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#!/bin/bash
# called by dracut
check() {
# if we don't have btrfs installed on the host system,
# no point in trying to support it in the initramfs.
require_binaries btrfs || return 1
[[ $hostonly ]] || [[ $mount_needs ]] && {
for fs in "${host_fs_types[@]}"; do
[[ $fs == "btrfs" ]] && return 0
done
return 255
}
return 0
}
# called by dracut
depends() {
echo udev-rules initqueue
return 0
}
# called by dracut
cmdline() {
# Hack for slow machines
# see https://github.com/dracutdevs/dracut/issues/658
printf " rd.driver.pre=btrfs"
}
# called by dracut
installkernel() {
hostonly='' instmods btrfs
}
# called by dracut
install() {
if ! inst_rules 64-btrfs.rules; then
inst_rules "$moddir/80-btrfs.rules"
case "$(btrfs --help)" in
*device\ ready*)
inst_script "$moddir/btrfs_device_ready.sh" /sbin/btrfs_finished
;;
*)
inst_script "$moddir/btrfs_finished.sh" /sbin/btrfs_finished
;;
esac
else
inst_rules 64-btrfs-dm.rules
fi
if ! dracut_module_included "systemd"; then
inst_hook initqueue/timeout 10 "$moddir/btrfs_timeout.sh"
fi
inst_multiple -o btrfsck btrfs-zero-log btrfstune
inst btrfs /sbin/btrfs
if [[ $hostonly_cmdline == "yes" ]]; then
printf "%s\n" "$(cmdline)" > "${initdir}/etc/cmdline.d/20-btrfs.conf"
fi
}
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