fs/ntfs/debug.h

   1 /*
   2  * debug.h - NTFS kernel debug support. Part of the Linux-NTFS project.
   3  *
   4  * Copyright (c) 2001-2004 Anton Altaparmakov
   5  *
   6  * This program/include file is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as published
   8  * by the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program/include file is distributed in the hope that it will be
  12  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  13  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program (in the main directory of the Linux-NTFS
  18  * distribution in the file COPYING); if not, write to the Free Software
  19  * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #ifndef _LINUX_NTFS_DEBUG_H
  23 #define _LINUX_NTFS_DEBUG_H
  24
  25 #include <linux/fs.h>
  26
  27 #include "runlist.h"
  28
  29 #ifdef DEBUG
  30
  31 extern int debug_msgs;
  32
  33 extern __printf(4, 5)
  34 void __ntfs_debug(const char *file, int line, const char *function,
  35                   const char *format, ...);
  36 /**
  37  * ntfs_debug - write a debug level message to syslog
  38  * @f:          a printf format string containing the message
  39  * @...:        the variables to substitute into @f
  40  *
  41  * ntfs_debug() writes a DEBUG level message to the syslog but only if the
  42  * driver was compiled with -DDEBUG. Otherwise, the call turns into a NOP.
  43  */
  44 #define ntfs_debug(f, a...)                                             \
  45         __ntfs_debug(__FILE__, __LINE__, __func__, f, ##a)
  46
  47 extern void ntfs_debug_dump_runlist(const runlist_element *rl);
  48
  49 #else   /* !DEBUG */
  50
  51 #define ntfs_debug(fmt, ...)                                            \
  52 do {                                                                    \
  53         if (0)                                                          \
  54                 no_printk(fmt, ##__VA_ARGS__);                          \
  55 } while (0)
  56
  57 #define ntfs_debug_dump_runlist(rl)     do {} while (0)
  58
  59 #endif  /* !DEBUG */
  60
  61 extern  __printf(3, 4)
  62 void __ntfs_warning(const char *function, const struct super_block *sb,
  63                     const char *fmt, ...);
  64 #define ntfs_warning(sb, f, a...)       __ntfs_warning(__func__, sb, f, ##a)
  65
  66 extern  __printf(3, 4)
  67 void __ntfs_error(const char *function, const struct super_block *sb,
  68                   const char *fmt, ...);
  69 #define ntfs_error(sb, f, a...)         __ntfs_error(__func__, sb, f, ##a)
  70
  71 #endif /* _LINUX_NTFS_DEBUG_H */