Re: [PATCH v3 2/3] fs: direct-io: call .bi_end_io via bio_endio()

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On Thu, Apr 28, 2016 at 09:09:48AM +0800, Ming Lei wrote:
> bio_endio() is the graceful way to complete one bio.



> 
> Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
> ---
>  fs/direct-io.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/fs/direct-io.c b/fs/direct-io.c
> index a8dd60a..0a35e51 100644
> --- a/fs/direct-io.c
> +++ b/fs/direct-io.c
> @@ -350,15 +350,10 @@ static void dio_bio_end_io(struct bio *bio)
>   */
>  void dio_end_io(struct bio *bio, int error)
>  {
> -	struct dio *dio = bio->bi_private;
> -
>  	if (!bio->bi_error)
>  		bio->bi_error = error;
>  
> -	if (dio->is_async)
> -		dio_bio_end_aio(bio);
> -	else
> -		dio_bio_end_io(bio);
> +	bio_endio(bio);
>  }
>  EXPORT_SYMBOL_GPL(dio_end_io);

dio_end_io is only used by btrfs.  So instead of this and the previous
patch you should just open code the error assignment and call to
bio_endio in btrfs.
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