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block: Convert bio_set to mempool_init()

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Minor performance improvement by getting rid of pointer indirections
from allocation/freeing fastpaths.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Kent Overstreet 2018-05-08 21:33:50 -04:00 • committed by Jens Axboe
parent c1a67fefd0
commit 8aa6ba2f6e
3 changed files with 36 additions and 39 deletions
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10
include/linux/bio.h
View file

@ -412,7 +412,7 @@ enum {
BIOSET_NEED_RESCUER = BIT(1),
};
extern void bioset_free(struct bio_set *);
extern mempool_t *biovec_create_pool(int pool_entries);
extern int biovec_init_pool(mempool_t *pool, int pool_entries);
extern struct bio *bio_alloc_bioset(gfp_t, unsigned int, struct bio_set *);
extern void bio_put(struct bio *);
@ -722,11 +722,11 @@ struct bio_set {
struct kmem_cache *bio_slab;
unsigned int front_pad;
mempool_t *bio_pool;
mempool_t *bvec_pool;
mempool_t bio_pool;
mempool_t bvec_pool;
#if defined(CONFIG_BLK_DEV_INTEGRITY)
mempool_t *bio_integrity_pool;
mempool_t *bvec_integrity_pool;
mempool_t bio_integrity_pool;
mempool_t bvec_integrity_pool;
#endif
/*