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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>
110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) International Business Machines Corp., 2000-2002
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* Portions Copyright (C) Christoph Hellwig, 2001-2002
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*/
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#ifndef _H_JFS_DEBUG
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#define _H_JFS_DEBUG
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/*
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* jfs_debug.h
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*
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* global debug message, data structure/macro definitions
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* under control of CONFIG_JFS_DEBUG, CONFIG_JFS_STATISTICS;
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*/
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/*
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* Create /proc/fs/jfs if procfs is enabled andeither
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* CONFIG_JFS_DEBUG or CONFIG_JFS_STATISTICS is defined
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*/
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#if defined(CONFIG_PROC_FS) && (defined(CONFIG_JFS_DEBUG) || defined(CONFIG_JFS_STATISTICS))
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#define PROC_FS_JFS
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extern void jfs_proc_init(void);
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extern void jfs_proc_clean(void);
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#endif
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/*
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* assert with traditional printf/panic
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*/
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#define assert(p) do { \
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if (!(p)) { \
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printk(KERN_CRIT "BUG at %s:%d assert(%s)\n", \
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__FILE__, __LINE__, #p); \
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BUG(); \
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} \
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} while (0)
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/*
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* debug ON
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* --------
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*/
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#ifdef CONFIG_JFS_DEBUG
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#define ASSERT(p) assert(p)
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/* printk verbosity */
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#define JFS_LOGLEVEL_ERR 1
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#define JFS_LOGLEVEL_WARN 2
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#define JFS_LOGLEVEL_DEBUG 3
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#define JFS_LOGLEVEL_INFO 4
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extern int jfsloglevel;
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int jfs_txanchor_proc_show(struct seq_file *m, void *v);
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/* information message: e.g., configuration, major event */
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#define jfs_info(fmt, arg...) do { \
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if (jfsloglevel >= JFS_LOGLEVEL_INFO) \
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printk(KERN_INFO fmt "\n", ## arg); \
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} while (0)
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/* debug message: ad hoc */
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#define jfs_debug(fmt, arg...) do { \
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if (jfsloglevel >= JFS_LOGLEVEL_DEBUG) \
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printk(KERN_DEBUG fmt "\n", ## arg); \
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} while (0)
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/* warn message: */
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#define jfs_warn(fmt, arg...) do { \
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if (jfsloglevel >= JFS_LOGLEVEL_WARN) \
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printk(KERN_WARNING fmt "\n", ## arg); \
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} while (0)
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/* error event message: e.g., i/o error */
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#define jfs_err(fmt, arg...) do { \
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if (jfsloglevel >= JFS_LOGLEVEL_ERR) \
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printk(KERN_ERR fmt "\n", ## arg); \
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} while (0)
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/*
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* debug OFF
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* ---------
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*/
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#else /* CONFIG_JFS_DEBUG */
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#define ASSERT(p) do {} while (0)
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#define jfs_info(fmt, arg...) do {} while (0)
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#define jfs_debug(fmt, arg...) do {} while (0)
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#define jfs_warn(fmt, arg...) do {} while (0)
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#define jfs_err(fmt, arg...) do {} while (0)
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#endif /* CONFIG_JFS_DEBUG */
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/*
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* statistics
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* ----------
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*/
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#ifdef CONFIG_JFS_STATISTICS
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int jfs_lmstats_proc_show(struct seq_file *m, void *v);
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int jfs_txstats_proc_show(struct seq_file *m, void *v);
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int jfs_mpstat_proc_show(struct seq_file *m, void *v);
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int jfs_xtstat_proc_show(struct seq_file *m, void *v);
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#define INCREMENT(x) ((x)++)
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#define DECREMENT(x) ((x)--)
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#define HIGHWATERMARK(x,y) ((x) = max((x), (y)))
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#else
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#define INCREMENT(x)
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#define DECREMENT(x)
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#define HIGHWATERMARK(x,y)
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#endif /* CONFIG_JFS_STATISTICS */
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#endif /* _H_JFS_DEBUG */
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