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