diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-06-03 09:38:05 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-06-09 09:27:32 -0600 |
| commit | fc17b6534eb8395f0b3133eb31d87deec32c642b (patch) | |
| tree | 18686a2326ebd60d68f144c70f83f4441c6b4e2f /drivers/block/virtio_blk.c | |
| parent | 2a842acab109f40f0d7d10b38e9ca88390628996 (diff) | |
blk-mq: switch ->queue_rq return value to blk_status_t
Use the same values for use for request completion errors as the return
value from ->queue_rq. BLK_STS_RESOURCE is special cased to cause
a requeue, and all the others are completed as-is.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/virtio_blk.c')
| -rw-r--r-- | drivers/block/virtio_blk.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 205b74d70efc..e59bd4549a8a 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -214,7 +214,7 @@ 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, +static blk_status_t virtio_queue_rq(struct blk_mq_hw_ctx *hctx, const struct blk_mq_queue_data *bd) { struct virtio_blk *vblk = hctx->queue->queuedata; @@ -246,7 +246,7 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, break; default: WARN_ON_ONCE(1); - return BLK_MQ_RQ_QUEUE_ERROR; + return BLK_STS_IOERR; } vbr->out_hdr.type = cpu_to_virtio32(vblk->vdev, type); @@ -276,8 +276,8 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, /* Out of mem doesn't actually happen, since we fall back * to direct descriptors */ if (err == -ENOMEM || err == -ENOSPC) - return BLK_MQ_RQ_QUEUE_BUSY; - return BLK_MQ_RQ_QUEUE_ERROR; + return BLK_STS_RESOURCE; + return BLK_STS_IOERR; } if (bd->last && virtqueue_kick_prepare(vblk->vqs[qid].vq)) @@ -286,7 +286,7 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, if (notify) virtqueue_notify(vblk->vqs[qid].vq); - return BLK_MQ_RQ_QUEUE_OK; + return BLK_STS_OK; } /* return id (s/n) string for *disk to *id_str |