From 363863256a711819130ea4ac210ee001bc80c3b2 Mon Sep 17 00:00:00 2001
From: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Date: Sat, 10 Jul 2010 14:49:01 +0530
Subject: [PATCH] [SCSI] qla4xxx: unblock iscsi session after setting ddb state
online.
Once the device goes *missing*, driver blocks the session
ie iscsi_block_session() to stall the I/O. So after device
comes back *online*, driver needs to unblock the session ie
iscsi_unblock_session(), else I/Os will fail even if
ddb_state is ONLINE.
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
drivers/scsi/qla4xxx/ql4_init.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 8947743e54d7..16565226f55c 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -993,6 +993,7 @@ int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host *ha)
DEBUG2(printk ("scsi%ld: %s: ddb index [%d] marked "
"ONLINE\n", ha->host_no, __func__,
ddb_entry->fw_ddb_index));
+ iscsi_unblock_session(ddb_entry->sess);
} else if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE)
qla4xxx_mark_device_missing(ha, ddb_entry);
}