xref: /openbmc/linux/fs/ocfs2/super.h (revision ca55b2fe)
1 /* -*- mode: c; c-basic-offset: 8; -*-
2  * vim: noexpandtab sw=8 ts=8 sts=0:
3  *
4  * super.h
5  *
6  * Function prototypes
7  *
8  * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public
12  * License as published by the Free Software Foundation; either
13  * version 2 of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18  * General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public
21  * License along with this program; if not, write to the
22  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23  * Boston, MA 021110-1307, USA.
24  */
25 
26 #ifndef OCFS2_SUPER_H
27 #define OCFS2_SUPER_H
28 
29 extern struct workqueue_struct *ocfs2_wq;
30 
31 int ocfs2_publish_get_mount_state(struct ocfs2_super *osb,
32 				  int node_num);
33 
34 __printf(3, 4)
35 int __ocfs2_error(struct super_block *sb, const char *function,
36 		   const char *fmt, ...);
37 
38 #define ocfs2_error(sb, fmt, ...)					\
39 	__ocfs2_error(sb, __PRETTY_FUNCTION__, fmt, ##__VA_ARGS__)
40 
41 __printf(3, 4)
42 void __ocfs2_abort(struct super_block *sb, const char *function,
43 		   const char *fmt, ...);
44 
45 #define ocfs2_abort(sb, fmt, ...)					\
46 	__ocfs2_abort(sb, __PRETTY_FUNCTION__, fmt, ##__VA_ARGS__)
47 
48 /*
49  * Void signal blockers, because in-kernel sigprocmask() only fails
50  * when SIG_* is wrong.
51  */
52 void ocfs2_block_signals(sigset_t *oldset);
53 void ocfs2_unblock_signals(sigset_t *oldset);
54 
55 #endif /* OCFS2_SUPER_H */
56