File disktest.patch of Package autotest

--- tests/disktest/disktest.py
+++ tests/disktest/disktest.py
@@ -24,14 +24,14 @@
         return(p.pid)
 
 
-    def execute(self, disks = None, gigabytes = None,
+    def execute(self, disks = ["/abuild", gigabytes = 10,
                             chunk_mb = autotest_utils.memtotal() / 1024):
         os.chdir(self.srcdir)
 
         if not disks:
             disks = [self.tmpdir]
         if not gigabytes:
-            free = 100       # cap it at 100GB by default
+            free = 10       # cap it at 10GB by default
             for disk in disks:
                 free = min(autotest_utils.freespace(disk) / 1024**3, free)
             gigabytes = free