diff -urN v2.4.5/fs/reiserfs/super.c linux/fs/reiserfs/super.c
--- v2.4.5/fs/reiserfs/super.c	Sun Apr 29 16:02:25 2001
+++ linux/fs/reiserfs/super.c	Sat May 26 19:10:16 2001
@@ -104,7 +104,8 @@
 {
   int i;
   struct reiserfs_transaction_handle th ;
-  
+
+  lock_kernel() ;  
   /* change file system state to current state if it was mounted with read-write permissions */
   if (!(s->s_flags & MS_RDONLY)) {
     journal_begin(&th, s, 10) ;
@@ -117,6 +118,7 @@
   ** to do a journal_end
   */
   journal_release(&th, s) ;
+  unlock_kernel() ;
 
   for (i = 0; i < SB_BMAP_NR (s); i ++)
     brelse (SB_AP_BITMAP (s)[i]);

.