| /* |
| * Copyright (C) International Business Machines Corp., 2000-2002 |
| * Portions Copyright (C) Christoph Hellwig, 2001-2002 |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| * the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #ifndef _H_JFS_DEBUG |
| #define _H_JFS_DEBUG |
| |
| /* |
| * jfs_debug.h |
| * |
| * global debug message, data structure/macro definitions |
| * under control of CONFIG_JFS_DEBUG, CONFIG_JFS_STATISTICS; |
| */ |
| |
| /* |
| * Create /proc/fs/jfs if procfs is enabled andeither |
| * CONFIG_JFS_DEBUG or CONFIG_JFS_STATISTICS is defined |
| */ |
| #if defined(CONFIG_PROC_FS) && (defined(CONFIG_JFS_DEBUG) || defined(CONFIG_JFS_STATISTICS)) |
| #define PROC_FS_JFS |
| extern void jfs_proc_init(void); |
| extern void jfs_proc_clean(void); |
| #endif |
| |
| /* |
| * assert with traditional printf/panic |
| */ |
| #define assert(p) do { \ |
| if (!(p)) { \ |
| printk(KERN_CRIT "BUG at %s:%d assert(%s)\n", \ |
| __FILE__, __LINE__, #p); \ |
| BUG(); \ |
| } \ |
| } while (0) |
| |
| /* |
| * debug ON |
| * -------- |
| */ |
| #ifdef CONFIG_JFS_DEBUG |
| #define ASSERT(p) assert(p) |
| |
| /* printk verbosity */ |
| #define JFS_LOGLEVEL_ERR 1 |
| #define JFS_LOGLEVEL_WARN 2 |
| #define JFS_LOGLEVEL_DEBUG 3 |
| #define JFS_LOGLEVEL_INFO 4 |
| |
| extern int jfsloglevel; |
| |
| int jfs_txanchor_proc_show(struct seq_file *m, void *v); |
| |
| /* information message: e.g., configuration, major event */ |
| #define jfs_info(fmt, arg...) do { \ |
| if (jfsloglevel >= JFS_LOGLEVEL_INFO) \ |
| printk(KERN_INFO fmt "\n", ## arg); \ |
| } while (0) |
| |
| /* debug message: ad hoc */ |
| #define jfs_debug(fmt, arg...) do { \ |
| if (jfsloglevel >= JFS_LOGLEVEL_DEBUG) \ |
| printk(KERN_DEBUG fmt "\n", ## arg); \ |
| } while (0) |
| |
| /* warn message: */ |
| #define jfs_warn(fmt, arg...) do { \ |
| if (jfsloglevel >= JFS_LOGLEVEL_WARN) \ |
| printk(KERN_WARNING fmt "\n", ## arg); \ |
| } while (0) |
| |
| /* error event message: e.g., i/o error */ |
| #define jfs_err(fmt, arg...) do { \ |
| if (jfsloglevel >= JFS_LOGLEVEL_ERR) \ |
| printk(KERN_ERR fmt "\n", ## arg); \ |
| } while (0) |
| |
| /* |
| * debug OFF |
| * --------- |
| */ |
| #else /* CONFIG_JFS_DEBUG */ |
| #define ASSERT(p) do {} while (0) |
| #define jfs_info(fmt, arg...) do {} while (0) |
| #define jfs_debug(fmt, arg...) do {} while (0) |
| #define jfs_warn(fmt, arg...) do {} while (0) |
| #define jfs_err(fmt, arg...) do {} while (0) |
| #endif /* CONFIG_JFS_DEBUG */ |
| |
| /* |
| * statistics |
| * ---------- |
| */ |
| #ifdef CONFIG_JFS_STATISTICS |
| int jfs_lmstats_proc_show(struct seq_file *m, void *v); |
| int jfs_txstats_proc_show(struct seq_file *m, void *v); |
| int jfs_mpstat_proc_show(struct seq_file *m, void *v); |
| int jfs_xtstat_proc_show(struct seq_file *m, void *v); |
| |
| #define INCREMENT(x) ((x)++) |
| #define DECREMENT(x) ((x)--) |
| #define HIGHWATERMARK(x,y) ((x) = max((x), (y))) |
| #else |
| #define INCREMENT(x) |
| #define DECREMENT(x) |
| #define HIGHWATERMARK(x,y) |
| #endif /* CONFIG_JFS_STATISTICS */ |
| |
| #endif /* _H_JFS_DEBUG */ |