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Diffstat (limited to 'fs/bio.c')
-rw-r--r--fs/bio.c25
1 files changed, 6 insertions, 19 deletions
diff --git a/fs/bio.c b/fs/bio.c
index 73e664c01d3..eb8fbc53f2c 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -30,7 +30,7 @@
#define BIO_POOL_SIZE 256
-static kmem_cache_t *bio_slab;
+static kmem_cache_t *bio_slab __read_mostly;
#define BIOVEC_NR_POOLS 6
@@ -39,7 +39,7 @@ static kmem_cache_t *bio_slab;
* basically we just need to survive
*/
#define BIO_SPLIT_ENTRIES 8
-mempool_t *bio_split_pool;
+mempool_t *bio_split_pool __read_mostly;
struct biovec_slab {
int nr_vecs;
@@ -1125,16 +1125,6 @@ struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors)
return bp;
}
-static void *bio_pair_alloc(gfp_t gfp_flags, void *data)
-{
- return kmalloc(sizeof(struct bio_pair), gfp_flags);
-}
-
-static void bio_pair_free(void *bp, void *data)
-{
- kfree(bp);
-}
-
/*
* create memory pools for biovec's in a bio_set.
@@ -1151,8 +1141,7 @@ static int biovec_create_pools(struct bio_set *bs, int pool_entries, int scale)
if (i >= scale)
pool_entries >>= 1;
- *bvp = mempool_create(pool_entries, mempool_alloc_slab,
- mempool_free_slab, bp->slab);
+ *bvp = mempool_create_slab_pool(pool_entries, bp->slab);
if (!*bvp)
return -ENOMEM;
}
@@ -1189,9 +1178,7 @@ struct bio_set *bioset_create(int bio_pool_size, int bvec_pool_size, int scale)
if (!bs)
return NULL;
- bs->bio_pool = mempool_create(bio_pool_size, mempool_alloc_slab,
- mempool_free_slab, bio_slab);
-
+ bs->bio_pool = mempool_create_slab_pool(bio_pool_size, bio_slab);
if (!bs->bio_pool)
goto bad;
@@ -1254,8 +1241,8 @@ static int __init init_bio(void)
if (!fs_bio_set)
panic("bio: can't allocate bios\n");
- bio_split_pool = mempool_create(BIO_SPLIT_ENTRIES,
- bio_pair_alloc, bio_pair_free, NULL);
+ bio_split_pool = mempool_create_kmalloc_pool(BIO_SPLIT_ENTRIES,
+ sizeof(struct bio_pair));
if (!bio_split_pool)
panic("bio: can't create split pool\n");