From 46861cdd80e1a862dc65d10833a1450861fabef7 Mon Sep 17 00:00:00 2001 From: Nicholas Bellinger Date: Tue, 25 Apr 2017 13:52:45 -0700 Subject: [PATCH] target: Don't force session reset if queue_depth does not change Keeping in the idempotent nature of target_core_fabric_configfs.c, if a queue_depth value is set and it's the same as the existing value, don't attempt to force session reinstatement. Reported-by: Raghu Krishnamurthy Cc: Raghu Krishnamurthy Tested-by: Gary Guo Cc: Gary Guo Signed-off-by: Nicholas Bellinger --- drivers/target/target_core_tpg.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index dfaef4d3b2d2..310d9e55c6eb 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -397,6 +397,13 @@ int core_tpg_set_initiator_node_queue_depth( { struct se_portal_group *tpg = acl->se_tpg; + /* + * Allow the setting of se_node_acl queue_depth to be idempotent, + * and not force a session shutdown event if the value is not + * changing. + */ + if (acl->queue_depth == queue_depth) + return 0; /* * User has requested to change the queue depth for a Initiator Node. * Change the value in the Node's struct se_node_acl, and call -- 2.20.1