projects / mirror_zfs-debian.git / blame
| Commit | Line | Data |
|---|---|---|
| e10b0808 AX |
1 | #!/bin/sh |
| 2 | ||
| 3 | . /lib/dracut-zfs-lib.sh | |
| 4 | ||
| 5 | ZFS_DATASET="" | |
| 6 | ZFS_POOL="" | |
| 7 | ||
| 8 | case "${root}" in | |
| 9 | zfs:*) ;; | |
| 10 | *) return ;; | |
| 11 | esac | |
| 12 | ||
| cae5b340 AX |
13 | GENERATOR_FILE=/run/systemd/generator/sysroot.mount |
| 14 | GENERATOR_EXTENSION=/run/systemd/generator/sysroot.mount.d/zfs-enhancement.conf | |
| 15 | ||
| 16 | if [ -e "$GENERATOR_FILE" -a -e "$GENERATOR_EXTENSION" ] ; then | |
| 17 | # If the ZFS sysroot.mount flag exists, the initial RAM disk configured | |
| 18 | # it to mount ZFS on root. In that case, we bail early. This flag | |
| 19 | # file gets created by the zfs-generator program upon successful run. | |
| 20 | info "ZFS: There is a sysroot.mount and zfs-generator has extended it." | |
| 21 | info "ZFS: Delegating root mount to sysroot.mount." | |
| 22 | # Let us tell the initrd to run on shutdown. | |
| 23 | # We have a shutdown hook to run | |
| 24 | # because we imported the pool. | |
| 25 | # We now prevent Dracut from running this thing again. | |
| 26 | for zfsmounthook in "$hookdir"/mount/*zfs* ; do | |
| 27 | if [ -f "$zfsmounthook" ] ; then | |
| 28 | rm -f "$zfsmounthook" | |
| 29 | fi | |
| 30 | done | |
| 31 | return | |
| 32 | fi | |
| 33 | info "ZFS: No sysroot.mount exists or zfs-generator did not extend it." | |
| 34 | info "ZFS: Mounting root with the traditional mount-zfs.sh instead." | |
| 35 | ||
| e10b0808 | 36 | # Delay until all required block devices are present. |
| 42f7b73b | 37 | modprobe zfs 2>/dev/null |
| e10b0808 AX |
38 | udevadm settle |
| 39 | ||
| 40 | if [ "${root}" = "zfs:AUTO" ] ; then | |
| 41 | ZFS_DATASET="$(find_bootfs)" | |
| 42 | if [ $? -ne 0 ] ; then | |
| 43 | zpool import -N -a ${ZPOOL_IMPORT_OPTS} | |
| 44 | ZFS_DATASET="$(find_bootfs)" | |
| 45 | if [ $? -ne 0 ] ; then | |
| 46 | warn "ZFS: No bootfs attribute found in importable pools." | |
| cae5b340 | 47 | export_all -F |
| e10b0808 AX |
48 | |
| 49 | rootok=0 | |
| 50 | return 1 | |
| 51 | fi | |
| 52 | fi | |
| 53 | info "ZFS: Using ${ZFS_DATASET} as root." | |
| 54 | fi | |
| 55 | ||
| 56 | ZFS_DATASET="${ZFS_DATASET:-${root#zfs:}}" | |
| 57 | ZFS_POOL="${ZFS_DATASET%%/*}" | |
| 58 | ||
| 59 | if import_pool "${ZFS_POOL}" ; then | |
| cae5b340 AX |
60 | # Let us tell the initrd to run on shutdown. |
| 61 | # We have a shutdown hook to run | |
| 62 | # because we imported the pool. | |
| e10b0808 AX |
63 | info "ZFS: Mounting dataset ${ZFS_DATASET}..." |
| 64 | if mount_dataset "${ZFS_DATASET}" ; then | |
| 65 | ROOTFS_MOUNTED=yes | |
| 66 | return 0 | |
| 67 | fi | |
| 68 | fi | |
| 69 | ||
| 70 | rootok=0 |