Make the quiesce state visible to the block layer for the next
patch in this series.
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx>
Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Cc: Ming Lei <ming.lei@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Hannes Reinecke <hare@xxxxxxxx>
Cc: Johannes Thumshirn <jthumshirn@xxxxxxx>
---
drivers/scsi/scsi_lib.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index c261498606c4..309369d8fe01 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2932,6 +2932,8 @@ scsi_device_quiesce(struct scsi_device *sdev)
mutex_lock(&sdev->state_mutex);
err = scsi_device_set_state(sdev, SDEV_QUIESCE);
+ if (err == 0)
+ blk_set_preempt_only(q, true);
mutex_unlock(&sdev->state_mutex);
if (err)
@@ -2960,8 +2962,10 @@ void scsi_device_resume(struct scsi_device *sdev)
*/
mutex_lock(&sdev->state_mutex);
if (sdev->sdev_state == SDEV_QUIESCE &&
- scsi_device_set_state(sdev, SDEV_RUNNING) == 0)
+ scsi_device_set_state(sdev, SDEV_RUNNING) == 0) {
+ blk_set_preempt_only(sdev->request_queue, false);
scsi_run_queue(sdev->request_queue);
+ }
mutex_unlock(&sdev->state_mutex);
}
EXPORT_SYMBOL(scsi_device_resume);
--
2.14.1
