Inline
> On May 22, 2017, at 6:23 AM, Paul Spooren <p...@spooren.de> wrote:
>
> scripts/qemustart
>
> using squashfs results in a "no space left on device" error. You need to
> manually extend the new build with a tool like dd.
>
> This patch adds the --extend-squasfs parameter to enlarge the image to
> 64MB. The (64MB - 20MB =) ~44MB free space will be used by the
> overlayfs.
>
> This approach is very simple and resets the overlayfs if used twices.
>
> Signed-off-by: Paul Spooren <p...@spooren.de>
> ---
> scripts/qemustart | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/scripts/qemustart b/scripts/qemustart
> index f77c674a9c..4dc4051696 100755
> --- a/scripts/qemustart
> +++ b/scripts/qemustart
> @@ -85,6 +85,7 @@ usage() {
> cat >&2 <<EOF
> Usage: $SELF [-h|--help]
> $SELF [--do-setup]
> + $SELF [--extend-squashfs]
Can it take an argument and extend it by that many MB?
> $SELF <target>
> [<subtarget> [<extra-qemu-options>]]
> [--kernel <kernel>]
> @@ -124,7 +125,8 @@ parse_args() {
> echo "running setup"
> do_setup
> exit 0
> - ;;
> + ;;
Why does this line need to change?
> + --extend-squashfs) EXTEND_SQUASHFS=true; shift 1; ;;
> --kernel) o_kernel="$2"; shift 2 ;;
> --rootfs) o_rootfs="$2"; shift 2 ;;
> --help|-h)
> @@ -223,6 +225,11 @@ start_qemu_x86() {
>
> [ -n "$rootfs" ] || {
>
> rootfs="$o_bindir/lede-$o_target-${o_subtarget%-*}-combined-squashfs.img"
> + if [ -f "$rootfs" ] && [ "$EXTEND_SQUASHFS" ]; then
> + mv "$rootfs" "${rootfs}_org"
> + dd if=/dev/zero of="$rootfs" bs=1M count=64
> + dd if="${rootfs}_org" of="$rootfs" conv=notrunc
Also, can you use “conv=sparse” so it’s just allocating empty blocks?
-Philip
> + fi
> if [ ! -f "$rootfs" ]; then
>
> rootfs="$o_bindir/lede-$o_target-${o_subtarget%-*}-combined-ext4.img"
>
> --
> 2.11.0
>
>
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