| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 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 */ |