zfs/dracut/90zfs/parse-zfs.sh.in

51 lines
1.4 KiB
Bash
Executable File

#!/bin/sh
. /lib/dracut-lib.sh
# Let the command line override our host id.
spl_hostid=`getarg spl_hostid=`
if [ "${spl_hostid}" != "" ] ; then
info "ZFS: Using hostid from command line: ${spl_hostid}"
echo "${spl_hostid}" > /etc/hostid
elif [ -f /etc/hostid ] ; then
info "ZFS: Using hostid from /etc/hostid: `cat /etc/hostid`"
else
warn "ZFS: No hostid found on kernel command line or /etc/hostid. "
warn "ZFS: Pools may not import correctly."
fi
case "$root" in
""|zfs|zfs:)
# We'll take root unset, root=zfs, or root=zfs:
# No root set, so we want to read the bootfs attribute. We can't do
# that until udev settles so we'll set dummy values and hope for the
# best later on.
root="zfs:AUTO"
rootok=1
info "ZFS: Enabling autodetection of bootfs after udev settles."
;;
ZFS\=*|zfs:*|zfs:FILESYSTEM\=*|FILESYSTEM\=*)
# root is explicit ZFS root. Parse it now.
# We can handle a root=... param in any of the following formats:
# root=ZFS=rpool/ROOT
# root=zfs:rpool/ROOT
# root=zfs:FILESYSTEM=rpool/ROOT
# root=FILESYSTEM=rpool/ROOT
# Strip down to just the pool/fs
root="${root#zfs:}"
root="${root#FILESYSTEM=}"
root="zfs:${root#ZFS=}"
rootok=1
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.
ln -s /dev/null /dev/root 2>/dev/null
echo '[ -e /dev/zfs ]' > $hookdir/initqueue/finished/zfs.sh