Re: [PATCH v2 04/14] block: Add bio_clone_kmalloc()
From: Vivek Goyal <vgoyal@redhat.com>
Date: 2012-05-24 18:59:44
Also in:
dm-devel, linux-fsdevel, lkml
From: Vivek Goyal <vgoyal@redhat.com>
Date: 2012-05-24 18:59:44
Also in:
dm-devel, linux-fsdevel, lkml
On Wed, May 23, 2012 at 05:02:41PM -0700, Kent Overstreet wrote: [..]
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 013c7a5..5a953c6 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c@@ -729,7 +729,7 @@ static struct bio *bio_chain_clone(struct bio **old, struct bio **next, } while (old_chain && (total < len)) { - tmp = bio_kmalloc(gfpmask, old_chain->bi_max_vecs); + tmp = bio_clone_kmalloc(old_chain, gfpmask); if (!tmp) goto err_out;@@ -751,13 +751,9 @@ static struct bio *bio_chain_clone(struct bio **old, struct bio **next, if (!bp) goto err_out; - __bio_clone(tmp, &bp->bio1); - *next = &bp->bio2;
Is this code correct. Now original code might clone bio after split and new code will clone the original bio itself and not the split one? Thanks Vivek