diff options
author | David S. Miller <davem@davemloft.net> | 2011-10-07 13:38:43 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2011-10-07 13:38:43 -0400 |
commit | 88c5100c28b02c4b2b2c6f6fafbbd76d90f698b9 (patch) | |
tree | 08c4399e0341f7eb0ccb24e15f2cab687275c2a4 /block/blk-core.c | |
parent | 8083f0fc969d9b5353061a7a6f963405057e26b1 (diff) | |
parent | 3ee72ca99288f1de95ec9c570e43f531c8799f06 (diff) |
Merge branch 'master' of github.com:davem330/net
Conflicts:
net/batman-adv/soft-interface.c
Diffstat (limited to 'block/blk-core.c')
-rw-r--r-- | block/blk-core.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index b2ed78afd9f0..d34433ae7917 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -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); } |