Thread (3 messages) 3 messages, 3 authors, 2021-02-26
STALE1945d LANDED: 5 (4M)

[PATCH v2] scsi/sd: Fix Opal support

From: Bart Van Assche <bvanassche@acm.org>
Date: 2021-02-22 02:11:53
Also in: linux-scsi
Subsystem: scsi subsystem, the rest · Maintainers: "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds

The SCSI core has been modified recently such that it only processes PM
requests if rpm_status != RPM_ACTIVE. Since some Opal requests are
submitted while rpm_status != RPM_ACTIVE, set flag RQF_PM for Opal
requests.

See also https://bugzilla.kernel.org/show_bug.cgi?id=211227.

Fixes: d80210f25ff0 ("sd: add support for TCG OPAL self encrypting disks")
Fixes: 271822bbf9fe ("scsi: core: Only process PM requests if rpm_status != RPM_ACTIVE")
Reported-by: chriscjsus@yahoo.com
Tested-by: chriscjsus@yahoo.com
Cc: chriscjsus@yahoo.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: stable@vger.kernel.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
Changes compared to v1:
- Addressed Christoph's review comments.
- Added Cc: stable.
---
 drivers/scsi/sd.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index a3d2d4bc4a3d..6a3a163b0706 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -707,9 +707,9 @@ static int sd_sec_submit(void *data, u16 spsp, u8 secp, void *buffer,
 	put_unaligned_be16(spsp, &cdb[2]);
 	put_unaligned_be32(len, &cdb[6]);
 
-	ret = scsi_execute_req(sdev, cdb,
-			send ? DMA_TO_DEVICE : DMA_FROM_DEVICE,
-			buffer, len, NULL, SD_TIMEOUT, sdkp->max_retries, NULL);
+	ret = scsi_execute(sdev, cdb, send ? DMA_TO_DEVICE : DMA_FROM_DEVICE,
+		buffer, len, NULL, NULL, SD_TIMEOUT, sdkp->max_retries, 0,
+		RQF_PM, NULL);
 	return ret <= 0 ? ret : -EIO;
 }
 #endif /* CONFIG_BLK_SED_OPAL */
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help