diff -uNr linux-2.4.18.o/fs/reiserfs/inode.c linux-2.4.18/fs/reiserfs/inode.c
--- linux-2.4.18.o/fs/reiserfs/inode.c	Wed Feb 27 11:46:52 2002
+++ linux-2.4.18/fs/reiserfs/inode.c	Wed Feb 27 11:40:30 2002
@@ -1901,14 +1901,21 @@
 static inline void submit_bh_for_writepage(struct buffer_head **bhp, int nr) {
     struct buffer_head *bh ;
     int i;
+
+    /* lock them all first so the end_io handler doesn't unlock the page
+    ** too early
+    */
     for(i = 0 ; i < nr ; i++) {
         bh = bhp[i] ;
 	lock_buffer(bh) ;
 	set_buffer_async_io(bh) ;
+    }
+    for(i = 0 ; i < nr ; i++) {
 	/* submit_bh doesn't care if the buffer is dirty, but nobody
 	** later on in the call chain will be cleaning it.  So, we
 	** clean the buffer here, it still gets written either way.
 	*/
+        bh = bhp[i] ;
 	clear_bit(BH_Dirty, &bh->b_state) ;
 	set_bit(BH_Uptodate, &bh->b_state) ;
 	submit_bh(WRITE, bh) ;