Messages in this thread Patch in this message | | | From | Ming Lei <> | Subject | [PATCH 6/6] blk-mq: don't copy pdu any more for flush req | Date | Sun, 7 Sep 2014 16:39:22 +0800 |
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The in-tree drivers which need to handle flush request have implemented init_flush_rq already, so don't copy pdu any more for flush req.
Signed-off-by: Ming Lei <ming.lei@canonical.com> --- block/blk-mq.c | 7 ------- 1 file changed, 7 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c index 113d58d..16f595f 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -287,15 +287,8 @@ void blk_mq_free_request(struct request *rq) void blk_mq_clone_flush_request(struct request *flush_rq, struct request *orig_rq) { - struct blk_mq_hw_ctx *hctx = - orig_rq->q->mq_ops->map_queue(orig_rq->q, orig_rq->mq_ctx->cpu); - flush_rq->mq_ctx = orig_rq->mq_ctx; flush_rq->tag = orig_rq->tag; - - if (!orig_rq->q->mq_ops->init_flush_rq) - memcpy(blk_mq_rq_to_pdu(flush_rq), - blk_mq_rq_to_pdu(orig_rq), hctx->cmd_size); } inline void __blk_mq_end_io(struct request *rq, int error) -- 1.7.9.5
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