[PATCH] v9fs: zero copy implementation

[linux-block.git] / fs / 9p / debug.h

diff --git a/fs/9p/debug.h b/fs/9p/debug.h
index 4445f06919d9bdf47040802abd2c825ffb0499c7..fe551032788b68b17f146174d36c6479733a0836 100644 (file)
--- a/fs/9p/debug.h
+++ b/fs/9p/debug.h
@@ -51,16 +51,23 @@ do { \
 #if DEBUG_DUMP_PKT
 static inline void dump_data(const unsigned char *data, unsigned int datalen)
 {
-       int i, j;
-       int len = datalen;
+       int i, n;
+       char buf[5*8];
 
-       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 " ");
+       n = 0;
+       i = 0;
+       while (i < datalen) {
+               n += snprintf(buf+n, sizeof(buf)-n, "%02x", data[i++]);
+               if (i%4 == 0)
+                       n += snprintf(buf+n, sizeof(buf)-n, " ");
+
+               if (i%16 == 0) {
+                       dprintk(DEBUG_ERROR, "%s\n", buf);
+                       n = 0;
+               }
        }
-       printk(KERN_DEBUG "\n");
+
+       dprintk(DEBUG_ERROR, "%s\n", buf);
 }
 #else                          /* DEBUG_DUMP_PKT */
 static inline void dump_data(const unsigned char *data, unsigned int datalen)