| 1 |
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| 2 | |
| 3 | * Copyright (C) International Business Machines Corp., 2000-2002
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| 4 | * Portions Copyright (C) Christoph Hellwig, 2001-2002
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| 5 |
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| 6 | #ifndef _H_JFS_DEBUG
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| 7 | #define _H_JFS_DEBUG
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| 8 |
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| 9 | |
| 10 | * jfs_debug.h
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| 11 | *
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| 12 | * global debug message, data structure/macro definitions
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| 13 | * under control of CONFIG_JFS_DEBUG, CONFIG_JFS_STATISTICS;
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| 14 |
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| 15 |
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| 16 | |
| 17 | * Create /proc/fs/jfs if procfs is enabled andeither
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| 18 | * CONFIG_JFS_DEBUG or CONFIG_JFS_STATISTICS is defined
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| 19 |
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| 20 | #if defined(CONFIG_PROC_FS) && (defined(CONFIG_JFS_DEBUG) || defined(CONFIG_JFS_STATISTICS))
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| 21 | #define PROC_FS_JFS
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| 22 | extern void jfs_proc_init(void);
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| 23 | extern void jfs_proc_clean(void);
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| 24 | #endif
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| 25 |
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| 26 | |
| 27 | * assert with traditional printf/panic
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| 28 |
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| 29 | #define assert(p) do { \
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| 30 | if (!(p)) { \
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| 31 | printk(KERN_CRIT "BUG at %s:%d assert(%s)\n", \
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| 32 | __FILE__, __LINE__, #p); \
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| 33 | BUG(); \
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| 34 | } \
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| 35 | } while (0)
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| 36 |
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| 37 | |
| 38 | * debug ON
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| 39 | * --------
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| 40 |
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| 41 | #ifdef CONFIG_JFS_DEBUG
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| 42 | #define ASSERT(p) assert(p)
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| 43 |
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| 44 |
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| 45 | #define JFS_LOGLEVEL_ERR 1
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| 46 | #define JFS_LOGLEVEL_WARN 2
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| 47 | #define JFS_LOGLEVEL_DEBUG 3
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| 48 | #define JFS_LOGLEVEL_INFO 4
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| 49 |
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| 50 | extern int jfsloglevel;
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| 51 |
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| 52 | int jfs_txanchor_proc_show(struct seq_file *m, void *v);
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| 53 |
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| 54 |
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| 55 | #define jfs_info(fmt, arg...) do { \
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| 56 | if (jfsloglevel >= JFS_LOGLEVEL_INFO) \
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| 57 | printk(KERN_INFO fmt "\n", ## arg); \
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| 58 | } while (0)
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| 59 |
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| 60 |
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| 61 | #define jfs_debug(fmt, arg...) do { \
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| 62 | if (jfsloglevel >= JFS_LOGLEVEL_DEBUG) \
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| 63 | printk(KERN_DEBUG fmt "\n", ## arg); \
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| 64 | } while (0)
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| 65 |
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| 66 |
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| 67 | #define jfs_warn(fmt, arg...) do { \
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| 68 | if (jfsloglevel >= JFS_LOGLEVEL_WARN) \
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| 69 | printk(KERN_WARNING fmt "\n", ## arg); \
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| 70 | } while (0)
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| 71 |
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| 72 |
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| 73 | #define jfs_err(fmt, arg...) do { \
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| 74 | if (jfsloglevel >= JFS_LOGLEVEL_ERR) \
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| 75 | printk(KERN_ERR fmt "\n", ## arg); \
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| 76 | } while (0)
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| 77 |
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| 78 | |
| 79 | * debug OFF
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| 80 | * ---------
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| 81 |
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| 82 | #else
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| 83 | #define ASSERT(p) do {} while (0)
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| 84 | #define jfs_info(fmt, arg...) do {} while (0)
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| 85 | #define jfs_debug(fmt, arg...) do {} while (0)
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| 86 | #define jfs_warn(fmt, arg...) do {} while (0)
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| 87 | #define jfs_err(fmt, arg...) do {} while (0)
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| 88 | #endif
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| 89 |
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| 90 | |
| 91 | * statistics
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| 92 | * ----------
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| 93 |
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| 94 | #ifdef CONFIG_JFS_STATISTICS
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| 95 | int jfs_lmstats_proc_show(struct seq_file *m, void *v);
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| 96 | int jfs_txstats_proc_show(struct seq_file *m, void *v);
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| 97 | int jfs_mpstat_proc_show(struct seq_file *m, void *v);
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| 98 | int jfs_xtstat_proc_show(struct seq_file *m, void *v);
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| 99 |
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| 100 | #define INCREMENT(x) ((x)++)
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| 101 | #define DECREMENT(x) ((x)--)
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| 102 | #define HIGHWATERMARK(x,y) ((x) = max((x), (y)))
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| 103 | #else
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| 104 | #define INCREMENT(x)
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| 105 | #define DECREMENT(x)
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| 106 | #define HIGHWATERMARK(x,y)
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| 107 | #endif
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| 108 |
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| 109 | #endif
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