From f0e3c14802515f60a47e6ef347ea59c2733402aa Mon Sep 17 00:00:00 2001 From: Kemeng Shi Date: Thu, 1 Aug 2024 09:38:08 +0800 Subject: [PATCH] jbd2: correctly compare tids with tid_geq function in jbd2_fc_begin_commit Use tid_geq to compare tids to work over sequence number wraps. Signed-off-by: Kemeng Shi Reviewed-by: Jan Kara Reviewed-by: Zhang Yi Cc: stable@kernel.org Link: https://patch.msgid.link/20240801013815.2393869-2-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o --- fs/jbd2/journal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 291a431f8aaf..33a975193f1f 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -710,7 +710,7 @@ int jbd2_fc_begin_commit(journal_t *journal, tid_t tid) return -EINVAL; write_lock(&journal->j_state_lock); - if (tid <= journal->j_commit_sequence) { + if (tid_geq(journal->j_commit_sequence, tid)) { write_unlock(&journal->j_state_lock); return -EALREADY; } -- 2.50.1