[PATCH] v9fs: debug and support routines
This part of the patch contains debug and other misc routines.
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/9p/debug.h b/fs/9p/debug.h
new file mode 100644
index 0000000..4445f06
--- /dev/null
+++ b/fs/9p/debug.h
@@ -0,0 +1,70 @@
+/*
+ * linux/fs/9p/debug.h - V9FS Debug Definitions
+ *
+ * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
+ * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
+ *
+ * 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:
+ * Free Software Foundation
+ * 51 Franklin Street, Fifth Floor
+ * Boston, MA 02111-1301 USA
+ *
+ */
+
+#define DEBUG_ERROR (1<<0)
+#define DEBUG_CURRENT (1<<1)
+#define DEBUG_9P (1<<2)
+#define DEBUG_VFS (1<<3)
+#define DEBUG_CONV (1<<4)
+#define DEBUG_MUX (1<<5)
+#define DEBUG_TRANS (1<<6)
+#define DEBUG_SLABS (1<<7)
+
+#define DEBUG_DUMP_PKT 0
+
+extern int v9fs_debug_level;
+
+#define dprintk(level, format, arg...) \
+do { \
+ if((v9fs_debug_level & level)==level) \
+ printk(KERN_NOTICE "-- %s (%d): " \
+ format , __FUNCTION__, current->pid , ## arg); \
+} while(0)
+
+#define eprintk(level, format, arg...) \
+do { \
+ printk(level "v9fs: %s (%d): " \
+ format , __FUNCTION__, current->pid , ## arg); \
+} while(0)
+
+#if DEBUG_DUMP_PKT
+static inline void dump_data(const unsigned char *data, unsigned int datalen)
+{
+ int i, j;
+ int len = datalen;
+
+ printk(KERN_DEBUG "data ");
+ for (i = 0; i < len; i += 4) {
+ for (j = 0; (j < 4) && (i + j < len); j++)
+ printk(KERN_DEBUG "%02x", data[i + j]);
+ printk(KERN_DEBUG " ");
+ }
+ printk(KERN_DEBUG "\n");
+}
+#else /* DEBUG_DUMP_PKT */
+static inline void dump_data(const unsigned char *data, unsigned int datalen)
+{
+
+}
+#endif /* DEBUG_DUMP_PKT */