ocfs2/dlm/dlmdomain.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * dlmdomain.h
0004  *
0005  * Copyright (C) 2004 Oracle.  All rights reserved.
0006  */
0007
0008 #ifndef DLMDOMAIN_H
0009 #define DLMDOMAIN_H
0010
0011 extern spinlock_t dlm_domain_lock;
0012 extern struct list_head dlm_domains;
0013
0014 static inline int dlm_joined(struct dlm_ctxt *dlm)
0015 {
0016     int ret = 0;
0017
0018     spin_lock(&dlm_domain_lock);
0019     if (dlm->dlm_state == DLM_CTXT_JOINED)
0020         ret = 1;
0021     spin_unlock(&dlm_domain_lock);
0022
0023     return ret;
0024 }
0025
0026 static inline int dlm_shutting_down(struct dlm_ctxt *dlm)
0027 {
0028     int ret = 0;
0029
0030     spin_lock(&dlm_domain_lock);
0031     if (dlm->dlm_state == DLM_CTXT_IN_SHUTDOWN)
0032         ret = 1;
0033     spin_unlock(&dlm_domain_lock);
0034
0035     return ret;
0036 }
0037
0038 void dlm_fire_domain_eviction_callbacks(struct dlm_ctxt *dlm,
0039                     int node_num);
0040
0041 #endif