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b2e03ca748
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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extern const struct file_operations jfs_txanchor_proc_fops;
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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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extern const struct file_operations jfs_lmstats_proc_fops;
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extern const struct file_operations jfs_txstats_proc_fops;
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extern const struct file_operations jfs_mpstat_proc_fops;
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extern const struct file_operations jfs_xtstat_proc_fops;
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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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