Fix disktest so it works by default with no paramters.

Signed-off-by: Martin J. Bligh <mbligh@google.com>



git-svn-id: http://test.kernel.org/svn/autotest/trunk@1084 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/client/tests/disktest/disktest.py b/client/tests/disktest/disktest.py
index 41d5521..219b3a7 100755
--- a/client/tests/disktest/disktest.py
+++ b/client/tests/disktest/disktest.py
@@ -24,9 +24,12 @@
 		return(p.pid)
 
 
-	def execute(self, disks, gigabytes = None, chunk_mb = memtotal()/1024):
+	def execute(self, disks = None, gigabytes = None,
+						chunk_mb = memtotal() / 1024):
 		os.chdir(self.srcdir)
 
+		if not disks:
+			disks = [self.tmpdir]
 		if not gigabytes:
 			free = 100       # cap it at 100GB by default
 			for disk in disks: