From 617d9deb70edc7f1f5a8a7f0020e5d6d27c2948f Mon Sep 17 00:00:00 2001
From: Olaf Hering <olaf@aepfle.de>
Date: Thu, 21 Feb 2013 12:04:51 -0800
Subject: [PATCH] --- yaml --- r: 360268 b: refs/heads/master c:
 3e8f4f4065901c8dfc51407e1984495e1748c090 h: refs/heads/master v: v3

---
 [refs]                           | 2 +-
 trunk/drivers/scsi/storvsc_drv.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 688fd1b761f0..fe1423636c2b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 98f99a8ac8d92fef74b61e8dd25df934afbbf843
+refs/heads/master: 3e8f4f4065901c8dfc51407e1984495e1748c090
diff --git a/trunk/drivers/scsi/storvsc_drv.c b/trunk/drivers/scsi/storvsc_drv.c
index 9f4e5601b610..82873e775fc3 100644
--- a/trunk/drivers/scsi/storvsc_drv.c
+++ b/trunk/drivers/scsi/storvsc_drv.c
@@ -1156,6 +1156,8 @@ static int storvsc_device_configure(struct scsi_device *sdevice)
 
 	blk_queue_bounce_limit(sdevice->request_queue, BLK_BOUNCE_ANY);
 
+	sdevice->no_write_same = 1;
+
 	return 0;
 }
 
@@ -1238,6 +1240,8 @@ static bool storvsc_scsi_cmd_ok(struct scsi_cmnd *scmnd)
 	u8 scsi_op = scmnd->cmnd[0];
 
 	switch (scsi_op) {
+	/* the host does not handle WRITE_SAME, log accident usage */
+	case WRITE_SAME:
 	/*
 	 * smartd sends this command and the host does not handle
 	 * this. So, don't send it.