Commit c54a06d4 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.dk/linux-block

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: Free queue resources at blk_release_queue()
parents e689ec80 777eb1bf
Loading
Loading
Loading
Loading
+6 −7
Original line number Diff line number Diff line
@@ -348,9 +348,10 @@ void blk_put_queue(struct request_queue *q)
EXPORT_SYMBOL(blk_put_queue);

/*
 * Note: If a driver supplied the queue lock, it should not zap that lock
 * unexpectedly as some queue cleanup components like elevator_exit() and
 * blk_throtl_exit() need queue lock.
 * Note: If a driver supplied the queue lock, it is disconnected
 * by this function. The actual state of the lock doesn't matter
 * here as the request_queue isn't accessible after this point
 * (QUEUE_FLAG_DEAD is set) and no other requests will be queued.
 */
void blk_cleanup_queue(struct request_queue *q)
{
@@ -367,10 +368,8 @@ void blk_cleanup_queue(struct request_queue *q)
	queue_flag_set_unlocked(QUEUE_FLAG_DEAD, q);
	mutex_unlock(&q->sysfs_lock);

	if (q->elevator)
		elevator_exit(q->elevator);

	blk_throtl_exit(q);
	if (q->queue_lock != &q->__queue_lock)
		q->queue_lock = &q->__queue_lock;

	blk_put_queue(q);
}
+5 −0
Original line number Diff line number Diff line
@@ -479,6 +479,11 @@ static void blk_release_queue(struct kobject *kobj)

	blk_sync_queue(q);

	if (q->elevator)
		elevator_exit(q->elevator);

	blk_throtl_exit(q);

	if (rl->rq_pool)
		mempool_destroy(rl->rq_pool);