Thread (28 messages) 28 messages, 5 authors, 2018-08-08
STALE2881d
Revisions (3)
  1. rfc current
  2. v2 [diff vs current]
  3. v3 [diff vs current]

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

From: Ming Lei <hidden>
Date: 2018-08-07 17:44:30
Subsystem: scsi subsystem, the rest · Maintainers: "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds

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@rowland.harvard.edu>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Bart Van Assche <redacted>
Cc: Jianchao Wang <redacted>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Johannes Thumshirn <redacted>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: "James E.J. Bottomley" <redacted>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Ming Lei <redacted>
---
 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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