target: Set LBPWS10 bit in Logical Block Provisioning EVPD
authorNicholas Bellinger <nab@linux-iscsi.org>
Sat, 14 Feb 2015 02:05:31 +0000 (02:05 +0000)
committerNicholas Bellinger <nab@linux-iscsi.org>
Sat, 14 Feb 2015 02:54:49 +0000 (02:54 +0000)
This patch sets the missing LBPWS10 bit within spc_emulate_evpd_b2()
in order to signal WRITE_SAME (10) w/ UNMAP support, following the
existing LBPWS bit to signal WRITE_SAME (16) w/ UNMAP support.

Cc: Martin Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
drivers/target/target_core_spc.c

index 1307600fe7264cb55234b6b8e88d8cc15878c799..f041f936a6cd581bdc0daf190756675799fbbf67 100644 (file)
@@ -650,7 +650,7 @@ spc_emulate_evpd_b2(struct se_cmd *cmd, unsigned char *buf)
         * support the use of the WRITE SAME (16) command to unmap LBAs.
         */
        if (dev->dev_attrib.emulate_tpws != 0)
-               buf[5] |= 0x40;
+               buf[5] |= 0x40 | 0x20;
 
        return 0;
 }