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https://aur.archlinux.org/zfs-utils.git
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4d76893b86
In order to fulfill the intended purpose, one must redirect to /dev/null before redirecting stderr. Otherwise stderr just goes to the console on stdout...
120 lines
3.5 KiB
Bash
120 lines
3.5 KiB
Bash
#
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# WARNING: This script is parsed by ash in busybox at boot time, not bash!
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# http://linux.die.net/man/1/ash
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# https://wiki.ubuntu.com/DashAsBinSh
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# http://www.jpsdomain.org/public/2008-JP_bash_vs_dash.pdf
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#
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ZPOOL_FORCE=""
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ZPOOL_IMPORT_FLAGS=""
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zfs_get_bootfs () {
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for zfs_dataset in $(zpool list -H -o bootfs); do
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case ${zfs_dataset} in
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"" | "-")
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# skip this line/dataset
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;;
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"no pools available")
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return 1
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;;
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*)
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ZFS_DATASET=${zfs_dataset}
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return 0
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;;
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esac
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done
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return 1
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}
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zfs_mount_handler () {
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if [ "${ZFS_DATASET}" = "bootfs" ] ; then
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if ! zfs_get_bootfs ; then
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# Lets import everything and try again
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zpool import ${ZPOOL_IMPORT_FLAGS} -N -a ${ZPOOL_FORCE}
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if ! zfs_get_bootfs ; then
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die "ZFS: Cannot find bootfs."
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fi
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fi
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fi
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local pool="${ZFS_DATASET%%/*}"
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local rwopt_exp="${rwopt:-ro}"
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if ! zpool list -H "${pool}" >/dev/null 2>&1; then
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if [ ! "${rwopt_exp}" = "rw" ]; then
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msg "ZFS: Importing pool ${pool} readonly."
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ZPOOL_IMPORT_FLAGS="${ZPOOL_IMPORT_FLAGS} -o readonly=on"
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else
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msg "ZFS: Importing pool ${pool}."
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fi
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if ! zpool import ${ZPOOL_IMPORT_FLAGS} -N "${pool}" ${ZPOOL_FORCE} ; then
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die "ZFS: Unable to import pool ${pool}."
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fi
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fi
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local node="$1"
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local tab_file="${node}/etc/fstab"
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local zfs_datasets="$(zfs list -H -o name -t filesystem -r ${ZFS_DATASET})"
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# Mount the root, and any child datasets
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for dataset in ${zfs_datasets}; do
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mountpoint=$(zfs get -H -o value mountpoint "${dataset}")
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case ${mountpoint} in
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"none")
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# skip this line/dataset.
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;;
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"legacy")
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if [ -f "${tab_file}" ]; then
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if findmnt -snero source -F "${tab_file}" -S "${dataset}" > /dev/null 2>&1; then
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opt=$(findmnt -snero options -F "${tab_file}" -S "${dataset}")
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mnt=$(findmnt -snero target -F "${tab_file}" -S "${dataset}")
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mount -t zfs -o "${opt}" "${dataset}" "${node}${mnt}"
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fi
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fi
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;;
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*)
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mount -t zfs -o "zfsutil,${rwopt_exp}" "${dataset}" "${node}${mountpoint}"
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;;
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esac
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done
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}
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run_hook() {
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# Force import the pools, useful if the pool has not properly been exported using 'zpool export <pool>'
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[ ! "${zfs_force}" = "" ] && ZPOOL_FORCE="-f"
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# Add import directory to import command flags
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[ ! "${zfs_import_dir}" = "" ] && ZPOOL_IMPORT_FLAGS="${ZPOOL_IMPORT_FLAGS} -d ${zfs_import_dir}"
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# Wait 15 seconds for ZFS devices to show up
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[ "${zfs_wait}" = "" ] && ZFS_WAIT="15" || ZFS_WAIT="${zfs_wait}"
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[ "${root}" = "zfs" ] && mount_handler="zfs_mount_handler"
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case ${zfs} in
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"")
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# skip this line/dataset
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;;
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auto|bootfs)
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ZFS_DATASET="bootfs"
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mount_handler="zfs_mount_handler"
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;;
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*)
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ZFS_DATASET="${zfs}"
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mount_handler="zfs_mount_handler"
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;;
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esac
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# Allow up to n seconds for zfs device to show up
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for i in $(seq 1 ${ZFS_WAIT}); do
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[ -c "/dev/zfs" ] && break
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sleep 1
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done
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}
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run_latehook () {
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zpool import -N -a ${ZPOOL_FORCE}
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}
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# vim:set ts=4 sw=4 ft=sh et:
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