linux-kernel - [PATCH] scsi: devinfo: Add Microsoft iSCSI target to 1024 sector blacklist

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Message-ID: <20180326135651.8193-1-ross.lagerwall@citrix.com>
Date:   Mon, 26 Mar 2018 14:56:51 +0100
From:   Ross Lagerwall <ross.lagerwall@...rix.com>
To:     "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Ross Lagerwall <ross.lagerwall@...rix.com>
Subject: [PATCH] scsi: devinfo: Add Microsoft iSCSI target to 1024 sector blacklist

The Windows Server 2016 iSCSI target doesn't work with the Linux kernel
initiator since the kernel started sending larger requests by default,
nor does it implement the block limits VPD page. Apply the sector limit
workaround for these targets.

Signed-off-by: Ross Lagerwall <ross.lagerwall@...rix.com>
---
 drivers/scsi/scsi_devinfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index f3b1172..5cb748a 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -213,7 +213,7 @@ static struct {
 	{"Medion", "Flash XL  MMC/SD", "2.6D", BLIST_FORCELUN},
 	{"MegaRAID", "LD", NULL, BLIST_FORCELUN},
 	{"MICROP", "4110", NULL, BLIST_NOTQ},
-	{"MSFT", "Virtual HD", NULL, BLIST_NO_RSOC},
+	{"MSFT", "Virtual HD", NULL, BLIST_MAX_1024 | BLIST_NO_RSOC},
 	{"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2},
 	{"nCipher", "Fastness Crypto", NULL, BLIST_FORCELUN},
 	{"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
-- 
2.9.5