1/*
2 * debug.h - NTFS kernel debug support. Part of the Linux-NTFS project.
3 *
4 * Copyright (c) 2001-2004 Anton Altaparmakov
5 *
6 * This program/include file is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as published
8 * by the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program/include file is distributed in the hope that it will be
12 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program (in the main directory of the Linux-NTFS
18 * distribution in the file COPYING); if not, write to the Free Software
19 * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20 */
21
22#ifndef _LINUX_NTFS_DEBUG_H
23#define _LINUX_NTFS_DEBUG_H
24
25#include <linux/fs.h>
26
27#include "runlist.h"
28
29#ifdef DEBUG
30
31extern int debug_msgs;
32
33extern void __ntfs_debug(const char *file, int line, const char *function,
34	const char *format, ...) __attribute__ ((format (printf, 4, 5)));
35/**
36 * ntfs_debug - write a debug level message to syslog
37 * @f:		a printf format string containing the message
38 * @...:	the variables to substitute into @f
39 *
40 * ntfs_debug() writes a DEBUG level message to the syslog but only if the
41 * driver was compiled with -DDEBUG. Otherwise, the call turns into a NOP.
42 */
43#define ntfs_debug(f, a...)						\
44	__ntfs_debug(__FILE__, __LINE__, __func__, f, ##a)
45
46extern void ntfs_debug_dump_runlist(const runlist_element *rl);
47
48#else	/* !DEBUG */
49
50#define ntfs_debug(f, a...)		do {} while (0)
51#define ntfs_debug_dump_runlist(rl)	do {} while (0)
52
53#endif	/* !DEBUG */
54
55extern void __ntfs_warning(const char *function, const struct super_block *sb,
56		const char *fmt, ...) __attribute__ ((format (printf, 3, 4)));
57#define ntfs_warning(sb, f, a...)	__ntfs_warning(__func__, sb, f, ##a)
58
59extern void __ntfs_error(const char *function, const struct super_block *sb,
60		const char *fmt, ...) __attribute__ ((format (printf, 3, 4)));
61#define ntfs_error(sb, f, a...)		__ntfs_error(__func__, sb, f, ##a)
62
63#endif /* _LINUX_NTFS_DEBUG_H */
64