fsck_rollback (reiserfs_filsys_t * fs) { time_t t; time (&t); fsck_progress ("###########\n" "reiserfsck --rollback-fsck-changes started at %s" "###########\n", ctime (&t)); do_fsck_rollback (fs->fs_dev, fs->fs_journal_dev, fsck_progress_file (fs)); close_rollback_file (); close (fs->fs_journal_dev); free (fs->fs_file_name); fs->fs_file_name = 0; close (fs->fs_dev); freemem (fs); time (&t); fsck_progress ("###########\n" "reiserfsck finished at %s" "###########\n", ctime (&t)); exit(0); } int main (int argc, char * argv []) { char * file_name; struct fsck_data * data; struct rlimit rlim = {0xffffffff, 0xffffffff}; int retval; char *width; width = getenv("COLUMNS"); if ( width ) screen_width = atoi(width); if (screen_width == 0) screen_width = 80; // We default to 80 characters wide screen screen_width--; screen_savebuffer_len=screen_width; screen_savebuffer=getmem(screen_width+1); memset(screen_savebuffer,0,screen_savebuffer_len+1); lost_found_dir_key.k2_dir_id = cpu_to_le32(lost_found_dir_key.k2_dir_id); lost_found_dir_key.k2_objectid = cpu_to_le32(lost_found_dir_key.k2_objectid); /* this is only needed (and works) when running under 2.4 on regular files */ if (setrlimit (RLIMIT_FSIZE, &rlim) == -1) { reiserfs_warning (stderr, "Cannot change the system limit for file size with setrlimit: %m\n"); } data = getmem (sizeof (struct fsck_data)); file_name = parse_options (data, argc, argv); if (data->mode != AUTO) print_banner ("reiserfsck"); if (data->mode == DO_NOTHING) { freemem (data); return 0; } if (data->options & OPT_BACKGROUND) { /* running in background reiserfsck appends progress information into 'fsck.run'. Logs get there if log file was not specified*/ data->options |= OPT_QUIET; data->progress = fopen ("fsck.run", "a+"); if (!data->progress) reiserfs_panic ("reiserfsck: Cannot not open \"fsck.run\""); if (data->log == stdout) /* no log file specifed - redirect log into 'fsck.run' */ data->log = data->progress; retval = fork (); if (retval == -1) reiserfs_panic ("reiserfsck: Fork failed: %m"); if (retval != 0) { return 8; } reiserfs_warning (stderr, "\nReiserfsck is running in background as [%d],\n" "make sure that it gets all the confirmations from stdin that it requests.\n\n", getpid ()); } if (data->mode != AUTO) warn_what_will_be_done (file_name, data); /* and ask confirmation Yes */ if (data->mode == FSCK_ROLLBACK_CHANGES) { if (open_devices_for_rollback (file_name, data) == -1) exit(8); } else { fs = reiserfs_open (file_name, O_RDONLY, 0, data); if (data->mode != FSCK_SB) { if (no_reiserfs_found (fs)) die ("reiserfsck: Cannot not open filesystem on \"%s\"", file_name); if (data->mode == AUTO) { print_super_block (stdout, fs, fs->fs_file_name, fs->fs_super_bh, 1); reiserfs_close(fs); exit(0); } if (fsck_skip_journal (fs) && !is_reiserfs_jr_magic_string (fs->fs_ondisk_sb)) { reiserfs_warning (stderr, "Filesystem with standard journal found, " "--no-journal-available is ignored\n"); fsck_data(fs)->options &= ~OPT_SKIP_JOURNAL; } if (!fsck_skip_journal (fs)) { if (!reiserfs_open_journal (fs, data->journal_dev_name, O_RDONLY)) { fsck_progress ("\nEither make journal partition available or use --no-journal-available\n"); fsck_progress ("If you have the standard journal or if your partition is available\n"); fsck_progress ("and you specified it correctly, you must run rebuild-sb\n"); reiserfs_close (fs); return 8; } } if (data->options & BADBLOCKS_FILE) { if (create_badblock_bitmap (fs, badblocks_file) != 0) { badblocks_file = NULL; data->options &= ~BADBLOCKS_FILE; } } register_timer(); } } switch (data->mode) { case FSCK_SB: rebuild_sb (fs, file_name, data); break; case FSCK_CHECK: case FSCK_FIX_FIXABLE: check_fs (fs); break; case FSCK_REBUILD: case DO_TEST: rebuild_tree (fs); break; case FSCK_ROLLBACK_CHANGES: fsck_rollback (fs); break; case FSCK_CLEAN_ATTRIBUTES: clean_attributes (fs); } return 8; }