[SCSI] qla4xxx: add support for ql4xsess_recovery_tmo cmd line param

Target Session Recovery Timeout

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index df46e5d8f74e..b7bc69900de8 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -57,6 +57,12 @@ MODULE_PARM_DESC(ql4xmaxqdepth,
                 "Maximum queue depth to report for target devices.\n"
                 " Default: 32.");
 
+static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
+module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
+MODULE_PARM_DESC(ql4xsess_recovery_tmo,
+                "Target Session Recovery Timeout.\n"
+                " Default: 30 sec.");
+
 /*
  * SCSI host template entry points
  */
@@ -166,7 +172,7 @@ static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session)
                 DEBUG2(printk("scsi%ld: %s: ddb [%d] session recovery timeout "
                               "of (%d) secs exhausted, marking device DEAD.\n",
                               ha->host_no, __func__, ddb_entry->fw_ddb_index,
-                              QL4_SESS_RECOVERY_TMO));
+                              ddb_entry->sess->recovery_tmo));
         }
 }
 
@@ -296,7 +302,7 @@ int qla4xxx_add_sess(struct ddb_entry *ddb_entry)
 {
         int err;
 
-        ddb_entry->sess->recovery_tmo = QL4_SESS_RECOVERY_TMO;
+        ddb_entry->sess->recovery_tmo = ql4xsess_recovery_tmo;
 
         err = iscsi_add_session(ddb_entry->sess, ddb_entry->fw_ddb_index);
         if (err) {