fs/ocfs2/dlm/dlmdomain.h

   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