Re: [PATCH v2 03/14] block: Add bio_clone_bioset()

From: Vivek Goyal
Date: Thu May 24 2012 - 14:45:25 EST


On Wed, May 23, 2012 at 05:02:40PM -0700, Kent Overstreet wrote:

[..]
> --- a/drivers/md/dm.c
> +++ b/drivers/md/dm.c
> @@ -1062,26 +1062,19 @@ static struct bio *split_bvec(struct bio *bio, sector_t sector,
> * Creates a bio that consists of range of complete bvecs.
> */
> static struct bio *clone_bio(struct bio *bio, sector_t sector,
> - unsigned short idx, unsigned short bv_count,
> + unsigned short bv_count,
> unsigned int len, struct bio_set *bs)
> {
> struct bio *clone;
>
> - clone = bio_alloc_bioset(GFP_NOIO, bio->bi_max_vecs, bs);
> - __bio_clone(clone, bio);
> + clone = bio_clone_bioset(bio, GFP_NOIO, bs);
> clone->bi_sector = sector;
> - clone->bi_idx = idx;
> - clone->bi_vcnt = idx + bv_count;
> + clone->bi_vcnt = bv_count;

In last posting you said that you are going to backout this idx change
because you were not sure if it is correct.

Thanks
Vivek
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