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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 <rk@datera.io>
Cc: Raghu Krishnamurthy <rk@datera.io>
Tested-by: Gary Guo <ghg@datera.io>
Cc: Gary Guo <ghg@datera.io>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Nicholas Bellinger 2017-04-25 13:52:45 -07:00
parent 197b806ae5
commit 46861cdd80
1 changed files with 7 additions and 0 deletions
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7
drivers/target/target_core_tpg.c
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@ -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