2 * Copyright (C) International Business Machines Corp., 2000-2002
3 * Portions Copyright (C) Christoph Hellwig, 2001-2002
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 * global debug message, data structure/macro definitions
26 * under control of CONFIG_JFS_DEBUG, CONFIG_JFS_STATISTICS;
30 * Create /proc/fs/jfs if procfs is enabled andeither
31 * CONFIG_JFS_DEBUG or CONFIG_JFS_STATISTICS is defined
33 #if defined(CONFIG_PROC_FS) && (defined(CONFIG_JFS_DEBUG) || defined(CONFIG_JFS_STATISTICS))
35 extern void jfs_proc_init(void);
36 extern void jfs_proc_clean(void);
40 * assert with traditional printf/panic
42 #define assert(p) do { \
44 printk(KERN_CRIT "BUG at %s:%d assert(%s)\n", \
45 __FILE__, __LINE__, #p); \
54 #ifdef CONFIG_JFS_DEBUG
55 #define ASSERT(p) assert(p)
57 /* printk verbosity */
58 #define JFS_LOGLEVEL_ERR 1
59 #define JFS_LOGLEVEL_WARN 2
60 #define JFS_LOGLEVEL_DEBUG 3
61 #define JFS_LOGLEVEL_INFO 4
63 extern int jfsloglevel;
65 extern void dump_mem(char *label, void *data, int length);
66 extern int jfs_txanchor_read(char *, char **, off_t, int, int *, void *);
68 /* information message: e.g., configuration, major event */
69 #define jfs_info(fmt, arg...) do { \
70 if (jfsloglevel >= JFS_LOGLEVEL_INFO) \
71 printk(KERN_INFO fmt "\n", ## arg); \
74 /* debug message: ad hoc */
75 #define jfs_debug(fmt, arg...) do { \
76 if (jfsloglevel >= JFS_LOGLEVEL_DEBUG) \
77 printk(KERN_DEBUG fmt "\n", ## arg); \
81 #define jfs_warn(fmt, arg...) do { \
82 if (jfsloglevel >= JFS_LOGLEVEL_WARN) \
83 printk(KERN_WARNING fmt "\n", ## arg); \
86 /* error event message: e.g., i/o error */
87 #define jfs_err(fmt, arg...) do { \
88 if (jfsloglevel >= JFS_LOGLEVEL_ERR) \
89 printk(KERN_ERR fmt "\n", ## arg); \
96 #else /* CONFIG_JFS_DEBUG */
97 #define dump_mem(label,data,length) do {} while (0)
98 #define ASSERT(p) do {} while (0)
99 #define jfs_info(fmt, arg...) do {} while (0)
100 #define jfs_debug(fmt, arg...) do {} while (0)
101 #define jfs_warn(fmt, arg...) do {} while (0)
102 #define jfs_err(fmt, arg...) do {} while (0)
103 #endif /* CONFIG_JFS_DEBUG */
109 #ifdef CONFIG_JFS_STATISTICS
110 extern int jfs_lmstats_read(char *, char **, off_t, int, int *, void *);
111 extern int jfs_txstats_read(char *, char **, off_t, int, int *, void *);
112 extern int jfs_mpstat_read(char *, char **, off_t, int, int *, void *);
113 extern int jfs_xtstat_read(char *, char **, off_t, int, int *, void *);
115 #define INCREMENT(x) ((x)++)
116 #define DECREMENT(x) ((x)--)
117 #define HIGHWATERMARK(x,y) ((x) = max((x), (y)))
121 #define HIGHWATERMARK(x,y)
122 #endif /* CONFIG_JFS_STATISTICS */
124 #endif /* _H_JFS_DEBUG */