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| author | Kent Overstreet <koverstreet@google.com> | 2012-09-06 15:35:02 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-09-09 10:35:39 +0200 |
| commit | bf800ef1816b4283a885e55ad38068aec9711e4d (patch) | |
| tree | c99cbe70b68ede65b478b3006a7ed7e34b453f3d /fs/bio.c | |
| parent | 3f86a82aeb03e6100f7ab39f4702e033a5e38166 (diff) | |
| download | linux-bf800ef1816b4283a885e55ad38068aec9711e4d.tar.gz linux-bf800ef1816b4283a885e55ad38068aec9711e4d.tar.bz2 linux-bf800ef1816b4283a885e55ad38068aec9711e4d.zip | |
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 'fs/bio.c')
| -rw-r--r-- | fs/bio.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -438,16 +438,19 @@ void __bio_clone(struct bio *bio, struct bio *bio_src) EXPORT_SYMBOL(__bio_clone); /** - * bio_clone - clone a bio + * bio_clone_bioset - clone a bio * @bio: bio to clone * @gfp_mask: allocation priority + * @bs: bio_set to allocate from * * Like __bio_clone, only also allocates the returned bio */ -struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask) +struct bio *bio_clone_bioset(struct bio *bio, gfp_t gfp_mask, + struct bio_set *bs) { - struct bio *b = bio_alloc(gfp_mask, bio->bi_max_vecs); + struct bio *b; + b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs, bs); if (!b) return NULL; @@ -466,7 +469,7 @@ struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask) return b; } -EXPORT_SYMBOL(bio_clone); +EXPORT_SYMBOL(bio_clone_bioset); /** * bio_get_nr_vecs - return approx number of vecs |