Something

--- fusd-kor-1.10-11/kfusd/kfusd.c	2006-04-10 01:28:55.000000000 +0200
+++ fusd-kor-1.10-11.works/kfusd/kfusd.c	2007-02-27 02:44:05.000000000 +0100
@@ -57,7 +57,7 @@
 #include <linux/modversions.h>
 #endif
 
-#include <linux/config.h>
+//#include <linux/config.h>
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -67,7 +67,7 @@
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
-#include <linux/devfs_fs_kernel.h>
+//#include <linux/devfs_fs_kernel.h>
 #include <linux/poll.h>
 #include <linux/version.h>
 #include <linux/major.h>
@@ -90,7 +90,7 @@
 /* Default debug level for FUSD messages.  Has no effect unless
  * CONFIG_FUSD_DEBUG is defined. */
 #ifndef CONFIG_FUSD_DEBUGLEVEL
-#define CONFIG_FUSD_DEBUGLEVEL 2
+#define CONFIG_FUSD_DEBUGLEVEL 10
 #endif
 
 /* Define this to check for memory leaks */
@@ -178,7 +178,7 @@
 #ifdef CONFIG_FUSD_DEBUG
 
 STATIC int fusd_debug_level = CONFIG_FUSD_DEBUGLEVEL;
-MODULE_PARM(fusd_debug_level, "i");
+MODULE_PARM_DESC(fusd_debug_level, "i");
 
 #define BUFSIZE 1000 /* kernel's kmalloc pool has a 1012-sized bucket */
 
@@ -2033,7 +2033,7 @@
 #ifdef CONFIG_DEVFS_FS
 	devfs_remove(fusd_dev->name);
 #endif
-register_failed2:
+/*register_failed2:*/
 	unregister_chrdev_region(dev_id, 1);
 register_failed:
   KFREE(fusd_dev->name);
@@ -2313,17 +2313,24 @@
 }
 
 
+#if 0
 STATIC ssize_t fusd_writev(struct file *file,
 			   const struct iovec *iov,
 			   unsigned long count,
 			   loff_t *offset)
+#else
+STATIC ssize_t fusd_aio_write(struct kiocb *iocb,
+                             const struct iovec *iov,
+			     unsigned long count,
+			     loff_t pos)
+#endif
 {
   if (count != 2) {
     RDEBUG(2, "fusd_writev: got illegal iov count of %ld", count);
     return -EINVAL;
   }
 
-  return fusd_process_write(file,
+  return fusd_process_write(iocb->ki_filp,
 			    iov[0].iov_base, iov[0].iov_len,
 			    iov[1].iov_base, iov[1].iov_len);
 }
@@ -2514,7 +2521,11 @@
   open:     fusd_open,
   read:     fusd_read,
   write:    fusd_write,
+#if 0
   writev:   fusd_writev,
+#else
+  aio_write:fusd_aio_write,
+#endif
   release:  fusd_release,
   poll:     fusd_poll,
 };
@@ -2926,7 +2937,7 @@
 #ifdef CONFIG_DEVFS_FS
 	devfs_remove(FUSD_STATUS_FILENAME);
 #endif
-fail7:
+/*fail7:*/
 	unregister_chrdev_region(status_id, 1);
 fail6:
 	class_device_destroy(fusd_class, control_id);
@@ -2938,7 +2949,7 @@
 #ifdef CONFIG_DEVFS_FS
 	devfs_remove(FUSD_CONTROL_FILENAME);
 #endif
-fail2:
+/*fail2:*/
 	unregister_chrdev_region(control_id, 1);
 
 fail1:
@@ -2957,9 +2968,10 @@
 	cdev_del(fusd_control_device);
 	cdev_del(fusd_status_device);
 
+#ifdef CONFIG_DEVFS_FS
   devfs_remove(FUSD_CONTROL_FILENAME);
   devfs_remove(FUSD_STATUS_FILENAME);
-
+#endif
 
 	class_destroy(fusd_class);