From: Nicholas Bellinger <n...@linux-iscsi.org>

This patch updates spc_emulate_inquiry_std() to set the
PROTECT bit when DIF emulation is enabled by the backend
device.

Cc: Martin K. Petersen <martin.peter...@oracle.com>
Cc: Christoph Hellwig <h...@lst.de>
Cc: Hannes Reinecke <h...@suse.de>
Cc: Sagi Grimberg <sa...@mellanox.com>
Cc: Or Gerlitz <ogerl...@mellanox.com>
Signed-off-by: Nicholas Bellinger <n...@linux-iscsi.org>
---
 drivers/target/target_core_spc.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 021c3f4..6b06f01 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -100,6 +100,11 @@ spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char 
*buf)
         */
        if (dev->dev_attrib.emulate_3pc)
                buf[5] |= 0x8;
+       /*
+        * Set Protection (PROTECT) bit when DIF has been enabled.
+        */
+       if (dev->dev_attrib.pi_prot_type)
+               buf[5] |= 0x1;
 
        buf[7] = 0x2; /* CmdQue=1 */
 
-- 
1.7.10.4

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