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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 |
21 | |
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 | */ |
28 | |
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 |
38 | |
39 | /* |
40 | * assert with traditional printf/panic |
41 | */ |
42 | #define assert(p) do { \ |
43 | if (!(p)) { \ |
44 | printk(KERN_CRIT "BUG at %s:%d assert(%s)\n", \ |
45 | __FILE__, __LINE__, #p); \ |
46 | BUG(); \ |
47 | } \ |
48 | } while (0) |
49 | |
50 | /* |
51 | * debug ON |
52 | * -------- |
53 | */ |
54 | #ifdef CONFIG_JFS_DEBUG |
55 | #define ASSERT(p) assert(p) |
56 | |
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 |
62 | |
63 | extern int jfsloglevel; |
64 | |
65 | extern const struct file_operations jfs_txanchor_proc_fops; |
66 | |
67 | /* information message: e.g., configuration, major event */ |
68 | #define jfs_info(fmt, arg...) do { \ |
69 | if (jfsloglevel >= JFS_LOGLEVEL_INFO) \ |
70 | printk(KERN_INFO fmt "\n", ## arg); \ |
71 | } while (0) |
72 | |
73 | /* debug message: ad hoc */ |
74 | #define jfs_debug(fmt, arg...) do { \ |
75 | if (jfsloglevel >= JFS_LOGLEVEL_DEBUG) \ |
76 | printk(KERN_DEBUG fmt "\n", ## arg); \ |
77 | } while (0) |
78 | |
79 | /* warn message: */ |
80 | #define jfs_warn(fmt, arg...) do { \ |
81 | if (jfsloglevel >= JFS_LOGLEVEL_WARN) \ |
82 | printk(KERN_WARNING fmt "\n", ## arg); \ |
83 | } while (0) |
84 | |
85 | /* error event message: e.g., i/o error */ |
86 | #define jfs_err(fmt, arg...) do { \ |
87 | if (jfsloglevel >= JFS_LOGLEVEL_ERR) \ |
88 | printk(KERN_ERR fmt "\n", ## arg); \ |
89 | } while (0) |
90 | |
91 | /* |
92 | * debug OFF |
93 | * --------- |
94 | */ |
95 | #else /* CONFIG_JFS_DEBUG */ |
96 | #define ASSERT(p) do {} while (0) |
97 | #define jfs_info(fmt, arg...) do {} while (0) |
98 | #define jfs_debug(fmt, arg...) do {} while (0) |
99 | #define jfs_warn(fmt, arg...) do {} while (0) |
100 | #define jfs_err(fmt, arg...) do {} while (0) |
101 | #endif /* CONFIG_JFS_DEBUG */ |
102 | |
103 | /* |
104 | * statistics |
105 | * ---------- |
106 | */ |
107 | #ifdef CONFIG_JFS_STATISTICS |
108 | extern const struct file_operations jfs_lmstats_proc_fops; |
109 | extern const struct file_operations jfs_txstats_proc_fops; |
110 | extern const struct file_operations jfs_mpstat_proc_fops; |
111 | extern const struct file_operations jfs_xtstat_proc_fops; |
112 | |
113 | #define INCREMENT(x) ((x)++) |
114 | #define DECREMENT(x) ((x)--) |
115 | #define HIGHWATERMARK(x,y) ((x) = max((x), (y))) |
116 | #else |
117 | #define INCREMENT(x) |
118 | #define DECREMENT(x) |
119 | #define HIGHWATERMARK(x,y) |
120 | #endif /* CONFIG_JFS_STATISTICS */ |
121 | |
122 | #endif /* _H_JFS_DEBUG */ |
123 |
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od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
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v3.9