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|
#!@SHELL@
#
# zfs-mount This script will mount/umount the zfs filesystems.
#
# chkconfig: 2345 06 99
# description: This script will mount/umount the zfs filesystems during
# system boot/shutdown. Configuration of which filesystems
# should be mounted is handled by the zfs 'mountpoint' and
# 'canmount' properties. See the zfs(8) man page for details.
# It is also responsible for all userspace zfs services.
# probe: true
#
### BEGIN INIT INFO
# Provides: zfs-mount
# Required-Start: $local_fs zfs-import
# Required-Stop: $local_fs zfs-import
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# X-Stop-After: zfs-share
# Short-Description: Mount ZFS filesystems and volumes
# Description: Run the `zfs mount -a` or `zfs umount -a` commands.
### END INIT INFO
#
# Released under the 2-clause BSD license.
#
# The original script that acted as a template for this script came from
# the Debian GNU/Linux kFreeBSD ZFS packages (which did not include a
# licensing stansa) in the commit dated Mar 24, 2011:
# https://github.com/zfsonlinux/pkg-zfs/commit/80a3ae582b59c0250d7912ba794dca9e669e605a
# Source the common init script
. @sysconfdir@/zfs/zfs-functions
# ----------------------------------------------------
chkroot() {
while read line; do
set -- $line
if [ "$2" = "/" ]; then
return 0
fi
done < /etc/mtab
return 1
}
do_depend()
{
after procfs zfs-import sysfs procps
use mtab
keyword -lxc -openvz -prefix -vserver
}
# Mount all datasets/filesystems
do_mount()
{
local verbose overlay i mntpt val
[ "$VERBOSE_MOUNT" = 'yes' ] && verbose=v
[ "$OVERLAY_MOUNTS" = 'yes' ] && overlay=O
zfs_action "Mounting ZFS filesystem(s)" \
"$ZFS" mount -a$verbose$overlay "$MOUNT_EXTRA_OPTIONS"
# Require each volume/filesytem to have 'noauto' and no fsck
# option. This shouldn't really be necessary, as long as one
# can get zfs-import to run sufficiently early on in the boot
# process - before local mounts. This is just here in case/if
# this isn't possible.
[ "$VERBOSE_MOUNT" = 'yes' ] && \
zfs_log_begin_msg "Mounting volumes and filesystems registered in fstab"
read_mtab "^/dev/(zd|zvol)"
read_fstab "^/dev/(zd|zvol)"
i=0; var=$(eval echo FSTAB_$i)
while [ -n "$(eval echo "$""$var")" ]
do
mntpt=$(eval echo "$""$var")
dev=$(eval echo "$"FSTAB_dev_$i)
if ! in_mtab "$mntpt" && ! is_mounted "$mntpt" && [ -e "$dev" ]
then
[ "$VERBOSE_MOUNT" = 'yes' ] && \
zfs_log_progress_msg "$mntpt "
fsck "$dev" && mount "$mntpt"
fi
i=$((i + 1))
var=$(eval echo FSTAB_$i)
done
read_mtab "[[:space:]]zfs[[:space:]]"
read_fstab "[[:space:]]zfs[[:space:]]"
i=0; var=$(eval echo FSTAB_$i)
while [ -n "$(eval echo "$""$var")" ]
do
mntpt=$(eval echo "$""$var")
if ! in_mtab "$mntpt" && ! is_mounted "$mntpt"
then
[ "$VERBOSE_MOUNT" = 'yes' ] && \
zfs_log_progress_msg "$mntpt "
mount "$mntpt"
fi
i=$((i + 1))
var=$(eval echo FSTAB_$i)
done
[ "$VERBOSE_MOUNT" = 'yes' ] && zfs_log_end_msg 0
return 0
}
# Unmount all filesystems
do_unmount()
{
local i var mntpt
# This shouldn't really be necessary, as long as one can get
# zfs-import to run sufficiently late in the shutdown/reboot process
# - after unmounting local filesystems. This is just here in case/if
# this isn't possible.
zfs_action "Unmounting ZFS filesystems" "$ZFS" unmount -a
[ "$VERBOSE_MOUNT" = 'yes' ] && \
zfs_log_begin_msg "Unmounting volumes and filesystems registered in fstab"
read_mtab "^/dev/(zd|zvol)"
read_fstab "^/dev/(zd|zvol)"
i=0; var=$(eval echo FSTAB_$i)
while [ -n "$(eval echo "$""$var")" ]
do
mntpt=$(eval echo "$""$var")
dev=$(eval echo "$"FSTAB_dev_$i)
if in_mtab "$mntpt"
then
[ "$VERBOSE_MOUNT" = 'yes' ] && \
zfs_log_progress_msg "$mntpt "
umount "$mntpt"
fi
i=$((i + 1))
var=$(eval echo FSTAB_$i)
done
read_mtab "[[:space:]]zfs[[:space:]]"
read_fstab "[[:space:]]zfs[[:space:]]"
i=0; var=$(eval echo FSTAB_$i)
while [ -n "$(eval echo "$""$var")" ]
do
mntpt=$(eval echo "$""$var")
if in_mtab "$mntpt"; then
[ "$VERBOSE_MOUNT" = 'yes' ] && \
zfs_log_progress_msg "$mntpt "
umount "$mntpt"
fi
i=$((i + 1))
var=$(eval echo FSTAB_$i)
done
[ "$VERBOSE_MOUNT" = 'yes' ] && zfs_log_end_msg 0
return 0
}
do_start()
{
check_module_loaded || exit 0
case "$ZFS_MOUNT" in
[Oo][Ff][Ff]|[Nn][Oo]|''|0)
exit 3
;;
esac
# Ensure / exists in /etc/mtab, if not update mtab accordingly.
# This should be handled by rc.sysinit but lets be paranoid.
if ! chkroot
then
mount -f /
fi
do_mount
}
do_stop()
{
case "$ZFS_UNMOUNT" in
[Oo][Ff][Ff]|[Nn][Oo]|''|0)
exit 0
;;
esac
check_module_loaded || exit 0
do_unmount
}
# ----------------------------------------------------
if [ ! -e /etc/gentoo-release ]
then
case "$1" in
start)
do_start
;;
stop)
do_stop
;;
force-reload|condrestart|reload|restart|status)
# no-op
;;
*)
[ -n "$1" ] && echo "Error: Unknown command $1."
echo "Usage: $0 {start|stop}"
exit 3
;;
esac
exit $?
else
# Create wrapper functions since Gentoo don't use the case part.
depend() { do_depend; }
start() { do_start; }
stop() { do_stop; }
fi
|
