blk-mq: add a 'list' parameter to ->queue_rq()

[linux-drm-fsl-dcu.git] / drivers / block / virtio_blk.c

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 930fee886917364eba53b35fa8c25079fcda25ff..cecd3f983e493d7582a53f85b02d5ffef8955a4b 100644 (file)
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -129,7 +129,7 @@ static inline void virtblk_request_done(struct request *req)
                req->errors = (error != 0);
        }
 
-       blk_mq_end_io(req, error);
+       blk_mq_end_request(req, error);
 }
 
 static void virtblk_done(struct virtqueue *vq)
@@ -158,14 +158,15 @@ static void virtblk_done(struct virtqueue *vq)
        spin_unlock_irqrestore(&vblk->vqs[qid].lock, flags);
 }
 
-static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req)
+static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx,
+                          const struct blk_mq_queue_data *bd)
 {
        struct virtio_blk *vblk = hctx->queue->queuedata;
+       struct request *req = bd->rq;
        struct virtblk_req *vbr = blk_mq_rq_to_pdu(req);
        unsigned long flags;
        unsigned int num;
        int qid = hctx->queue_num;
-       const bool last = (req->cmd_flags & REQ_END) != 0;
        int err;
        bool notify = false;
 
@@ -199,6 +200,8 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req)
                }
        }
 
+       blk_mq_start_request(req);
+
        num = blk_rq_map_sg(hctx->queue, vbr->req, vbr->sg);
        if (num) {
                if (rq_data_dir(vbr->req) == WRITE)
@@ -220,7 +223,7 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req)
                return BLK_MQ_RQ_QUEUE_ERROR;
        }
 
-       if (last && virtqueue_kick_prepare(vblk->vqs[qid].vq))
+       if (bd->last && virtqueue_kick_prepare(vblk->vqs[qid].vq))
                notify = true;
        spin_unlock_irqrestore(&vblk->vqs[qid].lock, flags);