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authorKent Overstreet <koverstreet@google.com>2012-09-06 15:35:02 -0700
committerJens Axboe <axboe@kernel.dk>2012-09-09 10:35:39 +0200
commitbf800ef1816b4283a885e55ad38068aec9711e4d (patch)
treec99cbe70b68ede65b478b3006a7ed7e34b453f3d /drivers/block/osdblk.c
parent3f86a82aeb03e6100f7ab39f4702e033a5e38166 (diff)
downloadlinux-bf800ef1816b4283a885e55ad38068aec9711e4d.tar.gz
block: Add bio_clone_bioset(), bio_clone_kmalloc()
Previously, there was bio_clone() but it only allocated from the fs bio
set; as a result various users were open coding it and using
__bio_clone().

This changes bio_clone() to become bio_clone_bioset(), and then we add
bio_clone() and bio_clone_kmalloc() as wrappers around it, making use of
the functionality the last patch adedd.

This will also help in a later patch changing how bio cloning works.

Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Jens Axboe <axboe@kernel.dk>
CC: NeilBrown <neilb@suse.de>
CC: Alasdair Kergon <agk@redhat.com>
CC: Boaz Harrosh <bharrosh@panasas.com>
CC: Jeff Garzik <jeff@garzik.org>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/osdblk.c')
-rw-r--r--drivers/block/osdblk.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/block/osdblk.c b/drivers/block/osdblk.c
index 87311ebac0db..1bbc681688e4 100644
--- a/drivers/block/osdblk.c
+++ b/drivers/block/osdblk.c
@@ -266,11 +266,10 @@ static struct bio *bio_chain_clone(struct bio *old_chain, gfp_t gfpmask)
 	struct bio *tmp, *new_chain = NULL, *tail = NULL;
 
 	while (old_chain) {
-		tmp = bio_kmalloc(gfpmask, old_chain->bi_max_vecs);
+		tmp = bio_clone_kmalloc(old_chain, gfpmask);
 		if (!tmp)
 			goto err_out;
 
-		__bio_clone(tmp, old_chain);
 		tmp->bi_bdev = NULL;
 		gfpmask &= ~__GFP_WAIT;
 		tmp->bi_next = NULL;