4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License version 2 for more details. A copy is
14 * included in the COPYING file that accompanied this code.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * Copyright (c) 2017, Intel Corporation.
25 * lustre/include/lustre_barrier.h
27 * Lustre write barrier (on MDT) exported functions.
29 * Author: Fan, Yong <fan.yong@intel.com>
32 #ifndef _LUSTRE_BARRIER_H
33 # define _LUSTRE_BARRIER_H
35 #include <dt_object.h>
36 #include <lustre_export.h>
38 bool barrier_entry(struct dt_device *key);
39 void barrier_exit(struct dt_device *key);
40 int barrier_handler(struct dt_device *key, struct ptlrpc_request *req);
41 int barrier_register(struct dt_device *key, struct dt_device *next);
42 void barrier_deregister(struct dt_device *key);
44 #endif /* _LUSTRE_BARRIER_H */