linux/fs/ntfs/debug.h
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   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
  31extern int debug_msgs;
  32
  33extern __printf(4, 5)
  34void __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
  47extern void ntfs_debug_dump_runlist(const runlist_element *rl);
  48
  49#else   /* !DEBUG */
  50
  51#define ntfs_debug(f, a...)             do {} while (0)
  52#define ntfs_debug_dump_runlist(rl)     do {} while (0)
  53
  54#endif  /* !DEBUG */
  55
  56extern  __printf(3, 4)
  57void __ntfs_warning(const char *function, const struct super_block *sb,
  58                    const char *fmt, ...);
  59#define ntfs_warning(sb, f, a...)       __ntfs_warning(__func__, sb, f, ##a)
  60
  61extern  __printf(3, 4)
  62void __ntfs_error(const char *function, const struct super_block *sb,
  63                  const char *fmt, ...);
  64#define ntfs_error(sb, f, a...)         __ntfs_error(__func__, sb, f, ##a)
  65
  66#endif /* _LINUX_NTFS_DEBUG_H */
  67
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