vdc_blk_queue_start() may be called from irq context, so we can't run
queue via blk_mq_start_hw_queues() since we never allow to run queue
from irq context. Use blk_mq_start_stopped_hw_queues(q, true) to fix
this issue.
Fixes: fa182a1fa97dff56cd ("sunvdc: convert to blk-mq")
Reported-by: Anatoly Pugachev <matorola@xxxxxxxxx>
Tested-by: Anatoly Pugachev <matorola@xxxxxxxxx>
Cc: Anatoly Pugachev <matorola@xxxxxxxxx>
Cc: David Miller <davem@xxxxxxxxxxxxx>
Cc: sparclinux@xxxxxxxxxxxxxxx
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
---
drivers/block/sunvdc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index 9c0553dd13e7..ab7f7ab4c472 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -181,7 +181,7 @@ static void vdc_blk_queue_start(struct vdc_port *port)
* allocated a disk.
*/
if (port->disk && vdc_tx_dring_avail(dr) * 100 / VDC_TX_RING_SIZE >= 50)
- blk_mq_start_hw_queues(port->disk->queue);
+ blk_mq_start_stopped_hw_queues(port->disk->queue, true);
}
static void vdc_finish(struct vio_driver_state *vio, int err, int waiting_for)
--
2.9.5
