mirror_zfs/dracut/90zfs/module-setup.sh.in
Lukas Wunner 07a3312f17 Amend Dracut module to export ZFS root on shutdown
Make use of Dracut's ability to restore the initramfs on shutdown and
pivot to it, allowing for a clean unmount and export of the ZFS root.
No need to force-import on every reboot anymore.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #2195
Issue #2476
Issue #2498
Issue #2556
Issue #2563
Issue #2575
Issue #2600
Issue #2755
Issue #2766
2014-10-07 10:20:56 -07:00

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#!/bin/sh
check() {
# We depend on udev-rules being loaded
[ "$1" = "-d" ] && return 0
# Verify the zfs tool chain
which zpool >/dev/null 2>&1 || return 1
which zfs >/dev/null 2>&1 || return 1
return 0
}
depends() {
echo udev-rules
return 0
}
installkernel() {
instmods zfs
instmods zcommon
instmods znvpair
instmods zavl
instmods zunicode
instmods spl
instmods zlib_deflate
instmods zlib_inflate
}
install() {
inst_rules @udevruledir@/90-zfs.rules
inst_rules @udevruledir@/69-vdev.rules
inst_rules @udevruledir@/60-zvol.rules
dracut_install @sbindir@/zfs
dracut_install @sbindir@/zpool
dracut_install @udevdir@/vdev_id
dracut_install @udevdir@/zvol_id
dracut_install mount.zfs
dracut_install hostid
inst_hook cmdline 95 "$moddir/parse-zfs.sh"
inst_hook mount 98 "$moddir/mount-zfs.sh"
inst_hook shutdown 30 "$moddir/export-zfs.sh"
if [ -e @sysconfdir@/zfs/zpool.cache ]; then
inst @sysconfdir@/zfs/zpool.cache
fi
# Synchronize initramfs and system hostid
TMP=`mktemp`
AA=`hostid | cut -b 1,2`
BB=`hostid | cut -b 3,4`
CC=`hostid | cut -b 5,6`
DD=`hostid | cut -b 7,8`
printf "\x$DD\x$CC\x$BB\x$AA" >$TMP
inst_simple "$TMP" /etc/hostid
rm "$TMP"
}