projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| eda3d4e1 ST |
1 | #!/bin/sh |
| 2 | ||
| 01d01ef0 | 3 | command -v getarg >/dev/null || . /lib/dracut-lib.sh |
| d402c18d MAR |
4 | command -v getargbool >/dev/null || { |
| 5 | # Compatibility with older Dracut versions. | |
| 6 | # With apologies to the Dracut developers. | |
| 7 | getargbool() { | |
| 8 | local _b | |
| 9 | unset _b | |
| 10 | local _default | |
| 11 | _default="$1"; shift | |
| 12 | _b=$(getarg "$@") | |
| 13 | [ $? -ne 0 -a -z "$_b" ] && _b="$_default" | |
| 14 | if [ -n "$_b" ]; then | |
| 15 | [ $_b = "0" ] && return 1 | |
| 16 | [ $_b = "no" ] && return 1 | |
| 17 | [ $_b = "off" ] && return 1 | |
| 18 | fi | |
| 19 | return 0 | |
| 20 | } | |
| 21 | } | |
| eda3d4e1 ST |
22 | |
| 23 | OLDIFS="${IFS}" | |
| 24 | NEWLINE=" | |
| 25 | " | |
| 26 | ||
| 27 | ZPOOL_IMPORT_OPTS="" | |
| 28 | if getargbool 0 zfs_force -y zfs.force -y zfsforce ; then | |
| 29 | warn "ZFS: Will force-import pools if necessary." | |
| 30 | ZPOOL_IMPORT_OPTS="${ZPOOL_IMPORT_OPTS} -f" | |
| 31 | fi | |
| 32 | ||
| 33 | # find_bootfs | |
| 34 | # returns the first dataset with the bootfs attribute. | |
| 35 | find_bootfs() { | |
| 36 | IFS="${NEWLINE}" | |
| 37 | for dataset in $(zpool list -H -o bootfs); do | |
| 38 | case "${dataset}" in | |
| 39 | "" | "-") | |
| 40 | continue | |
| 41 | ;; | |
| 42 | "no pools available") | |
| 43 | IFS="${OLDIFS}" | |
| 44 | return 1 | |
| 45 | ;; | |
| 46 | *) | |
| 47 | IFS="${OLDIFS}" | |
| 48 | echo "${dataset}" | |
| 49 | return 0 | |
| 50 | ;; | |
| 51 | esac | |
| 52 | done | |
| 53 | ||
| 54 | IFS="${OLDIFS}" | |
| 55 | return 1 | |
| 56 | } | |
| 57 | ||
| 58 | # import_pool POOL | |
| 59 | # imports the given zfs pool if it isn't imported already. | |
| 60 | import_pool() { | |
| 61 | local pool="${1}" | |
| 62 | ||
| 63 | if ! zpool list -H "${pool}" 2>&1 > /dev/null ; then | |
| 64 | info "ZFS: Importing pool ${pool}..." | |
| 65 | if ! zpool import -N ${ZPOOL_IMPORT_OPTS} "${pool}" ; then | |
| 66 | warn "ZFS: Unable to import pool ${pool}" | |
| 67 | return 1 | |
| 68 | fi | |
| 69 | fi | |
| 70 | ||
| 71 | return 0 | |
| 72 | } | |
| 73 | ||
| 74 | # mount_dataset DATASET | |
| 75 | # mounts the given zfs dataset. | |
| 76 | mount_dataset() { | |
| 77 | local dataset="${1}" | |
| 78 | local mountpoint="$(zfs get -H -o value mountpoint "${dataset}")" | |
| 79 | ||
| 80 | # We need zfsutil for non-legacy mounts and not for legacy mounts. | |
| 81 | if [ "${mountpoint}" = "legacy" ] ; then | |
| 82 | mount -t zfs "${dataset}" "${NEWROOT}" | |
| 83 | else | |
| 84 | mount -o zfsutil -t zfs "${dataset}" "${NEWROOT}" | |
| 85 | fi | |
| 86 | ||
| 87 | return $? | |
| 88 | } | |
| 89 | ||
| 90 | # export_all OPTS | |
| 91 | # exports all imported zfs pools. | |
| 92 | export_all() { | |
| 93 | local opts="${1}" | |
| 94 | local ret=0 | |
| 95 | ||
| 96 | IFS="${NEWLINE}" | |
| 97 | for pool in `zpool list -H -o name` ; do | |
| 98 | if zpool list -H "${pool}" 2>&1 > /dev/null ; then | |
| 99 | zpool export "${pool}" ${opts} || ret=$? | |
| 100 | fi | |
| 101 | done | |
| 102 | IFS="${OLDIFS}" | |
| 103 | ||
| 104 | return ${ret} | |
| 105 | } |