jfs_debug.h
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上传日期:2013-04-10
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文件大小:3k
- /*
- * 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
- #endif
- /*
- * assert with traditional printf/panic
- */
- #ifdef CONFIG_KERNEL_ASSERTS
- /* kgdb stuff */
- #define assert(p) KERNEL_ASSERT(#p, p)
- #else
- #define assert(p) {
- if (!(p))
- {
- printk("assert(%s)n",#p);
- BUG();
- }
- }
- #endif
- /*
- * debug ON
- * --------
- */
- #ifdef CONFIG_JFS_DEBUG
- #define ASSERT(p) assert(p)
- /* dump memory contents */
- extern void dump_mem(char *label, void *data, int length);
- extern int jfsloglevel;
- /* information message: e.g., configuration, major event */
- #define jFYI(button, prspec)
- do { if (button && jfsloglevel > 1) printk prspec; } while (0)
- /* error event message: e.g., i/o error */
- extern int jfsERROR;
- #define jERROR(button, prspec)
- do { if (button && jfsloglevel > 0) { printk prspec; } } while (0)
- /* debug event message: */
- #define jEVENT(button,prspec)
- do { if (button) printk prspec; } while (0)
- /*
- * debug OFF
- * ---------
- */
- #else /* CONFIG_JFS_DEBUG */
- #define dump_mem(label,data,length)
- #define ASSERT(p)
- #define jEVENT(button,prspec)
- #define jERROR(button,prspec)
- #define jFYI(button,prspec)
- #endif /* CONFIG_JFS_DEBUG */
- /*
- * statistics
- * ----------
- */
- #ifdef CONFIG_JFS_STATISTICS
- #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 */