Re: [RFC 4/9] ext4: Do not call FC trace event if FS does not support FC

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On Wed 23-02-22 02:04:12, Ritesh Harjani wrote:
> This just puts trace_ext4_fc_commit_start(sb) & ktime_get()
> for measuring FC commit time, after the check of whether sb
> supports JOURNAL_FAST_COMMIT or not.
> 
> 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 | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
> index bf70879bb4fe..7fb1eceef30c 100644
> --- a/fs/ext4/fast_commit.c
> +++ b/fs/ext4/fast_commit.c
> @@ -1167,13 +1167,13 @@ int ext4_fc_commit(journal_t *journal, tid_t commit_tid)
>  	int status = EXT4_FC_STATUS_OK, fc_bufs_before = 0;
>  	ktime_t start_time, commit_time;
>  
> +	if (!test_opt2(sb, JOURNAL_FAST_COMMIT))
> +		return jbd2_complete_transaction(journal, commit_tid);
> +
>  	trace_ext4_fc_commit_start(sb);
>  
>  	start_time = ktime_get();
>  
> -	if (!test_opt2(sb, JOURNAL_FAST_COMMIT))
> -		return jbd2_complete_transaction(journal, commit_tid);
> -
>  restart_fc:
>  	ret = jbd2_fc_begin_commit(journal, commit_tid);
>  	if (ret == -EALREADY) {
> -- 
> 2.31.1
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



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