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path: root/drivers/block/virtio_blk.c
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Diffstat (limited to 'drivers/block/virtio_blk.c')
-rw-r--r--drivers/block/virtio_blk.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 086c6bb12baa..912c4265e592 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -214,6 +214,20 @@ static void virtblk_done(struct virtqueue *vq)
spin_unlock_irqrestore(&vblk->vqs[qid].lock, flags);
}
+static void virtio_commit_rqs(struct blk_mq_hw_ctx *hctx)
+{
+ struct virtio_blk *vblk = hctx->queue->queuedata;
+ struct virtio_blk_vq *vq = &vblk->vqs[hctx->queue_num];
+ bool kick;
+
+ spin_lock_irq(&vq->lock);
+ kick = virtqueue_kick_prepare(vq->vq);
+ spin_unlock_irq(&vq->lock);
+
+ if (kick)
+ virtqueue_notify(vq->vq);
+}
+
static blk_status_t virtio_queue_rq(struct blk_mq_hw_ctx *hctx,
const struct blk_mq_queue_data *bd)
{
@@ -624,7 +638,7 @@ static int virtblk_map_queues(struct blk_mq_tag_set *set)
{
struct virtio_blk *vblk = set->driver_data;
- return blk_mq_virtio_map_queues(set, vblk->vdev, 0);
+ return blk_mq_virtio_map_queues(&set->map[0], vblk->vdev, 0);
}
#ifdef CONFIG_VIRTIO_BLK_SCSI
@@ -638,6 +652,7 @@ static void virtblk_initialize_rq(struct request *req)
static const struct blk_mq_ops virtio_mq_ops = {
.queue_rq = virtio_queue_rq,
+ .commit_rqs = virtio_commit_rqs,
.complete = virtblk_request_done,
.init_request = virtblk_init_request,
#ifdef CONFIG_VIRTIO_BLK_SCSI