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authorNicholas Bellinger <nab@linux-iscsi.org>2012-02-26 22:22:10 -0800
committerNicholas Bellinger <nab@linux-iscsi.org>2012-03-10 14:41:53 -0800
commit41ac82b668177876d5965d5f60956fb0fbcdb514 (patch)
tree229c299330fa9c3cb4cb5a1903e0559e3e7a5d5b /include/target
parent140854cb72525246745b67300d35101ad2875a39 (diff)
downloadop-kernel-dev-41ac82b668177876d5965d5f60956fb0fbcdb514.zip
op-kernel-dev-41ac82b668177876d5965d5f60956fb0fbcdb514.tar.gz
target: Add se_sess->sess_kref + get/put helpers
This patch adds basic se_session->sess_kref and get/put helpers for fabric session reference counting. It sets the initial kref in transport_init_session() and adds a target_release_session() callback to invoke TFO->close_session() for final session shutdown. Cc: Roland Dreier <roland@purestorage.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Joern Engel <joern@logfs.org> Cc: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'include/target')
-rw-r--r--include/target/target_core_base.h1
-rw-r--r--include/target/target_core_fabric.h2
2 files changed, 3 insertions, 0 deletions
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 1641dea..d630794 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -654,6 +654,7 @@ struct se_session {
struct list_head sess_cmd_list;
struct list_head sess_wait_list;
spinlock_t sess_cmd_lock;
+ struct kref sess_kref;
};
struct se_device;
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index e5d8c47..7e76aa1 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -105,6 +105,8 @@ void __transport_register_session(struct se_portal_group *,
struct se_node_acl *, struct se_session *, void *);
void transport_register_session(struct se_portal_group *,
struct se_node_acl *, struct se_session *, void *);
+void target_get_session(struct se_session *);
+int target_put_session(struct se_session *);
void transport_free_session(struct se_session *);
void transport_deregister_session_configfs(struct se_session *);
void transport_deregister_session(struct se_session *);
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