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authorJoern Engel <joern@logfs.org>2012-05-19 00:57:19 +0400
committerNicholas Bellinger <nab@linux-iscsi.org>2012-06-13 06:33:05 +0400
commit4149268e7816d719b0fde8e89aaa6db8c168fc43 (patch)
tree3c180fca14317541addad2cf65e0d5ad5b01bc3d /drivers/target
parentcfaf025112d3856637ff34a767ef785ef5cf2ca9 (diff)
downloadlinux-4149268e7816d719b0fde8e89aaa6db8c168fc43.tar.xz
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: Joern Engel <joern@logfs.org> Cc: Roland Dreier <roland@purestorage.com> Cc: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/target_core_transport.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index b05fdc0c05d3..634d0f31a28c 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -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);