Re: [PATCH 1/7] jbd2: correctly compare tids with tid_geq function in jbd2_fc_begin_commit

From: Zhang Yi
Date: Tue Jul 30 2024 - 23:25:03 EST


On 2024/7/30 19:33, Kemeng Shi wrote:
> Use tid_geq to compare tids to work over sequence number wraps.
>
> Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>

Looks good to me.

Reviewed-by: Zhang Yi <yi.zhang@xxxxxxxxxx>

> ---
> 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 1ebf2393bfb7..da5a56d700f1 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;
> }
>