static errcode_t update_slot_count(ocfs2_filesys *fs, int num_slots)
{
errcode_t ret = 0;
int orig_slots = OCFS2_RAW_SB(fs->fs_super)->s_max_slots;
if (num_slots == orig_slots) {
verbosef(VL_APP,
"Device \"%s\" already has %d node slots; "
"nothing to do\n",
fs->fs_devname, num_slots);
goto out;
}
if (!tools_interact("Change the number of node slots on device "
"\"%s\" from %d to %d? ",
fs->fs_devname, orig_slots, num_slots))
goto out;
tunefs_block_signals();
if (num_slots > orig_slots)
ret = add_slots(fs, num_slots);
else
ret = remove_slots(fs, num_slots);
if (ret)
goto out_unblock;
OCFS2_RAW_SB(fs->fs_super)->s_max_slots = num_slots;
if (num_slots > orig_slots) {
/* Grow the new journals to match the first slot */
verbosef(VL_APP,
"Allocating space for the new journals\n");
ret = tunefs_set_journal_size(fs, 0);
if (!ret)
verbosef(VL_APP, "Journal space allocated\n");
else {
verbosef(VL_APP,
"%s while trying to size the new journals\n",
error_message(ret));
goto out_unblock;
}
}
ret = ocfs2_format_slot_map(fs);
if (ret)
goto out_unblock;
if (num_slots < orig_slots) {
ret = tunefs_clear_in_progress(fs,
OCFS2_TUNEFS_INPROG_REMOVE_SLOT);
if (ret)
goto out_unblock;
}
ret = ocfs2_write_super(fs);
out_unblock:
tunefs_unblock_signals();
out:
return ret;
}
int main(int argc, char **argv)
{
char *filename;
int64_t blkno, blksize;
o2fsck_state *ost = &_ost;
int c, open_flags = OCFS2_FLAG_RW | OCFS2_FLAG_STRICT_COMPAT_CHECK;
int sb_num = 0;
int fsck_mask = FSCK_OK;
int slot_recover_err = 0;
errcode_t ret;
int mount_flags;
int proceed = 1;
memset(ost, 0, sizeof(o2fsck_state));
ost->ost_ask = 1;
ost->ost_dirblocks.db_root = RB_ROOT;
ost->ost_dir_parents = RB_ROOT;
ost->ost_refcount_trees = RB_ROOT;
/* These mean "autodetect" */
blksize = 0;
blkno = 0;
initialize_ocfs_error_table();
initialize_o2dl_error_table();
initialize_o2cb_error_table();
setlinebuf(stderr);
setlinebuf(stdout);
tools_progress_disable();
while ((c = getopt(argc, argv, "b:B:DfFGnupavVytPr:")) != EOF) {
switch (c) {
case 'b':
blkno = read_number(optarg);
if (blkno < OCFS2_SUPER_BLOCK_BLKNO) {
fprintf(stderr,
"Invalid blkno: %s\n",
optarg);
fsck_mask |= FSCK_USAGE;
print_usage();
goto out;
}
break;
case 'B':
blksize = read_number(optarg);
if (blksize < OCFS2_MIN_BLOCKSIZE) {
fprintf(stderr,
"Invalid blksize: %s\n",
optarg);
fsck_mask |= FSCK_USAGE;
print_usage();
goto out;
}
break;
case 'D':
ost->ost_compress_dirs = 1;
break;
case 'F':
ost->ost_skip_o2cb = 1;
break;
case 'f':
ost->ost_force = 1;
break;
case 'G':
ost->ost_fix_fs_gen = 1;
break;
case 'n':
open_flags &= ~OCFS2_FLAG_RW;
open_flags |= OCFS2_FLAG_RO;
/* Fall through */
case 'a':
case 'p':
/*
* Like extN, -a maps to -p, which is
* 'preen'. This means only fix things
* that don't require human interaction.
* Unlike extN, this is only journal
* replay for now. To make it smarter,
* ost->ost_answer needs to learn a
* new mode.
*/
ost->ost_ask = 0;
ost->ost_answer = 0;
break;
case 'P':
tools_progress_enable();
break;
case 'y':
ost->ost_ask = 0;
ost->ost_answer = 1;
break;
case 'u':
open_flags |= OCFS2_FLAG_BUFFERED;
break;
case 'v':
verbose = 1;
break;
case 'V':
print_version();
exit(FSCK_USAGE);
break;
case 'r':
sb_num = read_number(optarg);
break;
case 't':
if (ost->ost_show_stats)
ost->ost_show_extended_stats = 1;
ost->ost_show_stats = 1;
break;
default:
fsck_mask |= FSCK_USAGE;
print_usage();
goto out;
break;
}
}
if (!(open_flags & OCFS2_FLAG_RW) && ost->ost_compress_dirs) {
fprintf(stderr, "Compress directories (-D) incompatible with read-only mode\n");
fsck_mask |= FSCK_USAGE;
print_usage();
goto out;
}
if (blksize % OCFS2_MIN_BLOCKSIZE) {
fprintf(stderr, "Invalid blocksize: %"PRId64"\n", blksize);
fsck_mask |= FSCK_USAGE;
print_usage();
goto out;
}
if (optind >= argc) {
fprintf(stderr, "Missing filename\n");
fsck_mask |= FSCK_USAGE;
print_usage();
goto out;
}
filename = argv[optind];
print_version();
ret = ocfs2_check_if_mounted(filename, &mount_flags);
if (ret) {
com_err(whoami, ret, "while determining whether %s is mounted.",
filename);
fsck_mask |= FSCK_ERROR;
goto out;
}
if (mount_flags & (OCFS2_MF_MOUNTED | OCFS2_MF_BUSY)) {
if (!(open_flags & OCFS2_FLAG_RW))
fprintf(stdout, "\nWARNING!!! Running fsck.ocfs2 (read-"
"only) on a mounted filesystem may detect "
"invalid errors.\n\n");
else
fprintf(stdout, "\nWARNING!!! Running fsck.ocfs2 on a "
"mounted filesystem may cause SEVERE "
"filesystem damage.\n\n");
proceed = 0;
}
if (proceed && ost->ost_skip_o2cb) {
fprintf(stdout, "\nWARNING!!! You have disabled the cluster check. "
"Continue only if you\nare absolutely sure that NO "
"node has this filesystem mounted or is\notherwise "
"accessing it. If unsure, do NOT continue.\n\n");
proceed = 0;
}
if (!proceed) {
fprintf(stdout, "Do you really want to continue (y/N): ");
if (toupper(getchar()) != 'Y') {
printf("Aborting operation.\n");
fsck_mask |= FSCK_CANCELED;
goto out;
}
}
if (signal(SIGTERM, handle_signal) == SIG_ERR) {
com_err(whoami, 0, "Could not set SIGTERM");
exit(1);
}
if (signal(SIGINT, handle_signal) == SIG_ERR) {
com_err(whoami, 0, "Could not set SIGINT");
exit(1);
}
/* recover superblock should be called at first. */
if (sb_num) {
ret = recover_backup_super(ost, filename, sb_num);
if (ret) {
com_err(whoami, ret, "recover superblock failed.\n");
fsck_mask |= FSCK_ERROR;
goto out;
}
}
ret = open_and_check(ost, filename, open_flags, blkno, blksize);
if (ret) {
fsck_mask |= FSCK_ERROR;
goto out;
}
if (open_flags & OCFS2_FLAG_RW && !ost->ost_skip_o2cb &&
!ocfs2_mount_local(ost->ost_fs)) {
ret = o2cb_init();
if (ret) {
com_err(whoami, ret, "while initializing the cluster");
goto close;
}
block_signals(SIG_BLOCK);
ret = ocfs2_initialize_dlm(ost->ost_fs, whoami);
if (ret == O2CB_ET_INVALID_STACK_NAME ||
ret == O2CB_ET_INVALID_CLUSTER_NAME ||
ret == O2CB_ET_INVALID_HEARTBEAT_MODE) {
block_signals(SIG_UNBLOCK);
ret = recover_cluster_info(ost);
if (ret) {
com_err(whoami, ret,
"while recovering cluster information");
goto close;
}
block_signals(SIG_BLOCK);
ret = ocfs2_initialize_dlm(ost->ost_fs, whoami);
}
if (ret) {
block_signals(SIG_UNBLOCK);
com_err(whoami, ret, "while initializing the DLM");
goto close;
}
ret = ocfs2_lock_down_cluster(ost->ost_fs);
if (ret) {
block_signals(SIG_UNBLOCK);
com_err(whoami, ret, "while locking down the cluster");
goto close;
}
cluster_locked = 1;
block_signals(SIG_UNBLOCK);
}
printf("Checking OCFS2 filesystem in %s:\n", filename);
printf(" Label: ");
print_label(ost);
printf(" UUID: ");
print_uuid(ost);
printf(" Number of blocks: %"PRIu64"\n", ost->ost_fs->fs_blocks);
printf(" Block size: %u\n", ost->ost_fs->fs_blocksize);
printf(" Number of clusters: %"PRIu32"\n", ost->ost_fs->fs_clusters);
printf(" Cluster size: %u\n", ost->ost_fs->fs_clustersize);
printf(" Number of slots: %u\n\n",
OCFS2_RAW_SB(ost->ost_fs->fs_super)->s_max_slots);
/* Let's get enough of a cache to replay the journals */
o2fsck_init_cache(ost, O2FSCK_CACHE_MODE_JOURNAL);
if (open_flags & OCFS2_FLAG_RW) {
ret = o2fsck_check_journals(ost);
if (ret) {
printf("fsck saw unrecoverable errors in the journal "
"files and will not continue.\n");
goto unlock;
}
}
ret = maybe_replay_journals(ost, filename, open_flags, blkno, blksize);
if (ret) {
printf("fsck encountered unrecoverable errors while "
"replaying the journals and will not continue\n");
fsck_mask |= FSCK_ERROR;
goto unlock;
}
/* Grow the cache */
o2fsck_init_cache(ost, O2FSCK_CACHE_MODE_FULL);
/* allocate all this junk after we've replayed the journal and the
* sb should be stable */
if (o2fsck_state_init(ost->ost_fs, ost)) {
fprintf(stderr, "error allocating run-time state, exiting..\n");
fsck_mask |= FSCK_ERROR;
goto unlock;
}
ret = o2fsck_slot_recovery(ost);
if (ret) {
printf("fsck encountered errors while recovering slot "
"information, check forced.\n");
slot_recover_err = 1;
ost->ost_force = 1;
}
if (fs_is_clean(ost, filename)) {
fsck_mask = FSCK_OK;
goto clear_dirty_flag;
}
#if 0
o2fsck_mark_block_used(ost, 0);
o2fsck_mark_block_used(ost, 1);
o2fsck_mark_block_used(ost, OCFS2_SUPER_BLOCK_BLKNO);
#endif
mark_magical_clusters(ost);
/* XXX we don't use the bad blocks inode, do we? */
/* XXX for now it is assumed that errors returned from a pass
* are fatal. these can be fixed over time. */
ret = o2fsck_pass0(ost);
if (ret) {
com_err(whoami, ret, "while performing pass 0");
goto done;
}
ret = o2fsck_pass1(ost);
if (ret) {
com_err(whoami, ret, "while performing pass 1");
goto done;
}
ret = o2fsck_pass2(ost);
if (ret) {
com_err(whoami, ret, "while performing pass 2");
goto done;
}
ret = o2fsck_pass3(ost);
if (ret) {
com_err(whoami, ret, "while performing pass 3");
goto done;
}
ret = o2fsck_pass4(ost);
if (ret) {
com_err(whoami, ret, "while performing pass 4");
goto done;
}
ret = o2fsck_pass5(ost);
if (ret) {
com_err(whoami, ret, "while performing pass 5");
goto done;
}
done:
if (ret)
fsck_mask |= FSCK_ERROR;
else {
fsck_mask = FSCK_OK;
ost->ost_saw_error = 0;
printf("All passes succeeded.\n\n");
o2fsck_print_resource_track(NULL, ost, &ost->ost_rt,
ost->ost_fs->fs_io);
show_stats(ost);
}
clear_dirty_flag:
if (ost->ost_fs->fs_flags & OCFS2_FLAG_RW) {
ret = write_out_superblock(ost);
if (ret)
com_err(whoami, ret, "while writing back the "
"superblock(s)");
if (fsck_mask == FSCK_OK) {
if (slot_recover_err) {
ret = o2fsck_slot_recovery(ost);
if (ret) {
com_err(whoami, ret, "while doing slot "
"recovery.");
goto unlock;
}
}
ret = o2fsck_clear_journal_flags(ost);
if (ret) {
com_err(whoami, ret, "while clear dirty "
"journal flag.");
goto unlock;
}
ret = ocfs2_format_slot_map(ost->ost_fs);
if (ret)
com_err(whoami, ret, "while format slot "
"map.");
}
}
unlock:
block_signals(SIG_BLOCK);
if (ost->ost_fs->fs_dlm_ctxt)
ocfs2_release_cluster(ost->ost_fs);
cluster_locked = 0;
block_signals(SIG_UNBLOCK);
close:
block_signals(SIG_BLOCK);
if (ost->ost_fs->fs_dlm_ctxt)
ocfs2_shutdown_dlm(ost->ost_fs, whoami);
block_signals(SIG_UNBLOCK);
ret = ocfs2_close(ost->ost_fs);
if (ret) {
com_err(whoami, ret, "while closing file \"%s\"", filename);
/* XXX I wonder about this error.. */
fsck_mask |= FSCK_ERROR;
}
out:
return fsck_mask;
}
