|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | /* | 
|  | * | 
|  | * Copyright (C) 2019-2021 Paragon Software GmbH, All rights reserved. | 
|  | * | 
|  | * Useful functions for debugging. | 
|  | * | 
|  | */ | 
|  |  | 
|  | // clang-format off | 
|  | #ifndef _LINUX_NTFS3_DEBUG_H | 
|  | #define _LINUX_NTFS3_DEBUG_H | 
|  |  | 
|  | struct super_block; | 
|  | struct inode; | 
|  |  | 
|  | #ifndef Add2Ptr | 
|  | #define Add2Ptr(P, I)		((void *)((u8 *)(P) + (I))) | 
|  | #define PtrOffset(B, O)		((size_t)((size_t)(O) - (size_t)(B))) | 
|  | #endif | 
|  |  | 
|  | #ifdef CONFIG_PRINTK | 
|  | __printf(2, 3) | 
|  | void ntfs_printk(const struct super_block *sb, const char *fmt, ...); | 
|  | __printf(2, 3) | 
|  | void ntfs_inode_printk(struct inode *inode, const char *fmt, ...); | 
|  | #else | 
|  | static inline __printf(2, 3) | 
|  | void ntfs_printk(const struct super_block *sb, const char *fmt, ...) | 
|  | { | 
|  | } | 
|  |  | 
|  | static inline __printf(2, 3) | 
|  | void ntfs_inode_printk(struct inode *inode, const char *fmt, ...) | 
|  | { | 
|  | } | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | * Logging macros. Thanks Joe Perches <joe@perches.com> for implementation. | 
|  | */ | 
|  |  | 
|  | #define ntfs_err(sb, fmt, ...)  ntfs_printk(sb, KERN_ERR fmt, ##__VA_ARGS__) | 
|  | #define ntfs_warn(sb, fmt, ...) ntfs_printk(sb, KERN_WARNING fmt, ##__VA_ARGS__) | 
|  | #define ntfs_info(sb, fmt, ...) ntfs_printk(sb, KERN_INFO fmt, ##__VA_ARGS__) | 
|  | #define ntfs_notice(sb, fmt, ...)                                              \ | 
|  | ntfs_printk(sb, KERN_NOTICE fmt, ##__VA_ARGS__) | 
|  |  | 
|  | #define ntfs_inode_err(inode, fmt, ...)                                        \ | 
|  | ntfs_inode_printk(inode, KERN_ERR fmt, ##__VA_ARGS__) | 
|  | #define ntfs_inode_warn(inode, fmt, ...)                                       \ | 
|  | ntfs_inode_printk(inode, KERN_WARNING fmt, ##__VA_ARGS__) | 
|  |  | 
|  | #endif /* _LINUX_NTFS3_DEBUG_H */ | 
|  | // clang-format on |