patch-2.4.20 linux-2.4.20/fs/jfs/jfs_debug.h
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- Lines: 104
- Date:
Thu Nov 28 15:53:15 2002
- Orig file:
linux-2.4.19/fs/jfs/jfs_debug.h
- Orig date:
Wed Dec 31 16:00:00 1969
diff -urN linux-2.4.19/fs/jfs/jfs_debug.h linux-2.4.20/fs/jfs/jfs_debug.h
@@ -0,0 +1,103 @@
+/*
+ * 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 */
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