linux-kernel - [PATCH 4.4 34/44] scsi: sd: Defer spinning up drive while SANITIZE is in progress

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Message-Id: <20180430190947.695033898@linuxfoundation.org>
Date:   Mon, 30 Apr 2018 12:24:45 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Mahesh Rajashekhara <mahesh.rajashekhara@...rosemi.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 4.4 34/44] scsi: sd: Defer spinning up drive while SANITIZE is in progress

4.4-stable 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>
Cc: <stable@...r.kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/scsi/sd.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1929,6 +1929,8 @@ 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
 			 */