From: Jeff Mahoney <jeffm@suse.com>
Subject: reiserfsprogs: mkfs should use O_EXCL

diff -rup reiserfsprogs-3.6.19/reiserfscore/reiserfslib.c reiserfsprogs-3.6.19.devel/reiserfscore/reiserfslib.c
--- reiserfsprogs-3.6.19/reiserfscore/reiserfslib.c	2007-02-20 22:00:14.298557000 +0100
+++ reiserfsprogs-3.6.19.devel/reiserfscore/reiserfslib.c	2007-02-20 22:01:47.703057000 +0100
@@ -206,7 +206,7 @@ reiserfs_filsys_t * reiserfs_create (cha
 	return 0;
     }
 
-    fs->fs_dev = open (filename, O_RDWR 
+    fs->fs_dev = open (filename, O_RDWR | O_EXCL
 #if defined(O_LARGEFILE)
 		       | O_LARGEFILE
 #endif