linux/fs/cifs/cifs_debug.h
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details you
  should have received a copy of the gnu general public license along
  with this program if not write to the free software foundation inc
  59 temple place suite 330 boston ma 02111 1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

101 lines
2.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
*
* Copyright (c) International Business Machines Corp., 2000,2002
* Modified by Steve French (sfrench@us.ibm.com)
*/
#ifndef _H_CIFS_DEBUG
#define _H_CIFS_DEBUG
void cifs_dump_mem(char *label, void *data, int length);
void cifs_dump_detail(void *buf, struct TCP_Server_Info *ptcp_info);
void cifs_dump_mids(struct TCP_Server_Info *);
extern bool traceSMB; /* flag which enables the function below */
void dump_smb(void *, int);
#define CIFS_INFO 0x01
#define CIFS_RC 0x02
#define CIFS_TIMER 0x04
#define VFS 1
#define FYI 2
extern int cifsFYI;
#ifdef CONFIG_CIFS_DEBUG2
#define NOISY 4
#else
#define NOISY 0
#endif
#define ONCE 8
/*
* debug ON
* --------
*/
#ifdef CONFIG_CIFS_DEBUG
/*
* When adding tracepoints and debug messages we have various choices.
* Some considerations:
*
* Use cifs_dbg(VFS, ...) for things we always want logged, and the user to see
* cifs_info(...) slightly less important, admin can filter via loglevel > 6
* cifs_dbg(FYI, ...) minor debugging messages, off by default
* trace_smb3_* ftrace functions are preferred for complex debug messages
* intended for developers or experienced admins, off by default
*/
/* Information level messages, minor events */
#define cifs_info_func(ratefunc, fmt, ...) \
do { \
pr_info_ ## ratefunc("CIFS: " fmt, ##__VA_ARGS__); \
} while (0)
#define cifs_info(fmt, ...) \
do { \
cifs_info_func(ratelimited, fmt, ##__VA_ARGS__); \
} while (0)
/* information message: e.g., configuration, major event */
#define cifs_dbg_func(ratefunc, type, fmt, ...) \
do { \
if ((type) & FYI && cifsFYI & CIFS_INFO) { \
pr_debug_ ## ratefunc("%s: " \
fmt, __FILE__, ##__VA_ARGS__); \
} else if ((type) & VFS) { \
pr_err_ ## ratefunc("CIFS VFS: " \
fmt, ##__VA_ARGS__); \
} else if ((type) & NOISY && (NOISY != 0)) { \
pr_debug_ ## ratefunc(fmt, ##__VA_ARGS__); \
} \
} while (0)
#define cifs_dbg(type, fmt, ...) \
do { \
if ((type) & ONCE) \
cifs_dbg_func(once, \
type, fmt, ##__VA_ARGS__); \
else \
cifs_dbg_func(ratelimited, \
type, fmt, ##__VA_ARGS__); \
} while (0)
/*
* debug OFF
* ---------
*/
#else /* _CIFS_DEBUG */
#define cifs_dbg(type, fmt, ...) \
do { \
if (0) \
pr_debug(fmt, ##__VA_ARGS__); \
} while (0)
#define cifs_info(fmt, ...) \
do { \
pr_info("CIFS: "fmt, ##__VA_ARGS__); \
} while (0)
#endif
#endif /* _H_CIFS_DEBUG */