Switch to truncate to allocate storage for images

Works in low memory situations
2016-01-12 18:13:03 -05:00
parent 6653bb6057
commit a25ec4a9b0
2 changed files with 4 additions and 4 deletions
--- a/mkimage.sh.in
+++ b/mkimage.sh.in
@@ -131,7 +131,7 @@ case "$DD_VERSION" in
 esac

 info_msg "Creating disk image ($IMGSIZE) ..."
-dd if=/dev/zero of=$FILENAME bs=$IMGSIZE count=1 ${DD_SPARSE} >/dev/null 2>&1
+truncate -s "${IMGSIZE}M" $FILENAME >/dev/null 2>&1

 ROOTFSDIR=$(mktemp -d)