diff options
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/block/elevator.c b/block/elevator.c index 3536cdd5fa12..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); @@ -596,7 +598,7 @@ int elevator_switch_mq(struct request_queue *q, ioc_clear_queue(q); blk_mq_sched_free_rqs(q); - elevator_exit(q, q->elevator); + elevator_exit(q); } ret = blk_mq_init_sched(q, new_e); @@ -607,7 +609,7 @@ int elevator_switch_mq(struct request_queue *q, ret = elv_register_queue(q, true); if (ret) { blk_mq_sched_free_rqs(q); - elevator_exit(q, q->elevator); + elevator_exit(q); goto out; } } |