[RFC PATCH 11/14] SCSI: transport_spi: resume a quiesced device

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We have to preempt freeze queue in scsi_device_quiesce(),
and unfreeze in scsi_device_resume(), so call scsi_device_resume()
for the device which is quiesced by scsi_device_quiesce().

Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Bart Van Assche <bart.vanassche@xxxxxxx>
Cc: Jianchao Wang <jianchao.w.wang@xxxxxxxxxx>
Cc: Hannes Reinecke <hare@xxxxxxx>
Cc: Johannes Thumshirn <jthumshirn@xxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxxxx>
Cc: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Cc: linux-scsi@xxxxxxxxxxxxxxx
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
---
 drivers/scsi/scsi_transport_spi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 2ca150b16764..10854c1848e2 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -1052,6 +1052,9 @@ spi_dv_device(struct scsi_device *sdev)
 
 	scsi_target_resume(starget);
 
+	/* undo what scsi_device_quiesce() did */
+	scsi_device_resume(sdev);
+
 	spi_initial_dv(starget) = 1;
 
  out_free:
-- 
2.9.5




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