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fstab: Only overlay /etc/ssh 

There's really no sense in creating a writable copy of the whole `/etc`
hierarchy at `/run/etc/rw`.  Instead, let's just mount overlays at the
paths we want to make writable (which for now is only `/etc/ssh`).
gentoo
Dustin 2023-02-14 21:05:54 -06:00
parent f182a4329b
commit fe3cc25f6b
2 changed files with 2 additions and 2 deletions
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3
overlay/etc/fstab
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@ -1,4 +1,3 @@
PARTLABEL=dch-data /var btrfs subvol=var,nosuid,noexec,nodev 0 2 PARTLABEL=dch-data /var btrfs subvol=var,nosuid,noexec,nodev 0 2
PARTLABEL=dch-data /run/etc btrfs subvol=etc,nosuid,noexec,nodev 0 0 PARTLABEL=dch-data /run/etc btrfs subvol=etc,nosuid,noexec,nodev 0 0
overlay /run/etc/rw overlay lowerdir=/etc,upperdir=/run/etc/rw,workdir=/run/etc/.work 0 0 overlay /etc/ssh overlay lowerdir=/etc/ssh,upperdir=/run/etc/rw/ssh,workdir=/run/etc/.work,x-systemd.requires=run-etc.mount 0 0
/run/etc/rw/ssh /etc/ssh none bind 0 0

1
overlay/usr/libexec/init-storage
View File

@ -28,6 +28,7 @@ format_dev() {
mount "${dev}" "${tmpdir}" || exit mount "${dev}" "${tmpdir}" || exit
btrfs subvolume create "${tmpdir}"/etc || exit btrfs subvolume create "${tmpdir}"/etc || exit
mkdir -p "${tmpdir}"/etc/.work "${tmpdir}"/etc/rw || exit mkdir -p "${tmpdir}"/etc/.work "${tmpdir}"/etc/rw || exit
mkdir -p "${tmpdir}"/etc/rw/ssh
btrfs subvolume create "${tmpdir}"/var || exit btrfs subvolume create "${tmpdir}"/var || exit
btrfs subvolume create "${tmpdir}"/var/log || exit btrfs subvolume create "${tmpdir}"/var/log || exit
umount "${dev}" || exit umount "${dev}" || exit