#!/bin/bash
# called by dracut
check() {
local _rootdev
# 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
[[ "$fs" == "btrfs" ]] && return 0
done
return 255
}
return 0
}
# called by dracut
depends() {
echo udev-rules
return 0
}
# called by dracut
installkernel() {
instmods btrfs
# Make sure btfs can use fast crc32c implementations where available (bsc#1011554)
instmods crc32c-intel
}
# called by dracut
install() {
if ! inst_rules 64-btrfs.rules; then
inst_rules "$moddir/80-btrfs.rules"
case "$(btrfs --help)" in
*device\ ready*)
inst_script "$moddir/btrfs_device_ready.sh" /sbin/btrfs_finished ;;
*)
inst_script "$moddir/btrfs_finished.sh" /sbin/btrfs_finished ;;
esac
fi
if ! dracut_module_included "systemd"; then
inst_hook initqueue/timeout 10 "$moddir/btrfs_timeout.sh"
fi
inst_multiple -o btrfsck btrfs-zero-log
inst $(command -v btrfs) /sbin/btrfs
}