[SCSI] libiscsi: add warm target reset tmf support

This implements warm target reset tmf support for
the scsi-ml target reset callback. Previously we would
just drop the session in that callback. This patch will
now try a target reset and if that fails drop the session.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index ad897df36615..dc04ca124a69 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -30,7 +30,7 @@
 #include <scsi/scsi_transport_iscsi.h>
 #include <scsi/iscsi_if.h>
 
-#define ISCSI_SESSION_ATTRS 21
+#define ISCSI_SESSION_ATTRS 22
 #define ISCSI_CONN_ATTRS 13
 #define ISCSI_HOST_ATTRS 4
 
@@ -1759,6 +1759,7 @@ iscsi_session_attr(password_in, ISCSI_PARAM_PASSWORD_IN, 1);
 iscsi_session_attr(fast_abort, ISCSI_PARAM_FAST_ABORT, 0);
 iscsi_session_attr(abort_tmo, ISCSI_PARAM_ABORT_TMO, 0);
 iscsi_session_attr(lu_reset_tmo, ISCSI_PARAM_LU_RESET_TMO, 0);
+iscsi_session_attr(tgt_reset_tmo, ISCSI_PARAM_TGT_RESET_TMO, 0);
 iscsi_session_attr(ifacename, ISCSI_PARAM_IFACE_NAME, 0);
 iscsi_session_attr(initiatorname, ISCSI_PARAM_INITIATOR_NAME, 0)
 
@@ -2000,6 +2001,7 @@ iscsi_register_transport(struct iscsi_transport *tt)
         SETUP_SESSION_RD_ATTR(fast_abort, ISCSI_FAST_ABORT);
         SETUP_SESSION_RD_ATTR(abort_tmo, ISCSI_ABORT_TMO);
         SETUP_SESSION_RD_ATTR(lu_reset_tmo,ISCSI_LU_RESET_TMO);
+        SETUP_SESSION_RD_ATTR(tgt_reset_tmo,ISCSI_TGT_RESET_TMO);
         SETUP_SESSION_RD_ATTR(ifacename, ISCSI_IFACE_NAME);
         SETUP_SESSION_RD_ATTR(initiatorname, ISCSI_INITIATOR_NAME);
         SETUP_PRIV_SESSION_RD_ATTR(recovery_tmo);