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Date: Mon, 20 Apr 2020 14:39:07 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Rahul Kundu <rahul.kundu@...lsio.com>,
Maurizio Lombardi <mlombard@...hat.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.5 63/65] scsi: target: remove boilerplate code
From: Maurizio Lombardi <mlombard@...hat.com>
[ Upstream commit e49a7d994379278d3353d7ffc7994672752fb0ad ]
iscsit_free_session() is equivalent to iscsit_stop_session() followed by a
call to iscsit_close_session().
Link: https://lore.kernel.org/r/20200313170656.9716-2-mlombard@redhat.com
Tested-by: Rahul Kundu <rahul.kundu@...lsio.com>
Signed-off-by: Maurizio Lombardi <mlombard@...hat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/target/iscsi/iscsi_target.c | 46 ++---------------------------
drivers/target/iscsi/iscsi_target.h | 1 -
2 files changed, 2 insertions(+), 45 deletions(-)
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 09e55ea0bf5d5..ff85666d4e029 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -4567,49 +4567,6 @@ void iscsit_fail_session(struct iscsi_session *sess)
sess->session_state = TARG_SESS_STATE_FAILED;
}
-int iscsit_free_session(struct iscsi_session *sess)
-{
- u16 conn_count = atomic_read(&sess->nconn);
- struct iscsi_conn *conn, *conn_tmp = NULL;
- int is_last;
-
- spin_lock_bh(&sess->conn_lock);
- atomic_set(&sess->sleep_on_sess_wait_comp, 1);
-
- list_for_each_entry_safe(conn, conn_tmp, &sess->sess_conn_list,
- conn_list) {
- if (conn_count == 0)
- break;
-
- if (list_is_last(&conn->conn_list, &sess->sess_conn_list)) {
- is_last = 1;
- } else {
- iscsit_inc_conn_usage_count(conn_tmp);
- is_last = 0;
- }
- iscsit_inc_conn_usage_count(conn);
-
- spin_unlock_bh(&sess->conn_lock);
- iscsit_cause_connection_reinstatement(conn, 1);
- spin_lock_bh(&sess->conn_lock);
-
- iscsit_dec_conn_usage_count(conn);
- if (is_last == 0)
- iscsit_dec_conn_usage_count(conn_tmp);
-
- conn_count--;
- }
-
- if (atomic_read(&sess->nconn)) {
- spin_unlock_bh(&sess->conn_lock);
- wait_for_completion(&sess->session_wait_comp);
- } else
- spin_unlock_bh(&sess->conn_lock);
-
- iscsit_close_session(sess);
- return 0;
-}
-
void iscsit_stop_session(
struct iscsi_session *sess,
int session_sleep,
@@ -4694,7 +4651,8 @@ 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;
- iscsit_free_session(sess);
+ iscsit_stop_session(sess, 1, 1);
+ iscsit_close_session(sess);
session_count++;
}
diff --git a/drivers/target/iscsi/iscsi_target.h b/drivers/target/iscsi/iscsi_target.h
index c95f56a3ce31b..7409ce2a66078 100644
--- a/drivers/target/iscsi/iscsi_target.h
+++ b/drivers/target/iscsi/iscsi_target.h
@@ -43,7 +43,6 @@ extern int iscsi_target_rx_thread(void *);
extern int iscsit_close_connection(struct iscsi_conn *);
extern int iscsit_close_session(struct iscsi_session *);
extern void iscsit_fail_session(struct iscsi_session *);
-extern int iscsit_free_session(struct iscsi_session *);
extern void iscsit_stop_session(struct iscsi_session *, int, int);
extern int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *, int);
--
2.20.1
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