[OE-core] [PATCH 1/2] init-install.sh: Switch to using static device paths.
ChenQi
Qi.Chen at windriver.com
Mon Jan 12 02:05:08 UTC 2015
On 01/09/2015 11:52 PM, Drew Moseley wrote:
> Use static device paths for mounting from /dev/disk/<blah> in
> case the device ordering changes.
>
> Signed-off-by: Drew Moseley <drew_moseley at mentor.com>
> ---
> meta/recipes-core/initrdscripts/files/init-install.sh | 14 ++++++++++----
> 1 file changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/meta/recipes-core/initrdscripts/files/init-install.sh b/meta/recipes-core/initrdscripts/files/init-install.sh
> index fb537ee..f924418 100644
> --- a/meta/recipes-core/initrdscripts/files/init-install.sh
> +++ b/meta/recipes-core/initrdscripts/files/init-install.sh
> @@ -156,6 +156,12 @@ mkfs.ext3 $rootfs
> echo "Formatting swap partition...($swap)"
> mkswap $swap
>
> +# Determine the static device paths
> +sync; udevadm settle
> +bootfs_static="$(udevadm info --query=property --name=$bootfs | grep DEVLINKS= | cut -d= -f2 | cut -d\ -f1)"
> +swap_static="$(udevadm info --query=property --name=$swap | grep DEVLINKS= | cut -d= -f2 | cut -d\ -f1)"
> +rootfs_uuid="$(udevadm info --query=property --name=$rootfs | grep ID_PART_ENTRY_UUID | cut -d= -f2)"
> +
Would ID_PART_ENTRY_UUID be always there?
> mkdir /tgt_root
> mkdir /src_root
> mkdir -p /boot
> @@ -166,8 +172,8 @@ mount -o rw,loop,noatime,nodiratime /run/media/$1/$2 /src_root
> echo "Copying rootfs files..."
> cp -a /src_root/* /tgt_root
> if [ -d /tgt_root/etc/ ] ; then
> - echo "$swap swap swap defaults 0 0" >> /tgt_root/etc/fstab
> - echo "$bootfs /boot ext3 defaults 1 2" >> /tgt_root/etc/fstab
> + echo "$swap_static swap swap defaults 0 0" >> /tgt_root/etc/fstab
> + echo "$bootfs_static /boot ext3 defaults 1 2" >> /tgt_root/etc/fstab
> # We dont want udev to mount our root device while we're booting...
> if [ -d /tgt_root/etc/udev/ ] ; then
> echo "/dev/${device}" >> /tgt_root/etc/udev/mount.blacklist
> @@ -186,7 +192,7 @@ if [ -f /etc/grub.d/00_header ] ; then
> cat >$GRUBCFG <<_EOF
> menuentry "Linux" {
> set root=(hd0,1)
> - linux /vmlinuz root=$rootfs $rootwait rw $5 $3 $4 quiet
> + linux /vmlinuz root=PARTUUID=$rootfs_uuid $rootwait rw $5 $3 $4 quiet
I thought PARTUUID is for GPT only.
Regards,
Chen Qi
> }
> _EOF
> chmod 0444 $GRUBCFG
> @@ -201,7 +207,7 @@ if [ ! -f /boot/grub/grub.cfg ] ; then
> echo "timeout 30" >> /boot/grub/menu.lst
> echo "title Live Boot/Install-Image" >> /boot/grub/menu.lst
> echo "root (hd0,0)" >> /boot/grub/menu.lst
> - echo "kernel /vmlinuz root=$rootfs rw $3 $4 quiet" >> /boot/grub/menu.lst
> + echo "kernel /vmlinuz root=PARTUUID=$rootfs_uuid rw $3 $4 quiet" >> /boot/grub/menu.lst
> fi
>
> cp /run/media/$1/vmlinuz /boot/
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