File disktest_freespace.patch of Package autotest

--- tests/disktest/disktest.py
+++ tests/disktest/disktest.py
@@ -1,7 +1,10 @@
-import os, sys, subprocess
+import os, sys, subprocess, statfs
 from autotest_lib.client.bin import test, autotest_utils
 from autotest_lib.client.common_lib import utils, error
 
+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 +30,9 @@
     def execute(self, disks = ["/abuild", gigabytes = 10,
                             chunk_mb = autotest_utils.memtotal() / 1024):
         os.chdir(self.srcdir)
+	
+	gigabytes=freespace("/") / 1024 / 1024 / 1024
+	print "resizing to %s GB" % gigabytes
 
         if not disks:
             disks = [self.tmpdir]