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bcachefs: Ensure we're RW before journalling

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Reported-by: syzbot+c60cd352aedb109528bf@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-05-22 20:17:05 -04:00
parent d293ece108
commit cd3b31f9d4
1 changed files with 3 additions and 1 deletions
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4
fs/bcachefs/recovery.c
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@ -811,9 +811,11 @@ int bch2_fs_recovery(struct bch_fs *c)
clear_bit(BCH_FS_fsck_running, &c->flags);
/* fsync if we fixed errors */
if (test_bit(BCH_FS_errors_fixed, &c->flags)) {
if (test_bit(BCH_FS_errors_fixed, &c->flags) &&
bch2_write_ref_tryget(c, BCH_WRITE_REF_fsync)) {
bch2_journal_flush_all_pins(&c->journal);
bch2_journal_meta(&c->journal);
bch2_write_ref_put(c, BCH_WRITE_REF_fsync);
}
/* If we fixed errors, verify that fs is actually clean now: */