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Re: [dm-devel] [PATCH 03/13] block: Add bio_clone_bioset()



On Thu, May 17, 2012 at 10:59:50PM -0400, koverstreet google com wrote:

[..]
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index a5a524e..47605e7 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -178,23 +178,7 @@ struct bio *bio_clone_mddev(struct bio *bio, gfp_t gfp_mask,
>  	if (!mddev || !mddev->bio_set)
>  		return bio_clone(bio, gfp_mask);
>  
> -	b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs, mddev->bio_set);
> -	if (!b)
> -		return NULL;
> -
> -	__bio_clone(b, bio);
> -	if (bio_integrity(bio)) {
> -		int ret;
> -
> -		ret = bio_integrity_clone(b, bio, gfp_mask, mddev->bio_set);
> -
> -		if (ret < 0) {
> -			bio_put(b);
> -			return NULL;
> -		}
> -	}
> -
> -	return b;
> +	return bio_clone_bioset(gfp_mask, bio_segments(bio), mddev->bio_set);

Are we passing wrong arguments to bio_clone_bioset()?

Thanks
Vivek


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