freebsd-dev/etc/rc.d/zfs
Andriy Gapon ebd3b79f20 rc.d/zfsbe: a new script designed for boot environment support
Currently zfsbe ensures that subordinate filesystems are mounted at the
right mount points.
The script assumes that the subordinate filesystems of a boot environment
have their canmount property set to noauto, so that they are not
automatically mounted on boot.  Whereas the root filesystem is mounted
by the kernel, there was nothing to mount its subordinates.
rc.d/zfsbe fills that gap.

Discussed with:	allanjude, will
MFC after:	3 weeks
Differential Revision: https://reviews.freebsd.org/D7797
2016-10-13 06:19:54 +00:00

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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: zfs
# REQUIRE: zfsbe
# BEFORE: FILESYSTEMS var
. /etc/rc.subr
name="zfs"
desc="Mount and share ZFS datasets"
rcvar="zfs_enable"
start_cmd="zfs_start"
stop_cmd="zfs_stop"
required_modules="zfs"
zfs_start_jail()
{
if [ `$SYSCTL_N security.jail.mount_allowed` -eq 1 ]; then
zfs mount -a
fi
}
zfs_start_main()
{
zfs mount -va
zfs share -a
if [ ! -r /etc/zfs/exports ]; then
touch /etc/zfs/exports
fi
}
zfs_start()
{
if [ `$SYSCTL_N security.jail.jailed` -eq 1 ]; then
zfs_start_jail
else
zfs_start_main
fi
}
zfs_stop_jail()
{
if [ `$SYSCTL_N security.jail.mount_allowed` -eq 1 ]; then
zfs unmount -a
fi
}
zfs_stop_main()
{
zfs unshare -a
zfs unmount -a
}
zfs_stop()
{
if [ `$SYSCTL_N security.jail.jailed` -eq 1 ]; then
zfs_stop_jail
else
zfs_stop_main
fi
}
load_rc_config $name
run_rc_command "$1"