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Commit 4149268e authored by Joern Engel's avatar Joern Engel Committed by Nicholas Bellinger
Browse files

target: Add TFO->put_session() caller for HW fabric session shutdown 



This patch adds an optional target_core_fabric_ops->put_session() caller
within the existing target_put_session() code path.

This is required by tcm_qla2xxx code in order to invoke it's own fabric
specific session shutdown handler using se_session->sess_kref.

Signed-off-by: default avatarJoern Engel <joern@logfs.org>
Cc: Roland Dreier <roland@purestorage.com>
Cc: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent cfaf0251

drivers/target/target_core_transport.c

+7 −1
Original line number Diff line number Diff line
@@ -315,7 +315,7 @@ void transport_register_session( 
}

EXPORT_SYMBOL(transport_register_session);



static void target_release_session(struct kref *kref)

void target_release_session(struct kref *kref)

{

	struct se_session *se_sess = container_of(kref,

			struct se_session, sess_kref);
@@ -332,6 +332,12 @@ EXPORT_SYMBOL(target_get_session); 


void target_put_session(struct se_session *se_sess)

{

	struct se_portal_group *tpg = se_sess->se_tpg;



	if (tpg->se_tpg_tfo->put_session != NULL) {

		tpg->se_tpg_tfo->put_session(se_sess);

		return;

	}

	kref_put(&se_sess->sess_kref, target_release_session);

}

EXPORT_SYMBOL(target_put_session);

include/target/target_core_fabric.h

+1 −0
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ struct target_core_fabric_ops { 
	 */

	int (*check_stop_free)(struct se_cmd *);

	void (*release_cmd)(struct se_cmd *);

	void (*put_session)(struct se_session *);

	/*

	 * Called with spin_lock_bh(struct se_portal_group->session_lock held.

	 */