add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/dlm/ast.c
..
..
@@ -1,12 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /******************************************************************************
2
3
 *******************************************************************************
3
4
 **
4
5
 **  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
5
6
 **  Copyright (C) 2004-2010 Red Hat, Inc.  All rights reserved.
6
7
 **
7
-**  This copyrighted material is made available to anyone wishing to use,
8
-**  modify, copy, or redistribute it subject to the terms and conditions
9
-**  of the GNU General Public License v.2.
10
8
 **
11
9
 *******************************************************************************
12
10
 ******************************************************************************/
..
..
@@ -200,13 +198,13 @@
200
198
 	if (!prev_seq) {
201
199
 		kref_get(&lkb->lkb_ref);
202
200
 
201
+		mutex_lock(&ls->ls_cb_mutex);
203
202
 		if (test_bit(LSFL_CB_DELAY, &ls->ls_flags)) {
204
-			mutex_lock(&ls->ls_cb_mutex);
205
203
 			list_add(&lkb->lkb_cb_list, &ls->ls_cb_delay);
206
-			mutex_unlock(&ls->ls_cb_mutex);
207
204
 		} else {
208
205
 			queue_work(ls->ls_callback_wq, &lkb->lkb_cb_work);
209
206
 		}
207
+		mutex_unlock(&ls->ls_cb_mutex);
210
208
 	}
211
209
  out:
212
210
 	mutex_unlock(&lkb->lkb_cb_mutex);
..
..
@@ -286,7 +284,9 @@
286
284
 
287
285
 void dlm_callback_suspend(struct dlm_ls *ls)
288
286
 {
287
+	mutex_lock(&ls->ls_cb_mutex);
289
288
 	set_bit(LSFL_CB_DELAY, &ls->ls_flags);
289
+	mutex_unlock(&ls->ls_cb_mutex);
290
290
 
291
291
 	if (ls->ls_callback_wq)
292
292
 		flush_workqueue(ls->ls_callback_wq);