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authorMike Snitzer <snitzer@redhat.com>2019-02-20 15:37:44 -0500
committerMike Snitzer <snitzer@redhat.com>2019-03-05 14:48:50 -0500
commite689fbab3ddd92557134ef92c40a780a33299d05 (patch)
tree6db3ae786cee18cdc8ca7cd2a39bdf86bbcb75f2 /drivers/md/dm.c
parent61697a6abd24acba941359c6268a94f4afe4a53d (diff)
dm: remove unused _rq_tio_cache and _rq_cache
Also move dm_rq_target_io structure definition from dm-rq.h to dm-rq.c Fixes: 6a23e05c2fe3c6 ("dm: remove legacy request-based IO path") Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r--drivers/md/dm.c22
1 files changed, 2 insertions, 20 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 55f12df3589d..d8a844c522e6 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -158,9 +158,6 @@ struct table_device {
struct dm_dev dm_dev;
};
-static struct kmem_cache *_rq_tio_cache;
-static struct kmem_cache *_rq_cache;
-
/*
* Bio-based DM's mempools' reserved IOs set by the user.
*/
@@ -222,20 +219,11 @@ static unsigned dm_get_numa_node(void)
static int __init local_init(void)
{
- int r = -ENOMEM;
-
- _rq_tio_cache = KMEM_CACHE(dm_rq_target_io, 0);
- if (!_rq_tio_cache)
- return r;
-
- _rq_cache = kmem_cache_create("dm_old_clone_request", sizeof(struct request),
- __alignof__(struct request), 0, NULL);
- if (!_rq_cache)
- goto out_free_rq_tio_cache;
+ int r;
r = dm_uevent_init();
if (r)
- goto out_free_rq_cache;
+ return r;
deferred_remove_workqueue = alloc_workqueue("kdmremove", WQ_UNBOUND, 1);
if (!deferred_remove_workqueue) {
@@ -257,10 +245,6 @@ out_free_workqueue:
destroy_workqueue(deferred_remove_workqueue);
out_uevent_exit:
dm_uevent_exit();
-out_free_rq_cache:
- kmem_cache_destroy(_rq_cache);
-out_free_rq_tio_cache:
- kmem_cache_destroy(_rq_tio_cache);
return r;
}
@@ -270,8 +254,6 @@ static void local_exit(void)
flush_scheduled_work();
destroy_workqueue(deferred_remove_workqueue);
- kmem_cache_destroy(_rq_cache);
- kmem_cache_destroy(_rq_tio_cache);
unregister_blkdev(_major, _name);
dm_uevent_exit();