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authorKent Overstreet <kent.overstreet@gmail.com>2018-05-21 01:25:53 +0300
committerJens Axboe <axboe@kernel.dk>2018-05-31 00:33:32 +0300
commit6f1c819c219f7841079f0f43ab62727a55b0d849 (patch)
tree1e0b17e1d3a12f3e0a36184779faea735f365139 /drivers/md/dm-bio-prison-v2.c
parentafeee514ce7f4cab605beedd03be71ebaf0c5fc8 (diff)
downloadlinux-6f1c819c219f7841079f0f43ab62727a55b0d849.tar.xz
dm: convert to bioset_init()/mempool_init()
Convert dm to embedded bio sets. Acked-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/dm-bio-prison-v2.c')
-rw-r--r--drivers/md/dm-bio-prison-v2.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/md/dm-bio-prison-v2.c b/drivers/md/dm-bio-prison-v2.c
index 8ce3a1a588cf..601b1569206a 100644
--- a/drivers/md/dm-bio-prison-v2.c
+++ b/drivers/md/dm-bio-prison-v2.c
@@ -21,7 +21,7 @@ struct dm_bio_prison_v2 {
struct workqueue_struct *wq;
spinlock_t lock;
- mempool_t *cell_pool;
+ mempool_t cell_pool;
struct rb_root cells;
};
@@ -36,6 +36,7 @@ static struct kmem_cache *_cell_cache;
struct dm_bio_prison_v2 *dm_bio_prison_create_v2(struct workqueue_struct *wq)
{
struct dm_bio_prison_v2 *prison = kmalloc(sizeof(*prison), GFP_KERNEL);
+ int ret;
if (!prison)
return NULL;
@@ -43,8 +44,8 @@ struct dm_bio_prison_v2 *dm_bio_prison_create_v2(struct workqueue_struct *wq)
prison->wq = wq;
spin_lock_init(&prison->lock);
- prison->cell_pool = mempool_create_slab_pool(MIN_CELLS, _cell_cache);
- if (!prison->cell_pool) {
+ ret = mempool_init_slab_pool(&prison->cell_pool, MIN_CELLS, _cell_cache);
+ if (ret) {
kfree(prison);
return NULL;
}
@@ -57,21 +58,21 @@ EXPORT_SYMBOL_GPL(dm_bio_prison_create_v2);
void dm_bio_prison_destroy_v2(struct dm_bio_prison_v2 *prison)
{
- mempool_destroy(prison->cell_pool);
+ mempool_exit(&prison->cell_pool);
kfree(prison);
}
EXPORT_SYMBOL_GPL(dm_bio_prison_destroy_v2);
struct dm_bio_prison_cell_v2 *dm_bio_prison_alloc_cell_v2(struct dm_bio_prison_v2 *prison, gfp_t gfp)
{
- return mempool_alloc(prison->cell_pool, gfp);
+ return mempool_alloc(&prison->cell_pool, gfp);
}
EXPORT_SYMBOL_GPL(dm_bio_prison_alloc_cell_v2);
void dm_bio_prison_free_cell_v2(struct dm_bio_prison_v2 *prison,
struct dm_bio_prison_cell_v2 *cell)
{
- mempool_free(cell, prison->cell_pool);
+ mempool_free(cell, &prison->cell_pool);
}
EXPORT_SYMBOL_GPL(dm_bio_prison_free_cell_v2);