[PATCH] fix XFSQA #184 for multiple invocations

[Christoph Hellwig <hch@xxxxxx>]

Make sure the device node is removed before creating it to allow running
the testcase multiple times without recreating the filesystem.


Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Index: xfstests/184
===================================================================
RCS file: /cvs/xfs-cmds/xfstests/184,v
retrieving revision 1.1
diff -u -p -r1.1 184
--- xfstests/184        19 Dec 2007 05:14:33 -0000      1.1
+++ xfstests/184        12 Jan 2008 13:57:26 -0000
@@ -35,6 +35,7 @@ _supported_os IRIX Linux
 
 _setup_testdir
 
+rm -f $testdir/null
 mknod $testdir/null c 1 3
 chmod 666 $testdir/null
 echo fred > $testdir/null