__blk_put_request needs to call into the blk-mq code just like blk_put_request. As we don't have the queue lock in this case both end up calling the same function. Signed-off-by: Christoph Hellwig --- block/blk-core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/block/blk-core.c b/block/blk-core.c index c00e0bd..06636f3 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1278,6 +1278,11 @@ void __blk_put_request(struct request_queue *q, struct request *req) if (unlikely(!q)) return; + if (q->mq_ops) { + blk_mq_free_request(req); + return; + } + blk_pm_put_request(req); elv_completed_request(q, req); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/