Looks good.
Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@xxxxxxxxx>
- Harshad
On Wed, 23 Feb 2022 at 01:42, Jan Kara <jack@xxxxxxx> wrote:
>
> On Wed 23-02-22 02:04:13, Ritesh Harjani wrote:
> > This adds commit_tid argument in ext4_fc_update_stats()
> > so that we can add this information too in jbd_debug logs.
> > This is also required in a later patch to pass the commit_tid info in
> > ext4_fc_commit_start/stop() trace events.
> >
> > Signed-off-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxx>
>
> Looks good. Feel free to add:
>
> Reviewed-by: Jan Kara <jack@xxxxxxx>
>
> Honza
>
> > ---
> > fs/ext4/fast_commit.c | 15 +++++++++------
> > 1 file changed, 9 insertions(+), 6 deletions(-)
> >
> > diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
> > index 7fb1eceef30c..ee32aac0cbbf 100644
> > --- a/fs/ext4/fast_commit.c
> > +++ b/fs/ext4/fast_commit.c
> > @@ -1127,11 +1127,12 @@ static int ext4_fc_perform_commit(journal_t *journal)
> > }
> >
> > static void ext4_fc_update_stats(struct super_block *sb, int status,
> > - u64 commit_time, int nblks)
> > + u64 commit_time, int nblks, tid_t commit_tid)
> > {
> > struct ext4_fc_stats *stats = &EXT4_SB(sb)->s_fc_stats;
> >
> > - jbd_debug(1, "Fast commit ended with status = %d", status);
> > + jbd_debug(1, "Fast commit ended with status = %d for tid %u",
> > + status, commit_tid);
> > if (status == EXT4_FC_STATUS_OK) {
> > stats->fc_num_commits++;
> > stats->fc_numblks += nblks;
> > @@ -1181,14 +1182,16 @@ int ext4_fc_commit(journal_t *journal, tid_t commit_tid)
> > if (atomic_read(&sbi->s_fc_subtid) <= subtid &&
> > commit_tid > journal->j_commit_sequence)
> > goto restart_fc;
> > - ext4_fc_update_stats(sb, EXT4_FC_STATUS_SKIPPED, 0, 0);
> > + ext4_fc_update_stats(sb, EXT4_FC_STATUS_SKIPPED, 0, 0,
> > + commit_tid);
> > return 0;
> > } else if (ret) {
> > /*
> > * Commit couldn't start. Just update stats and perform a
> > * full commit.
> > */
> > - ext4_fc_update_stats(sb, EXT4_FC_STATUS_FAILED, 0, 0);
> > + ext4_fc_update_stats(sb, EXT4_FC_STATUS_FAILED, 0, 0,
> > + commit_tid);
> > return jbd2_complete_transaction(journal, commit_tid);
> > }
> >
> > @@ -1220,12 +1223,12 @@ int ext4_fc_commit(journal_t *journal, tid_t commit_tid)
> > * don't react too strongly to vast changes in the commit time
> > */
> > commit_time = ktime_to_ns(ktime_sub(ktime_get(), start_time));
> > - ext4_fc_update_stats(sb, status, commit_time, nblks);
> > + ext4_fc_update_stats(sb, status, commit_time, nblks, commit_tid);
> > return ret;
> >
> > fallback:
> > ret = jbd2_fc_end_commit_fallback(journal);
> > - ext4_fc_update_stats(sb, status, 0, 0);
> > + ext4_fc_update_stats(sb, status, 0, 0, commit_tid);
> > return ret;
> > }
> >
> > --
> > 2.31.1
> >
> --
> Jan Kara <jack@xxxxxxxx>
> SUSE Labs, CR
