diff options
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/block/elevator.c b/block/elevator.c index 19a78d5516ba..ec98aed39c4f 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -188,8 +188,10 @@ static void elevator_release(struct kobject *kobj) kfree(e); } -void __elevator_exit(struct request_queue *q, struct elevator_queue *e) +void elevator_exit(struct request_queue *q) { + struct elevator_queue *e = q->elevator; + mutex_lock(&e->sysfs_lock); blk_mq_exit_sched(q, e); mutex_unlock(&e->sysfs_lock); @@ -595,7 +597,8 @@ int elevator_switch_mq(struct request_queue *q, elv_unregister_queue(q); ioc_clear_queue(q); - elevator_exit(q, q->elevator); + blk_mq_sched_free_rqs(q); + elevator_exit(q); } ret = blk_mq_init_sched(q, new_e); @@ -605,7 +608,8 @@ int elevator_switch_mq(struct request_queue *q, if (new_e) { ret = elv_register_queue(q, true); if (ret) { - elevator_exit(q, q->elevator); + blk_mq_sched_free_rqs(q); + elevator_exit(q); goto out; } } |