1 /* -*- mode: c; c-basic-offset: 8; -*-
2  * vim: noexpandtab sw=8 ts=8 sts=0:
3  *
4  * dlmdomain.h
5  *
6  * Copyright (C) 2004 Oracle.  All rights reserved.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public
19  * License along with this program; if not, write to the
20  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21  * Boston, MA 021110-1307, USA.
22  *
23  */
24 
25 #ifndef DLMDOMAIN_H
26 #define DLMDOMAIN_H
27 
28 extern spinlock_t dlm_domain_lock;
29 extern struct list_head dlm_domains;
30 
dlm_joined(struct dlm_ctxt * dlm)31 static inline int dlm_joined(struct dlm_ctxt *dlm)
32 {
33 	int ret = 0;
34 
35 	spin_lock(&dlm_domain_lock);
36 	if (dlm->dlm_state == DLM_CTXT_JOINED)
37 		ret = 1;
38 	spin_unlock(&dlm_domain_lock);
39 
40 	return ret;
41 }
42 
dlm_shutting_down(struct dlm_ctxt * dlm)43 static inline int dlm_shutting_down(struct dlm_ctxt *dlm)
44 {
45 	int ret = 0;
46 
47 	spin_lock(&dlm_domain_lock);
48 	if (dlm->dlm_state == DLM_CTXT_IN_SHUTDOWN)
49 		ret = 1;
50 	spin_unlock(&dlm_domain_lock);
51 
52 	return ret;
53 }
54 
55 void dlm_fire_domain_eviction_callbacks(struct dlm_ctxt *dlm,
56 					int node_num);
57 
58 #endif
59