1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 *
4 * Copyright (C) 2019-2021 Paragon Software GmbH, All rights reserved.
5 *
6 * Useful functions for debugging.
7 *
8 */
9
10// clang-format off
11#ifndef _LINUX_NTFS3_DEBUG_H
12#define _LINUX_NTFS3_DEBUG_H
13
14struct super_block;
15struct inode;
16
17#ifndef Add2Ptr
18#define Add2Ptr(P, I) ((void *)((u8 *)(P) + (I)))
19#define PtrOffset(B, O) ((size_t)((size_t)(O) - (size_t)(B)))
20#endif
21
22#ifdef CONFIG_PRINTK
23__printf(2, 3)
24void ntfs_printk(const struct super_block *sb, const char *fmt, ...);
25__printf(2, 3)
26void ntfs_inode_printk(struct inode *inode, const char *fmt, ...);
27#else
28static inline __printf(2, 3)
29void ntfs_printk(const struct super_block *sb, const char *fmt, ...)
30{
31}
32
33static inline __printf(2, 3)
34void ntfs_inode_printk(struct inode *inode, const char *fmt, ...)
35{
36}
37#endif
38
39/*
40 * Logging macros. Thanks Joe Perches <joe@perches.com> for implementation.
41 */
42
43#define ntfs_err(sb, fmt, ...) ntfs_printk(sb, KERN_ERR fmt, ##__VA_ARGS__)
44#define ntfs_warn(sb, fmt, ...) ntfs_printk(sb, KERN_WARNING fmt, ##__VA_ARGS__)
45#define ntfs_info(sb, fmt, ...) ntfs_printk(sb, KERN_INFO fmt, ##__VA_ARGS__)
46#define ntfs_notice(sb, fmt, ...) \
47 ntfs_printk(sb, KERN_NOTICE fmt, ##__VA_ARGS__)
48
49#define ntfs_inode_err(inode, fmt, ...) \
50 ntfs_inode_printk(inode, KERN_ERR fmt, ##__VA_ARGS__)
51#define ntfs_inode_warn(inode, fmt, ...) \
52 ntfs_inode_printk(inode, KERN_WARNING fmt, ##__VA_ARGS__)
53
54#endif /* _LINUX_NTFS3_DEBUG_H */
55// clang-format on
56

source code of linux/fs/ntfs3/debug.h