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target: remove acl_stop

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Ensure we can use list_empty on the sess_acl_list to remove the need for
this flag.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Christoph Hellwig 2016-05-02 15:45:20 +02:00 committed by Nicholas Bellinger
parent bc6e6bb470
commit fba81f8831
3 changed files with 7 additions and 11 deletions
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13
drivers/target/target_core_tpg.c
View File

@ -336,30 +336,27 @@ struct se_node_acl *core_tpg_add_initiator_node_acl(
return acl;
}
static void target_shutdown_sessions(struct se_node_acl *acl, bool acl_stop)
static void target_shutdown_sessions(struct se_node_acl *acl)
{
struct se_session *sess;
unsigned long flags;
int ret;
spin_lock_irqsave(&acl->nacl_sess_lock, flags);
if (acl_stop)
acl->acl_stop = 1;
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(&sess->sess_acl_list);
list_del_init(&sess->sess_acl_list);
spin_unlock_irqrestore(&acl->nacl_sess_lock, flags);
ret = acl->se_tpg->se_tpg_tfo->shutdown_session(sess);
target_put_session(sess);
if (ret)
target_put_session(sess);
spin_lock_irqsave(&acl->nacl_sess_lock, flags);
goto restart;
}
spin_unlock_irqrestore(&acl->nacl_sess_lock, flags);
@ -375,7 +372,7 @@ void core_tpg_del_initiator_node_acl(struct se_node_acl *acl)
list_del(&acl->acl_list);
mutex_unlock(&tpg->acl_node_mutex);
target_shutdown_sessions(acl, true);
target_shutdown_sessions(acl);
target_put_nacl(acl);
/*
@ -415,7 +412,7 @@ int core_tpg_set_initiator_node_queue_depth(
/*
* Shutdown all pending sessions to force session reinstatement.
*/
target_shutdown_sessions(acl, false);
target_shutdown_sessions(acl);
pr_debug("Successfully changed queue depth to: %d for Initiator"
" Node: %s on %s Target Portal Group: %u\n", acl->queue_depth,

4
drivers/target/target_core_transport.c
View File

@ -499,8 +499,8 @@ void transport_deregister_session_configfs(struct se_session *se_sess)
se_nacl = se_sess->se_node_acl;
if (se_nacl) {
spin_lock_irqsave(&se_nacl->nacl_sess_lock, flags);
if (se_nacl->acl_stop == 0)
list_del(&se_sess->sess_acl_list);
if (!list_empty(&se_sess->sess_acl_list))
list_del_init(&se_sess->sess_acl_list);
/*
* If the session list is empty, then clear the pointer.
* Otherwise, set the struct se_session pointer from the tail

1
include/target/target_core_base.h
View File

@ -536,7 +536,6 @@ struct se_node_acl {
char initiatorname[TRANSPORT_IQN_LEN];
/* Used to signal demo mode created ACL, disabled by default */
bool dynamic_node_acl;
bool acl_stop:1;
u32 queue_depth;
u32 acl_index;
enum target_prot_type saved_prot_type;