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jbd2: correctly compare tids with tid_geq function in jbd2_fc_begin_commit

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commit f0e3c14802515f60a47e6ef347ea59c2733402aa upstream.

Use tid_geq to compare tids to work over sequence number wraps.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Cc: stable@kernel.org
Link: https://patch.msgid.link/20240801013815.2393869-2-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kemeng Shi 2024-08-01 09:38:08 +08:00 committed by Ksawlii
parent 7477cade32
commit b9329bdfe6
1 changed files with 1 additions and 1 deletions
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2
fs/jbd2/journal.c
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@ -740,7 +740,7 @@ 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;
}