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bio: move the slab pointer inside the bio_set 

In preparation for adding differently sized bios.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2008-10-22 20:32:58 +02:00
parent 7ff9345ffa
commit 1b43449869
2 changed files with 6 additions and 2 deletions
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7
fs/bio.c
View File

@ -1404,12 +1404,15 @@ void bioset_free(struct bio_set *bs)
struct bio_set *bioset_create(int bio_pool_size, int bvec_pool_size)
{
struct bio_set *bs = kzalloc(sizeof(*bs), GFP_KERNEL);
struct bio_set *bs;
bs = kzalloc(sizeof(*bs), GFP_KERNEL);
if (!bs)
return NULL;
bs->bio_pool = mempool_create_slab_pool(bio_pool_size, bio_slab);
bs->bio_slab = bio_slab;
bs->bio_pool = mempool_create_slab_pool(bio_pool_size, bs->bio_slab);
if (!bs->bio_pool)
goto bad;

1
include/linux/bio.h
View File

@ -400,6 +400,7 @@ static inline void bio_set_completion_cpu(struct bio *bio, unsigned int cpu)
#define BIOVEC_MAX_IDX (BIOVEC_NR_POOLS - 1)
struct bio_set {
struct kmem_cache *bio_slab;
mempool_t *bio_pool;
#if defined(CONFIG_BLK_DEV_INTEGRITY)
mempool_t *bio_integrity_pool;