1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * debug.h - NTFS kernel debug support. Part of the Linux-NTFS project.
 4 *
 5 * Copyright (c) 2001-2004 Anton Altaparmakov
 6 */
 7
 8#ifndef _LINUX_NTFS_DEBUG_H
 9#define _LINUX_NTFS_DEBUG_H
10
11#include <linux/fs.h>
12
13#include "runlist.h"
14
15#ifdef DEBUG
16
17extern int debug_msgs;
18
19extern __printf(4, 5)
20void __ntfs_debug(const char *file, int line, const char *function,
21		  const char *format, ...);
22/**
23 * ntfs_debug - write a debug level message to syslog
24 * @f:		a printf format string containing the message
25 * @...:	the variables to substitute into @f
26 *
27 * ntfs_debug() writes a DEBUG level message to the syslog but only if the
28 * driver was compiled with -DDEBUG. Otherwise, the call turns into a NOP.
29 */
30#define ntfs_debug(f, a...)						\
31	__ntfs_debug(__FILE__, __LINE__, __func__, f, ##a)
32
33extern void ntfs_debug_dump_runlist(const runlist_element *rl);
34
35#else	/* !DEBUG */
36
37#define ntfs_debug(fmt, ...)						\
38do {									\
39	if (0)								\
40		no_printk(fmt, ##__VA_ARGS__);				\
41} while (0)
42
43#define ntfs_debug_dump_runlist(rl)	do {} while (0)
44
45#endif	/* !DEBUG */
46
47extern  __printf(3, 4)
48void __ntfs_warning(const char *function, const struct super_block *sb,
49		    const char *fmt, ...);
50#define ntfs_warning(sb, f, a...)	__ntfs_warning(__func__, sb, f, ##a)
51
52extern  __printf(3, 4)
53void __ntfs_error(const char *function, const struct super_block *sb,
54		  const char *fmt, ...);
55#define ntfs_error(sb, f, a...)		__ntfs_error(__func__, sb, f, ##a)
56
57#endif /* _LINUX_NTFS_DEBUG_H */