LXR linux/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
  17extern int debug_msgs;
  18
  19extern __printf(4, 5)
  20void __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
  33extern void ntfs_debug_dump_runlist(const runlist_element *rl);
  34
  35#else   /* !DEBUG */
  36
  37#define ntfs_debug(fmt, ...)                                            \
  38do {                                                                    \
  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
  47extern  __printf(3, 4)
  48void __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
  52extern  __printf(3, 4)
  53void __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 */
  58