dracut/modules.d/90btrfs/btrfs_finished.sh

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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
if [ -e /dev/root ]; then
if strstr "$(udevadm info --query=env --name=/dev/root)" "ID_FS_TYPE=btrfs"; then
info "Checking, if btrfs device complete"
unset __btrfs_mount
mount -o ro /dev/root /tmp >/dev/null 2>&1
__btrfs_mount=$?
[ $__btrfs_mount -eq 0 ] && umount /dev/root >/dev/null 2>&1
exit $__btrfs_mount
fi
fi
exit 0