mirror of https://gitee.com/openkylin/linux.git
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/* -*- mode: c; c-basic-offset: 8; -*-
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* vim: noexpandtab sw=8 ts=8 sts=0:
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*
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* dlmdomain.h
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*
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* Copyright (C) 2004 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*
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*/
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#ifndef DLMDOMAIN_H
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#define DLMDOMAIN_H
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extern spinlock_t dlm_domain_lock;
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extern struct list_head dlm_domains;
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static inline int dlm_joined(struct dlm_ctxt *dlm)
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{
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int ret = 0;
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spin_lock(&dlm_domain_lock);
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if (dlm->dlm_state == DLM_CTXT_JOINED)
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ret = 1;
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spin_unlock(&dlm_domain_lock);
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return ret;
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}
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static inline int dlm_shutting_down(struct dlm_ctxt *dlm)
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{
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int ret = 0;
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spin_lock(&dlm_domain_lock);
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if (dlm->dlm_state == DLM_CTXT_IN_SHUTDOWN)
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ret = 1;
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spin_unlock(&dlm_domain_lock);
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return ret;
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}
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void dlm_fire_domain_eviction_callbacks(struct dlm_ctxt *dlm,
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int node_num);
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#endif
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