File disktest_freespace.patch of Package autotest

--- tests/disktest/disktest.py
+++ tests/disktest/disktest.py
@@ -1,8 +1,12 @@
 import test
 from autotest_utils import *
-import os, sys
+import os, sys, statvfs
 from subprocess import *
 
+def freespace(path):
+        s = os.statvfs(path)
+	return s[statvfs.F_BAVAIL] * long(s[statvfs.F_BSIZE])
+
 class disktest(test.test):
 	version = 1
 
@@ -27,6 +31,9 @@
 	def execute(self, disks, gigabytes = 10, chunk_mb = memtotal()/1024):
 		os.chdir(self.srcdir)
 
+		gigabytes=freespace("/") / 1024 / 1024 / 1024
+	        print "resizing to %s GB" % gigabytes
+
 		self.chunk_mb = chunk_mb
 		self.memory_mb = memtotal()/1024
 		if self.memory_mb > chunk_mb: