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bcachefs: Don't do upgrades in nochanges mode

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nochanges mode is often used for getting data off of otherwise
nonrecoverable filesystems, which is often because of errors hit during
fsck.

Don't force version upgrade & fsck in nochanges mode, so that it's more
likely to mount.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2021-10-27 17:53:20 -04:00 committed by Kent Overstreet
parent f124345e2b
commit 8325cd1ed4
1 changed files with 11 additions and 9 deletions
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20
fs/bcachefs/recovery.c
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@ -1081,15 +1081,17 @@ int bch2_fs_recovery(struct bch_fs *c)
set_bit(BCH_FS_REBUILD_REPLICAS, &c->flags);
}
if (c->sb.version < bcachefs_metadata_version_inode_backpointers) {
bch_info(c, "version prior to inode backpointers, upgrade and fsck required");
c->opts.version_upgrade = true;
c->opts.fsck = true;
c->opts.fix_errors = FSCK_OPT_YES;
} else if (c->sb.version < bcachefs_metadata_version_subvol_dirent) {
bch_info(c, "filesystem version is prior to subvol_dirent - upgrading");
c->opts.version_upgrade = true;
c->opts.fsck = true;
if (!c->opts.nochanges) {
if (c->sb.version < bcachefs_metadata_version_inode_backpointers) {
bch_info(c, "version prior to inode backpointers, upgrade and fsck required");
c->opts.version_upgrade = true;
c->opts.fsck = true;
c->opts.fix_errors = FSCK_OPT_YES;
} else if (c->sb.version < bcachefs_metadata_version_subvol_dirent) {
bch_info(c, "filesystem version is prior to subvol_dirent - upgrading");
c->opts.version_upgrade = true;
c->opts.fsck = true;
}
}
ret = bch2_blacklist_table_initialize(c);