xref: /openbmc/linux/fs/ocfs2/dlm/dlmdomain.h (revision b8d312aa)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* -*- mode: c; c-basic-offset: 8; -*-
3  * vim: noexpandtab sw=8 ts=8 sts=0:
4  *
5  * dlmdomain.h
6  *
7  * Copyright (C) 2004 Oracle.  All rights reserved.
8  */
9 
10 #ifndef DLMDOMAIN_H
11 #define DLMDOMAIN_H
12 
13 extern spinlock_t dlm_domain_lock;
14 extern struct list_head dlm_domains;
15 
16 static inline int dlm_joined(struct dlm_ctxt *dlm)
17 {
18 	int ret = 0;
19 
20 	spin_lock(&dlm_domain_lock);
21 	if (dlm->dlm_state == DLM_CTXT_JOINED)
22 		ret = 1;
23 	spin_unlock(&dlm_domain_lock);
24 
25 	return ret;
26 }
27 
28 static inline int dlm_shutting_down(struct dlm_ctxt *dlm)
29 {
30 	int ret = 0;
31 
32 	spin_lock(&dlm_domain_lock);
33 	if (dlm->dlm_state == DLM_CTXT_IN_SHUTDOWN)
34 		ret = 1;
35 	spin_unlock(&dlm_domain_lock);
36 
37 	return ret;
38 }
39 
40 void dlm_fire_domain_eviction_callbacks(struct dlm_ctxt *dlm,
41 					int node_num);
42 
43 #endif
44