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-rw-r--r--block/blk-sysfs.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 3aa5b195f4dd..4f8c4d90ec73 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -7,6 +7,7 @@
#include <linux/bio.h>
#include <linux/blkdev.h>
#include <linux/blktrace_api.h>
+#include <linux/blk-mq.h>
#include "blk.h"
#include "blk-cgroup.h"
@@ -542,6 +543,11 @@ static void blk_release_queue(struct kobject *kobj)
if (q->queue_tags)
__blk_queue_free_tags(q);
+ percpu_counter_destroy(&q->mq_usage_counter);
+
+ if (q->mq_ops)
+ blk_mq_free_queue(q);
+
blk_trace_shutdown(q);
bdi_destroy(&q->backing_dev_info);
@@ -575,6 +581,7 @@ int blk_register_queue(struct gendisk *disk)
* bypass from queue allocation.
*/
blk_queue_bypass_end(q);
+ queue_flag_set_unlocked(QUEUE_FLAG_INIT_DONE, q);
ret = blk_trace_init_sysfs(dev);
if (ret)
@@ -588,6 +595,9 @@ int blk_register_queue(struct gendisk *disk)
kobject_uevent(&q->kobj, KOBJ_ADD);
+ if (q->mq_ops)
+ blk_mq_register_disk(disk);
+
if (!q->request_fn)
return 0;
@@ -610,6 +620,9 @@ void blk_unregister_queue(struct gendisk *disk)
if (WARN_ON(!q))
return;
+ if (q->mq_ops)
+ blk_mq_unregister_disk(disk);
+
if (q->request_fn)
elv_unregister_queue(q);