From 6f1c819c219f7841079f0f43ab62727a55b0d849 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Sun, 20 May 2018 18:25:53 -0400 Subject: dm: convert to bioset_init()/mempool_init() Convert dm to embedded bio sets. Acked-by: Mike Snitzer Signed-off-by: Kent Overstreet Signed-off-by: Jens Axboe --- drivers/md/dm-snap.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) (limited to 'drivers/md/dm-snap.c') diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 216035be5661..b11ddc55f297 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -87,7 +87,7 @@ struct dm_snapshot { */ struct list_head out_of_order_list; - mempool_t *pending_pool; + mempool_t pending_pool; struct dm_exception_table pending; struct dm_exception_table complete; @@ -682,7 +682,7 @@ static void free_completed_exception(struct dm_exception *e) static struct dm_snap_pending_exception *alloc_pending_exception(struct dm_snapshot *s) { - struct dm_snap_pending_exception *pe = mempool_alloc(s->pending_pool, + struct dm_snap_pending_exception *pe = mempool_alloc(&s->pending_pool, GFP_NOIO); atomic_inc(&s->pending_exceptions_count); @@ -695,7 +695,7 @@ static void free_pending_exception(struct dm_snap_pending_exception *pe) { struct dm_snapshot *s = pe->snap; - mempool_free(pe, s->pending_pool); + mempool_free(pe, &s->pending_pool); smp_mb__before_atomic(); atomic_dec(&s->pending_exceptions_count); } @@ -1196,10 +1196,9 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad_kcopyd; } - s->pending_pool = mempool_create_slab_pool(MIN_IOS, pending_cache); - if (!s->pending_pool) { + r = mempool_init_slab_pool(&s->pending_pool, MIN_IOS, pending_cache); + if (r) { ti->error = "Could not allocate mempool for pending exceptions"; - r = -ENOMEM; goto bad_pending_pool; } @@ -1259,7 +1258,7 @@ bad_read_metadata: unregister_snapshot(s); bad_load_and_register: - mempool_destroy(s->pending_pool); + mempool_exit(&s->pending_pool); bad_pending_pool: dm_kcopyd_client_destroy(s->kcopyd_client); @@ -1355,7 +1354,7 @@ static void snapshot_dtr(struct dm_target *ti) while (atomic_read(&s->pending_exceptions_count)) msleep(1); /* - * Ensure instructions in mempool_destroy aren't reordered + * Ensure instructions in mempool_exit aren't reordered * before atomic_read. */ smp_mb(); @@ -1367,7 +1366,7 @@ static void snapshot_dtr(struct dm_target *ti) __free_exceptions(s); - mempool_destroy(s->pending_pool); + mempool_exit(&s->pending_pool); dm_exception_store_destroy(s->store); -- cgit v1.2.3