fs/ocfs2/dlm/dlmdomain.h

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