Re: [PATCH] Create a symlink for the live image's base loop device

[Harald Hoyer <harald-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

On 20.12.2011 23:22, Brian C. Lane wrote:
> From: "Brian C. Lane" <bcl-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> 
> It is useful to know that loop device that the live image's / is mounted
> from. Make a /dev/live-baseloop symlink that points to it.
> ---
>  modules.d/90dmsquash-live/dmsquash-live-root |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/modules.d/90dmsquash-live/dmsquash-live-root b/modules.d/90dmsquash-live/dmsquash-live-root
> index b704139..cb104e4 100755
> --- a/modules.d/90dmsquash-live/dmsquash-live-root
> +++ b/modules.d/90dmsquash-live/dmsquash-live-root
> @@ -200,6 +200,9 @@ if [ -n "$ROOTFLAGS" ]; then
>      ROOTFLAGS="-o $ROOTFLAGS"
>  fi
>  
> +if [ -b "$BASE_LOOPDEV" ]; then
> +    ln -s $BASE_LOOPDEV /dev/live-baseloop
> +fi
>  ln -s /dev/mapper/live-rw /dev/root
>  printf '/bin/mount %s /dev/mapper/live-rw %s\n' "$ROOTFLAGS" "$NEWROOT" > $hookdir/mount/01-$$-live.sh
>  

changed the symlink to /run/initramfs/live-baseloop, because /dev should be only
be maintained by udev and the kernel