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jbd2: remove wrong sb->s_sequence check

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Journal emptiness is not determined by sb->s_sequence == 0 but rather by
sb->s_start == 0 (which is set a few lines above). Furthermore 0 is a
valid transaction ID so the check can spuriously trigger. Remove the
invalid WARN_ON.

CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://patch.msgid.link/20250206094657.20865-3-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jan Kara 2025-02-06 10:46:58 +01:00 • committed by Theodore Ts'o
parent 5f920d5d60
commit e6eff39dd0
1 changed files with 0 additions and 1 deletions
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fs/jbd2/journal.c
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@ -1869,7 +1869,6 @@ int jbd2_journal_update_sb_log_tail(journal_t *journal, tid_t tail_tid,
/* Log is no longer empty */
write_lock(&journal->j_state_lock);
WARN_ON(!sb->s_sequence);
journal->j_flags &= ~JBD2_FLUSHED;
write_unlock(&journal->j_state_lock);