linux-kernel - [PATCH 3.16 174/366] scsi: sd: Defer spinning up drive while SANITIZE is in progress

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Message-ID: <lsq.1539530741.82980866@decadent.org.uk>
Date:   Sun, 14 Oct 2018 16:25:41 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org,
        "Mahesh Rajashekhara" <mahesh.rajashekhara@...rosemi.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 3.16 174/366] scsi: sd: Defer spinning up drive while
 SANITIZE is in progress

3.16.60-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Mahesh Rajashekhara <mahesh.rajashekhara@...rosemi.com>

commit 505aa4b6a8834a2300971c5220c380c3271ebde3 upstream.

A drive being sanitized will return NOT READY / ASC 0x4 / ASCQ
0x1b ("LOGICAL UNIT NOT READY. SANITIZE IN PROGRESS").

Prevent spinning up the drive until this condition clears.

[mkp: tweaked commit message]

Signed-off-by: Mahesh Rajashekhara <mahesh.rajashekhara@...rosemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/scsi/sd.c | 2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1832,6 +1832,8 @@ sd_spinup_disk(struct scsi_disk *sdkp)
 				break;	/* standby */
 			if (sshdr.asc == 4 && sshdr.ascq == 0xc)
 				break;	/* unavailable */
+			if (sshdr.asc == 4 && sshdr.ascq == 0x1b)
+				break;	/* sanitize in progress */
 			/*
 			 * Issue command to spin up drive when not ready
 			 */