bio_slab
struct bio_slab *bslab;
struct bio_slab *bslab = NULL;
WARN_ON_ONCE(bslab->slab != bs->bio_slab);
if (bs->bio_slab)
bs->bio_slab = NULL;
bs->bio_slab = bio_find_or_create_slab(bs);
if (!bs->bio_slab)
if (mempool_init_slab_pool(&bs->bio_pool, pool_size, bs->bio_slab))
static struct bio_slab *create_bio_slab(unsigned int size)
struct bio_slab *bslab = kzalloc_obj(*bslab);
struct kmem_cache *bio_slab;
return bs->bio_slab != NULL;