The request queue should be flagged as QUEUE_FLAG_DYING in case the host
kick failed for a new virtqueue request.
Signed-off-by: Heinz Graalfs <graalfs@xxxxxxxxxxxxxxxxxx>
---
drivers/block/virtio_blk.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index a787e6e..01b5d3a 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -377,8 +377,14 @@ static void virtblk_request(struct request_queue *q)
issued++;
}
- if (issued)
+ if (issued) {
virtqueue_kick(vblk->vq);
+ if (virtqueue_is_broken(vblk->vq)) {
+ mutex_lock(&q->sysfs_lock);
+ queue_flag_set_unlocked(QUEUE_FLAG_DYING, q);
+ mutex_unlock(&q->sysfs_lock);
+ }
+ }
}
static void virtblk_make_request(struct request_queue *q, struct bio *bio)
--
1.8.3.1
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