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....@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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