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scsi: target: remove boilerplate code 

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@chelsio.com>
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Maurizio Lombardi 2020-03-13 18:06:54 +01:00 committed by Martin K. Petersen
parent 0f3d679159
commit e49a7d9943
2 changed files with 2 additions and 45 deletions
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46
drivers/target/iscsi/iscsi_target.c
View File

@ -4573,49 +4573,6 @@ 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,
@ -4700,7 +4657,8 @@ 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++;
}

1
drivers/target/iscsi/iscsi_target.h
View File

@ -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);