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#!/bin/sh
. /lib/dracut-lib.sh
# Let the command line override our host id.
spl_hostid=`getarg spl_hostid=`
if [ -n "${spl_hostid}" ] ; then
info "ZFS: Using hostid from command line: ${spl_hostid}"
AA=`echo ${spl_hostid} | cut -b 1,2`
BB=`echo ${spl_hostid} | cut -b 3,4`
CC=`echo ${spl_hostid} | cut -b 5,6`
DD=`echo ${spl_hostid} | cut -b 7,8`
printf "\x${DD}\x${CC}\x${BB}\x${AA}" >/etc/hostid
elif [ -f "/etc/hostid" ] ; then
info "ZFS: Using hostid from /etc/hostid: `hostid`"
else
warn "ZFS: No hostid found on kernel command line or /etc/hostid."
warn "ZFS: Pools may not import correctly."
fi
wait_for_zfs=0
case "${root}" in
""|zfs|zfs:)
# We'll take root unset, root=zfs, or root=zfs:
# No root set, so we want to read the bootfs attribute. We
# can't do that until udev settles so we'll set dummy values
# and hope for the best later on.
root="zfs:AUTO"
rootok=1
wait_for_zfs=1
info "ZFS: Enabling autodetection of bootfs after udev settles."
;;
ZFS\=*|zfs:*|zfs:FILESYSTEM\=*|FILESYSTEM\=*)
# root is explicit ZFS root. Parse it now. We can handle
# a root=... param in any of the following formats:
# root=ZFS=rpool/ROOT
# root=zfs:rpool/ROOT
# root=zfs:FILESYSTEM=rpool/ROOT
# root=FILESYSTEM=rpool/ROOT
# Strip down to just the pool/fs
root="${root#zfs:}"
root="${root#FILESYSTEM=}"
root="zfs:${root#ZFS=}"
rootok=1
wait_for_zfs=1
info "ZFS: Set ${root} as bootfs."
;;
esac
# Make sure Dracut is happy that we have a root and will wait for ZFS
# modules to settle before mounting.
if [ ${wait_for_zfs} -eq 1 ]; then
ln -s /dev/null /dev/root 2>/dev/null
echo '[ -e /dev/zfs ]' > "${hookdir}/initqueue/finished/zfs.sh"
fi
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