5 # Let the command line override our host id.
6 spl_hostid=`getarg spl_hostid=`
7 if [ "${spl_hostid}" != "" ] ; then
8 info "ZFS: Using hostid from command line: ${spl_hostid}"
9 AA=`echo ${spl_hostid} | cut -b 1,2`
10 BB=`echo ${spl_hostid} | cut -b 3,4`
11 CC=`echo ${spl_hostid} | cut -b 5,6`
12 DD=`echo ${spl_hostid} | cut -b 7,8`
13 printf "\x$DD\x$CC\x$BB\x$AA" >/etc/hostid
14 elif [ -f /etc/hostid ] ; then
15 info "ZFS: Using hostid from /etc/hostid: `hostid`"
17 warn "ZFS: No hostid found on kernel command line or /etc/hostid. "
18 warn "ZFS: Pools may not import correctly."
23 # We'll take root unset, root=zfs, or root=zfs:
24 # No root set, so we want to read the bootfs attribute. We
25 # can't do that until udev settles so we'll set dummy values
26 # and hope for the best later on.
31 info "ZFS: Enabling autodetection of bootfs after udev settles."
34 ZFS\=*|zfs:*|zfs:FILESYSTEM\=*|FILESYSTEM\=*)
35 # root is explicit ZFS root. Parse it now. We can handle
36 # a root=... param in any of the following formats:
39 # root=zfs:FILESYSTEM=rpool/ROOT
40 # root=FILESYSTEM=rpool/ROOT
42 # Strip down to just the pool/fs
44 root="${root#FILESYSTEM=}"
45 root="zfs:${root#ZFS=}"
49 info "ZFS: Set ${root} as bootfs."
53 # Make sure Dracut is happy that we have a root and will wait for ZFS
54 # modules to settle before mounting.
55 if [ "${wait_for_zfs}" = "1" ]; then
56 ln -s /dev/null /dev/root 2>/dev/null
57 echo '[ -e /dev/zfs ]' > $hookdir/initqueue/finished/zfs.sh