diff mbox series

[11/12] block: do more work in elevator_exit

Message ID 20220222141450.591193-12-hch@lst.de
State Superseded
Headers show
Series [01/12] blk-mq: do not include passthrough requests in I/O accounting | expand

Commit Message

Christoph Hellwig Feb. 22, 2022, 2:14 p.m. UTC 
Move the calls to ioc_clear_queue and blk_mq_sched_free_rqs into
elevator_exit.  Except for one call where we know we can't have io_cq
structures yet these always go together, and that extra call in an
error path is harmless.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 block/elevator.c | 7 +++----
 block/genhd.c    | 3 ---
 2 files changed, 3 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/block/elevator.c b/block/elevator.c
index 6847ab6e7aa50..4664cae50da86 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -192,6 +192,9 @@  void elevator_exit(struct request_queue *q)
 {
 	struct elevator_queue *e = q->elevator;
 
+	ioc_clear_queue(q);
+	blk_mq_sched_free_rqs(q);
+
 	mutex_lock(&e->sysfs_lock);
 	blk_mq_exit_sched(q, e);
 	mutex_unlock(&e->sysfs_lock);
@@ -595,9 +598,6 @@  int elevator_switch_mq(struct request_queue *q,
 	if (q->elevator) {
 		if (q->elevator->registered)
 			elv_unregister_queue(q);
-
-		ioc_clear_queue(q);
-		blk_mq_sched_free_rqs(q);
 		elevator_exit(q);
 	}
 
@@ -608,7 +608,6 @@  int elevator_switch_mq(struct request_queue *q,
 	if (new_e) {
 		ret = elv_register_queue(q, true);
 		if (ret) {
-			blk_mq_sched_free_rqs(q);
 			elevator_exit(q);
 			goto out;
 		}
diff --git a/block/genhd.c b/block/genhd.c
index 40ef013382872..40edff4331758 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1110,10 +1110,7 @@  static void blk_mq_release_queue(struct request_queue *q)
 	 * cgroup controller.
 	 */
 	if (q->elevator) {
-		ioc_clear_queue(q);
-
 		mutex_lock(&q->sysfs_lock);
-		blk_mq_sched_free_rqs(q);
 		elevator_exit(q);
 		mutex_unlock(&q->sysfs_lock);
 	}