ia64/linux-2.6.18-xen.hg

view fs/jfs/jfs_debug.h @ 524:7f8b544237bf

netfront: Allow netfront in domain 0.

This is useful if your physical network device is in a utility domain.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Tue Apr 15 15:18:58 2008 +0100 (2008-04-15)
parents 831230e53067
children
line source
1 /*
2 * Copyright (C) International Business Machines Corp., 2000-2002
3 * Portions Copyright (C) Christoph Hellwig, 2001-2002
4 *
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.
9 *
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.
14 *
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
18 */
19 #ifndef _H_JFS_DEBUG
20 #define _H_JFS_DEBUG
22 /*
23 * jfs_debug.h
24 *
25 * global debug message, data structure/macro definitions
26 * under control of CONFIG_JFS_DEBUG, CONFIG_JFS_STATISTICS;
27 */
29 /*
30 * Create /proc/fs/jfs if procfs is enabled andeither
31 * CONFIG_JFS_DEBUG or CONFIG_JFS_STATISTICS is defined
32 */
33 #if defined(CONFIG_PROC_FS) && (defined(CONFIG_JFS_DEBUG) || defined(CONFIG_JFS_STATISTICS))
34 #define PROC_FS_JFS
35 extern void jfs_proc_init(void);
36 extern void jfs_proc_clean(void);
37 #endif
39 /*
40 * assert with traditional printf/panic
41 */
42 #ifdef CONFIG_KERNEL_ASSERTS
43 /* kgdb stuff */
44 #define assert(p) KERNEL_ASSERT(#p, p)
45 #else
46 #define assert(p) do { \
47 if (!(p)) { \
48 printk(KERN_CRIT "BUG at %s:%d assert(%s)\n", \
49 __FILE__, __LINE__, #p); \
50 BUG(); \
51 } \
52 } while (0)
53 #endif
55 /*
56 * debug ON
57 * --------
58 */
59 #ifdef CONFIG_JFS_DEBUG
60 #define ASSERT(p) assert(p)
62 /* printk verbosity */
63 #define JFS_LOGLEVEL_ERR 1
64 #define JFS_LOGLEVEL_WARN 2
65 #define JFS_LOGLEVEL_DEBUG 3
66 #define JFS_LOGLEVEL_INFO 4
68 extern int jfsloglevel;
70 extern void dump_mem(char *label, void *data, int length);
71 extern int jfs_txanchor_read(char *, char **, off_t, int, int *, void *);
73 /* information message: e.g., configuration, major event */
74 #define jfs_info(fmt, arg...) do { \
75 if (jfsloglevel >= JFS_LOGLEVEL_INFO) \
76 printk(KERN_INFO fmt "\n", ## arg); \
77 } while (0)
79 /* debug message: ad hoc */
80 #define jfs_debug(fmt, arg...) do { \
81 if (jfsloglevel >= JFS_LOGLEVEL_DEBUG) \
82 printk(KERN_DEBUG fmt "\n", ## arg); \
83 } while (0)
85 /* warn message: */
86 #define jfs_warn(fmt, arg...) do { \
87 if (jfsloglevel >= JFS_LOGLEVEL_WARN) \
88 printk(KERN_WARNING fmt "\n", ## arg); \
89 } while (0)
91 /* error event message: e.g., i/o error */
92 #define jfs_err(fmt, arg...) do { \
93 if (jfsloglevel >= JFS_LOGLEVEL_ERR) \
94 printk(KERN_ERR fmt "\n", ## arg); \
95 } while (0)
97 /*
98 * debug OFF
99 * ---------
100 */
101 #else /* CONFIG_JFS_DEBUG */
102 #define dump_mem(label,data,length) do {} while (0)
103 #define ASSERT(p) do {} while (0)
104 #define jfs_info(fmt, arg...) do {} while (0)
105 #define jfs_debug(fmt, arg...) do {} while (0)
106 #define jfs_warn(fmt, arg...) do {} while (0)
107 #define jfs_err(fmt, arg...) do {} while (0)
108 #endif /* CONFIG_JFS_DEBUG */
110 /*
111 * statistics
112 * ----------
113 */
114 #ifdef CONFIG_JFS_STATISTICS
115 extern int jfs_lmstats_read(char *, char **, off_t, int, int *, void *);
116 extern int jfs_txstats_read(char *, char **, off_t, int, int *, void *);
117 extern int jfs_mpstat_read(char *, char **, off_t, int, int *, void *);
118 extern int jfs_xtstat_read(char *, char **, off_t, int, int *, void *);
120 #define INCREMENT(x) ((x)++)
121 #define DECREMENT(x) ((x)--)
122 #define HIGHWATERMARK(x,y) ((x) = max((x), (y)))
123 #else
124 #define INCREMENT(x)
125 #define DECREMENT(x)
126 #define HIGHWATERMARK(x,y)
127 #endif /* CONFIG_JFS_STATISTICS */
129 #endif /* _H_JFS_DEBUG */