From: Manish Rangankar <manish.rangankar@qlogic.com>
Date: Fri, 7 Oct 2011 23:55:48 +0000 (-0700)
Subject: [SCSI] qla4xxx: Fixed device blocked issue on link up-down.
X-Git-Tag: firefly_0821_release~3680^2~4269^2~29
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5283bfb64e403d971bcb0718521a4ffe6cc24f5b;p=firefly-linux-kernel-4.4.55.git
[SCSI] qla4xxx: Fixed device blocked issue on link up-down.
Devices are getting blocked during continuous link up and down.
Solution is, during relogin unblock the session, using iscsi_conn_start,
before sending connection logged in event.
JIRA Key: UPSISCSI-138
Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index cc10bacd1e18..3075fbaef553 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -900,6 +900,7 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
switch (state) {
case DDB_DS_SESSION_ACTIVE:
case DDB_DS_DISCOVERY:
+ iscsi_conn_start(ddb_entry->conn);
iscsi_conn_login_event(ddb_entry->conn,
ISCSI_CONN_STATE_LOGGED_IN);
qla4xxx_update_session_conn_param(ha, ddb_entry);
@@ -935,6 +936,7 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
switch (state) {
case DDB_DS_SESSION_ACTIVE:
case DDB_DS_DISCOVERY:
+ iscsi_conn_start(ddb_entry->conn);
iscsi_conn_login_event(ddb_entry->conn,
ISCSI_CONN_STATE_LOGGED_IN);
qla4xxx_update_session_conn_param(ha, ddb_entry);
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index af83e6f3fe6f..205ecaf5438b 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -1165,7 +1165,6 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
ddb_entry->fw_ddb_device_state));
exit_set_param:
- iscsi_conn_start(cls_conn);
ret = 0;
exit_conn_start: