tcm_loop: TCQ and command abort support

Implement TCQ support, which enables us to do proper command
abort, too.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h
index 56528f7dafae..54c59d0b6608 100644
--- a/drivers/target/loopback/tcm_loop.h
+++ b/drivers/target/loopback/tcm_loop.h
@@ -10,6 +10,8 @@
 struct tcm_loop_cmd {
         /* State of Linux/SCSI CDB+Data descriptor */
         u32 sc_cmd_state;
+        /* Tagged command queueing */
+        u32 sc_cmd_tag;
         /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
         struct scsi_cmnd *sc;
         /* The TCM I/O descriptor that is accessed via container_of() */