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7e8a2d0b75
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Manuel Amador (Rudd-O) <rudd-o@rudd-o.com> Closes #5228 Closes #5238
106 lines
2.2 KiB
Bash
Executable File
106 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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command -v getarg >/dev/null || . /lib/dracut-lib.sh
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command -v getargbool >/dev/null || {
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# Compatibility with older Dracut versions.
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# With apologies to the Dracut developers.
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getargbool() {
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local _b
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unset _b
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local _default
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_default="$1"; shift
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_b=$(getarg "$@")
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[ $? -ne 0 -a -z "$_b" ] && _b="$_default"
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if [ -n "$_b" ]; then
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[ $_b = "0" ] && return 1
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[ $_b = "no" ] && return 1
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[ $_b = "off" ] && return 1
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fi
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return 0
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}
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}
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OLDIFS="${IFS}"
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NEWLINE="
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"
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ZPOOL_IMPORT_OPTS=""
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if getargbool 0 zfs_force -y zfs.force -y zfsforce ; then
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warn "ZFS: Will force-import pools if necessary."
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ZPOOL_IMPORT_OPTS="${ZPOOL_IMPORT_OPTS} -f"
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fi
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# find_bootfs
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# returns the first dataset with the bootfs attribute.
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find_bootfs() {
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IFS="${NEWLINE}"
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for dataset in $(zpool list -H -o bootfs); do
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case "${dataset}" in
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"" | "-")
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continue
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;;
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"no pools available")
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IFS="${OLDIFS}"
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return 1
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;;
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*)
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IFS="${OLDIFS}"
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echo "${dataset}"
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return 0
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;;
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esac
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done
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IFS="${OLDIFS}"
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return 1
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}
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# import_pool POOL
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# imports the given zfs pool if it isn't imported already.
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import_pool() {
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local pool="${1}"
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if ! zpool list -H "${pool}" 2>&1 > /dev/null ; then
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info "ZFS: Importing pool ${pool}..."
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if ! zpool import -N ${ZPOOL_IMPORT_OPTS} "${pool}" ; then
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warn "ZFS: Unable to import pool ${pool}"
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return 1
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fi
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fi
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return 0
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}
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# mount_dataset DATASET
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# mounts the given zfs dataset.
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mount_dataset() {
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local dataset="${1}"
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local mountpoint="$(zfs get -H -o value mountpoint "${dataset}")"
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# We need zfsutil for non-legacy mounts and not for legacy mounts.
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if [ "${mountpoint}" = "legacy" ] ; then
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mount -t zfs "${dataset}" "${NEWROOT}"
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else
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mount -o zfsutil -t zfs "${dataset}" "${NEWROOT}"
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fi
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return $?
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}
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# export_all OPTS
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# exports all imported zfs pools.
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export_all() {
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local opts="${@}"
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local ret=0
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IFS="${NEWLINE}"
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for pool in `zpool list -H -o name` ; do
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if zpool list -H "${pool}" 2>&1 > /dev/null ; then
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zpool export "${pool}" ${opts} || ret=$?
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fi
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done
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IFS="${OLDIFS}"
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return ${ret}
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}
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