--- ./include/linux/raid/md.h~	Tue Jan 29 03:50:06 2002
+++ ./include/linux/raid/md.h	Wed Jan 30 04:12:14 2002
@@ -63,6 +63,9 @@
 #define MD_MINOR_VERSION                90
 #define MD_PATCHLEVEL_VERSION           0
 
+typedef wait_queue_head_t md_wait_queue_head_t;
+typedef spinlock_t md_spinlock_t;
+
 extern int md_size[MAX_MD_DEVS];
 extern struct hd_struct md_hd_struct[MAX_MD_DEVS];