diff mbox series

[08/30] scsi: provide mq_ops->busy() hook

Message ID 20181031175922.8849-9-axboe@kernel.dk
State Not Applicable
Delegated to: David Miller
Headers show
Series blk-mq driver conversions and legacy path removal | expand

Commit Message

Jens Axboe Oct. 31, 2018, 5:59 p.m. UTC 
Only the SCSI legacy path provides a way to check if target is
currently busy, provide the same for the MQ path.

Cc: linux-scsi@vger.kernel.org
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/scsi/scsi_lib.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Martin K. Petersen Nov. 7, 2018, 2 a.m. UTC | #1 
Jens,

> Only the SCSI legacy path provides a way to check if target is
> currently busy, provide the same for the MQ path.

Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
diff mbox series

Patch

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index c7fccbb8f554..8b0345924a92 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1675,6 +1675,11 @@  static int scsi_lld_busy(struct request_queue *q)
 	return 0;
 }
 
+static bool scsi_mq_lld_busy(struct request_queue *q)
+{
+	return scsi_lld_busy(q);
+}
+
 /*
  * Kill a request for a dead device
  */
@@ -2326,6 +2331,7 @@  static const struct blk_mq_ops scsi_mq_ops = {
 	.init_request	= scsi_mq_init_request,
 	.exit_request	= scsi_mq_exit_request,
 	.initialize_rq_fn = scsi_initialize_rq,
+	.busy		= scsi_mq_lld_busy,
 	.map_queues	= scsi_map_queues,
 };