LXR linux/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
  11extern spinlock_t dlm_domain_lock;
  12extern struct list_head dlm_domains;
  13
  14static 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
  26static 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
  38void dlm_fire_domain_eviction_callbacks(struct dlm_ctxt *dlm,
  39                                        int node_num);
  40
  41#endif
  42