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authorChristoph Hellwig <hch@lst.de>2016-05-02 15:45:25 +0200
committerNicholas Bellinger <nab@linux-iscsi.org>2016-05-10 01:19:49 -0700
commitd94331fab6d4d48280a5cea646352db90777966d (patch)
tree8d4814eb16f6708d70113a4701253c502b7ab71a /drivers/target
parent44f33d0fb5a7181cc34529c211d7b5039d8a0a4b (diff)
downloadlinux-d94331fab6d4d48280a5cea646352db90777966d.tar.bz2
target: remove sess_kref and ->shutdown_session
Both of them are unused now that drivers handle any delayed session shutdown internally. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/target_core_tpg.c14
-rw-r--r--drivers/target/target_core_transport.c23
2 files changed, 3 insertions, 34 deletions
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index a81a37045403..d99752c6cd60 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -340,26 +340,18 @@ static void target_shutdown_sessions(struct se_node_acl *acl)
{
struct se_session *sess;
unsigned long flags;
- int ret;
restart:
spin_lock_irqsave(&acl->nacl_sess_lock, flags);
list_for_each_entry(sess, &acl->acl_sess_list, sess_acl_list) {
if (sess->sess_tearing_down)
continue;
- if (!target_get_session(sess))
- continue;
list_del_init(&sess->sess_acl_list);
-
spin_unlock_irqrestore(&acl->nacl_sess_lock, flags);
- if (acl->se_tpg->se_tpg_tfo->shutdown_session)
- ret = acl->se_tpg->se_tpg_tfo->shutdown_session(sess);
- else
- ret = 1;
- target_put_session(sess);
- if (ret)
- target_put_session(sess);
+
+ if (acl->se_tpg->se_tpg_tfo->close_session)
+ acl->se_tpg->se_tpg_tfo->close_session(sess);
goto restart;
}
spin_unlock_irqrestore(&acl->nacl_sess_lock, flags);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 2914d4c68fea..6c089afe553a 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -239,7 +239,6 @@ struct se_session *transport_init_session(enum target_prot_op sup_prot_ops)
INIT_LIST_HEAD(&se_sess->sess_cmd_list);
INIT_LIST_HEAD(&se_sess->sess_wait_list);
spin_lock_init(&se_sess->sess_cmd_lock);
- kref_init(&se_sess->sess_kref);
se_sess->sup_prot_ops = sup_prot_ops;
return se_sess;
@@ -430,28 +429,6 @@ target_alloc_session(struct se_portal_group *tpg,
}
EXPORT_SYMBOL(target_alloc_session);
-static void target_release_session(struct kref *kref)
-{
- struct se_session *se_sess = container_of(kref,
- struct se_session, sess_kref);
- struct se_portal_group *se_tpg = se_sess->se_tpg;
-
- if (se_tpg->se_tpg_tfo->close_session)
- se_tpg->se_tpg_tfo->close_session(se_sess);
-}
-
-int target_get_session(struct se_session *se_sess)
-{
- return kref_get_unless_zero(&se_sess->sess_kref);
-}
-EXPORT_SYMBOL(target_get_session);
-
-void target_put_session(struct se_session *se_sess)
-{
- kref_put(&se_sess->sess_kref, target_release_session);
-}
-EXPORT_SYMBOL(target_put_session);
-
ssize_t target_show_dynamic_sessions(struct se_portal_group *se_tpg, char *page)
{
struct se_session *se_sess;