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-rw-r--r--drivers/target/iscsi/iscsi_target.c35
-rw-r--r--drivers/target/iscsi/iscsi_target_configfs.c5
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c5
-rw-r--r--include/target/iscsi/iscsi_target_core.h2
4 files changed, 30 insertions, 17 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 928df1c30686..8ef5cf6eb5b4 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -4307,30 +4307,37 @@ int iscsit_close_connection(
if (!atomic_read(&sess->session_reinstatement) &&
atomic_read(&sess->session_fall_back_to_erl0)) {
spin_unlock_bh(&sess->conn_lock);
+ complete_all(&sess->session_wait_comp);
iscsit_close_session(sess);
return 0;
} else if (atomic_read(&sess->session_logout)) {
pr_debug("Moving to TARG_SESS_STATE_FREE.\n");
sess->session_state = TARG_SESS_STATE_FREE;
- spin_unlock_bh(&sess->conn_lock);
- if (atomic_read(&sess->sleep_on_sess_wait_comp))
- complete(&sess->session_wait_comp);
+ if (atomic_read(&sess->session_close)) {
+ spin_unlock_bh(&sess->conn_lock);
+ complete_all(&sess->session_wait_comp);
+ iscsit_close_session(sess);
+ } else {
+ spin_unlock_bh(&sess->conn_lock);
+ }
return 0;
} else {
pr_debug("Moving to TARG_SESS_STATE_FAILED.\n");
sess->session_state = TARG_SESS_STATE_FAILED;
- if (!atomic_read(&sess->session_continuation)) {
- spin_unlock_bh(&sess->conn_lock);
+ if (!atomic_read(&sess->session_continuation))
iscsit_start_time2retain_handler(sess);
- } else
- spin_unlock_bh(&sess->conn_lock);
- if (atomic_read(&sess->sleep_on_sess_wait_comp))
- complete(&sess->session_wait_comp);
+ if (atomic_read(&sess->session_close)) {
+ spin_unlock_bh(&sess->conn_lock);
+ complete_all(&sess->session_wait_comp);
+ iscsit_close_session(sess);
+ } else {
+ spin_unlock_bh(&sess->conn_lock);
+ }
return 0;
}
@@ -4436,9 +4443,9 @@ static void iscsit_logout_post_handler_closesession(
complete(&conn->conn_logout_comp);
iscsit_dec_conn_usage_count(conn);
+ atomic_set(&sess->session_close, 1);
iscsit_stop_session(sess, sleep, sleep);
iscsit_dec_session_usage_count(sess);
- iscsit_close_session(sess);
}
static void iscsit_logout_post_handler_samecid(
@@ -4583,8 +4590,6 @@ void iscsit_stop_session(
int is_last;
spin_lock_bh(&sess->conn_lock);
- if (session_sleep)
- atomic_set(&sess->sleep_on_sess_wait_comp, 1);
if (connection_sleep) {
list_for_each_entry_safe(conn, conn_tmp, &sess->sess_conn_list,
@@ -4642,12 +4647,15 @@ int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *tpg, int force)
spin_lock(&sess->conn_lock);
if (atomic_read(&sess->session_fall_back_to_erl0) ||
atomic_read(&sess->session_logout) ||
+ atomic_read(&sess->session_close) ||
(sess->time2retain_timer_flags & ISCSI_TF_EXPIRED)) {
spin_unlock(&sess->conn_lock);
continue;
}
+ iscsit_inc_session_usage_count(sess);
atomic_set(&sess->session_reinstatement, 1);
atomic_set(&sess->session_fall_back_to_erl0, 1);
+ atomic_set(&sess->session_close, 1);
spin_unlock(&sess->conn_lock);
list_move_tail(&se_sess->sess_list, &free_list);
@@ -4657,8 +4665,9 @@ int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *tpg, int force)
list_for_each_entry_safe(se_sess, se_sess_tmp, &free_list, sess_list) {
sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ list_del_init(&se_sess->sess_list);
iscsit_stop_session(sess, 1, 1);
- iscsit_close_session(sess);
+ iscsit_dec_session_usage_count(sess);
session_count++;
}
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 42b369fc415e..0fa1d57b26fa 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -1476,20 +1476,23 @@ static void lio_tpg_close_session(struct se_session *se_sess)
spin_lock(&sess->conn_lock);
if (atomic_read(&sess->session_fall_back_to_erl0) ||
atomic_read(&sess->session_logout) ||
+ atomic_read(&sess->session_close) ||
(sess->time2retain_timer_flags & ISCSI_TF_EXPIRED)) {
spin_unlock(&sess->conn_lock);
spin_unlock_bh(&se_tpg->session_lock);
return;
}
+ iscsit_inc_session_usage_count(sess);
atomic_set(&sess->session_reinstatement, 1);
atomic_set(&sess->session_fall_back_to_erl0, 1);
+ atomic_set(&sess->session_close, 1);
spin_unlock(&sess->conn_lock);
iscsit_stop_time2retain_timer(sess);
spin_unlock_bh(&se_tpg->session_lock);
iscsit_stop_session(sess, 1, 1);
- iscsit_close_session(sess);
+ iscsit_dec_session_usage_count(sess);
}
static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg)
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index f53330813207..731ee67fe914 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -156,6 +156,7 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
spin_lock(&sess_p->conn_lock);
if (atomic_read(&sess_p->session_fall_back_to_erl0) ||
atomic_read(&sess_p->session_logout) ||
+ atomic_read(&sess_p->session_close) ||
(sess_p->time2retain_timer_flags & ISCSI_TF_EXPIRED)) {
spin_unlock(&sess_p->conn_lock);
continue;
@@ -166,6 +167,7 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
(sess_p->sess_ops->SessionType == sessiontype))) {
atomic_set(&sess_p->session_reinstatement, 1);
atomic_set(&sess_p->session_fall_back_to_erl0, 1);
+ atomic_set(&sess_p->session_close, 1);
spin_unlock(&sess_p->conn_lock);
iscsit_inc_session_usage_count(sess_p);
iscsit_stop_time2retain_timer(sess_p);
@@ -190,7 +192,6 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
if (sess->session_state == TARG_SESS_STATE_FAILED) {
spin_unlock_bh(&sess->conn_lock);
iscsit_dec_session_usage_count(sess);
- iscsit_close_session(sess);
return 0;
}
spin_unlock_bh(&sess->conn_lock);
@@ -198,7 +199,6 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
iscsit_stop_session(sess, 1, 1);
iscsit_dec_session_usage_count(sess);
- iscsit_close_session(sess);
return 0;
}
@@ -486,6 +486,7 @@ static int iscsi_login_non_zero_tsih_s2(
sess_p = (struct iscsi_session *)se_sess->fabric_sess_ptr;
if (atomic_read(&sess_p->session_fall_back_to_erl0) ||
atomic_read(&sess_p->session_logout) ||
+ atomic_read(&sess_p->session_close) ||
(sess_p->time2retain_timer_flags & ISCSI_TF_EXPIRED))
continue;
if (!memcmp(sess_p->isid, pdu->isid, 6) &&
diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
index a49d37140a64..591cd9e4692c 100644
--- a/include/target/iscsi/iscsi_target_core.h
+++ b/include/target/iscsi/iscsi_target_core.h
@@ -676,7 +676,7 @@ struct iscsi_session {
atomic_t session_logout;
atomic_t session_reinstatement;
atomic_t session_stop_active;
- atomic_t sleep_on_sess_wait_comp;
+ atomic_t session_close;
/* connection list */
struct list_head sess_conn_list;
struct list_head cr_active_list;