From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heinz Graalfs Subject: [PATCH RFC 6/7] virtio_blk: set request queue as dying in case virtqueue is broken Date: Tue, 22 Oct 2013 14:45:10 +0200 Message-ID: <1382445911-55657-7-git-send-email-graalfs@linux.vnet.ibm.com> References: <1382445911-55657-1-git-send-email-graalfs@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1382445911-55657-1-git-send-email-graalfs@linux.vnet.ibm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: rusty@rustcorp.com.au, mst@redhat.com, virtualization@lists.linux-foundation.org Cc: borntraeger@de.ibm.com List-Id: virtualization@lists.linuxfoundation.org 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 --- 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