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
14 struct super_block;
15 struct 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)
24 void ntfs_printk(const struct super_block *sb, const char *fmt, ...);
25 __printf(2, 3)
26 void ntfs_inode_printk(struct inode *inode, const char *fmt, ...);
27 #else
28 static inline __printf(2, 3)
ntfs_printk(const struct super_block * sb,const char * fmt,...)29 void ntfs_printk(const struct super_block *sb, const char *fmt, ...)
30 {
31 }
32
33 static inline __printf(2, 3)
ntfs_inode_printk(struct inode * inode,const char * fmt,...)34 void 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