fs/ntfs/debug.h

   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
  17 extern int debug_msgs;
  18
  19 extern __printf(4, 5)
  20 void __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
  33 extern void ntfs_debug_dump_runlist(const runlist_element *rl);
  34
  35 #else   /* !DEBUG */
  36
  37 #define ntfs_debug(fmt, ...)                                            \
  38 do {                                                                    \
  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
  47 extern  __printf(3, 4)
  48 void __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
  52 extern  __printf(3, 4)
  53 void __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 */