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bcachefs: Fix recovery when forced to use JSET_NO_FLUSH journal entry

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When we didn't find anything in the journal that we'd like to use, and
we're forced to use whatever we can find - that entry will have been a
JSET_NO_FLUSH entry with a garbage last_seq value, since it's not
normally used.

Initialize it to something sane, for bch2_fs_journal_start().

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-11-03 11:55:44 -04:00
parent ce3e9a8a10
commit 5a53f851e6
1 changed files with 7 additions and 0 deletions
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7
fs/bcachefs/recovery.c
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@ -735,6 +735,13 @@ int bch2_fs_recovery(struct bch_fs *c)
if (*i) {
last_journal_entry = &(*i)->j;
(*i)->ignore = false;
/*
* This was probably a NO_FLUSH entry,
* so last_seq was garbage - but we know
* we're only using a single journal
* entry, set it here:
*/
(*i)->j.last_seq = (*i)->j.seq;
break;
}
}