linux-kernel - Re: [PATCH 2/2] f2fs: fix the location of tracepoint

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Date:	Wed, 11 Dec 2013 16:07:58 +0900
From:	Jaegeuk Kim <jaegeuk.kim@...sung.com>
To:	linux-fsdevel@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [PATCH 2/2] f2fs: fix the location of tracepoint

Oops,
Please ignore the second patch.
Sorry for the noise.

2013-12-11 (수), 15:05 +0900, Jaegeuk Kim:
> We need to get a trace before submit_bio, since its bi_sector is remapped during
> the submit_bio.
> 
> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@...sung.com>
> ---
>  fs/f2fs/data.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index ebc9177..969df55 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -103,9 +103,10 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
>  
>  	rw = fio->rw | fio->rw_flag;
>  
> +	trace_f2fs_submit_write_bio(io->sbi->sb, rw, fio->type, io->bio);
> +
>  	if (is_read_io(rw)) {
>  		submit_bio(rw, io->bio);
> -		trace_f2fs_submit_read_bio(io->sbi->sb, rw, fio->type, io->bio);
>  		io->bio = NULL;
>  		return;
>  	}
> @@ -122,7 +123,6 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
>  	} else {
>  		submit_bio(rw, io->bio);
>  	}
> -	trace_f2fs_submit_write_bio(io->sbi->sb, rw, fio->type, io->bio);
>  	io->bio = NULL;
>  }
>  

-- 
Jaegeuk Kim
Samsung

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