LXR linux/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
  13extern spinlock_t dlm_domain_lock;
  14extern struct list_head dlm_domains;
  15
  16static 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
  28static 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
  40void dlm_fire_domain_eviction_callbacks(struct dlm_ctxt *dlm,
  41                                        int node_num);
  42
  43#endif
  44