From 51d654e1d885607a6edd02b337105fa5c28b6d33 Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Tue, 17 Jun 2008 18:59:56 +0200 Subject: block: Globalize bio_set and bio_vec_slab Move struct bio_set and biovec_slab definitions to bio.h so they can be used outside of bio.c. Signed-off-by: Martin K. Petersen Reviewed-by: Jeff Moyer Signed-off-by: Jens Axboe --- fs/bio.c | 30 ++---------------------------- 1 file changed, 2 insertions(+), 28 deletions(-) (limited to 'fs/bio.c') diff --git a/fs/bio.c b/fs/bio.c index 78562574cb5..7a6598abc96 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -28,25 +28,10 @@ #include #include /* for struct sg_iovec */ -#define BIO_POOL_SIZE 2 - static struct kmem_cache *bio_slab __read_mostly; -#define BIOVEC_NR_POOLS 6 - -/* - * a small number of entries is fine, not going to be performance critical. - * basically we just need to survive - */ -#define BIO_SPLIT_ENTRIES 2 mempool_t *bio_split_pool __read_mostly; -struct biovec_slab { - int nr_vecs; - char *name; - struct kmem_cache *slab; -}; - /* * if you change this list, also change bvec_alloc or things will * break badly! cannot be bigger than what you can fit into an @@ -59,24 +44,13 @@ static struct biovec_slab bvec_slabs[BIOVEC_NR_POOLS] __read_mostly = { }; #undef BV -/* - * bio_set is used to allow other portions of the IO system to - * allocate their own private memory pools for bio and iovec structures. - * These memory pools in turn all allocate from the bio_slab - * and the bvec_slabs[]. - */ -struct bio_set { - mempool_t *bio_pool; - mempool_t *bvec_pools[BIOVEC_NR_POOLS]; -}; - /* * fs_bio_set is the bio_set containing bio and iovec memory pools used by * IO code that does not need private memory pools. */ -static struct bio_set *fs_bio_set; +struct bio_set *fs_bio_set; -static inline struct bio_vec *bvec_alloc_bs(gfp_t gfp_mask, int nr, unsigned long *idx, struct bio_set *bs) +struct bio_vec *bvec_alloc_bs(gfp_t gfp_mask, int nr, unsigned long *idx, struct bio_set *bs) { struct bio_vec *bvl; -- cgit v1.2.3