Fix bug inside recordRootFsSize

src/scripts/mod_for_test_scripts/000recordRootFsSize

Index: src/scripts/mod_for_test_scripts/000recordRootFsSize
diff --git a/src/scripts/mod_for_test_scripts/000recordRootFsSize b/src/scripts/mod_for_test_scripts/000recordRootFsSize
index 983ee00116b0cdfbfca52d4611fe29d39772dd1e..7ba224c5a85fe3e11ba271983f6a577e4f1b3dda 100755
--- a/src/scripts/mod_for_test_scripts/000recordRootFsSize
+++ b/src/scripts/mod_for_test_scripts/000recordRootFsSize
@@ -13,7 +13,7 @@ echo "Recording production image size."
 FILE="${ROOT_FS_DIR}/root/bytes-rootfs-prod"
 if [[ ! -f "${FILE}"  ]]; then
   # This will complain it cannot find a valid mtab so keep it quiet.
-  df -B1 / 2>/dev/null | tail -1 | awk '{ print $3 }' > "${FILE}"
+  df -B1 -P 2>/dev/null | grep ${ROOT_FS_DIR} | awk '{ print $3 }' > "${FILE}"

[kmixter1, 2010/03/22 16:12:54]

Could df -B1 ${ROOT_FS_DIR} be used instead?  It's ok this way though.

 else
   echo "  Not modifying existing ${FILE}."
 fi