mirror_zfs/contrib/dracut/90zfs/parse-zfs.sh.in
наб 6fc3099248 Trim excess shellcheck annotations. Widen to all non-Korn scripts
Before, make shellcheck checked
  scripts/{commitcheck,make_gitrev,man-dates,paxcheck,zfs-helpers,zfs,
           zfs-tests,zimport,zloop}.sh
  cmd/zed/zed.d/{{all-debug,all-syslog,data-notify,generic-notify,
                 resilver_finish-start-scrub,scrub_finish-notify,
                 statechange-led,statechange-notify,trim_finish-notify,
                 zed-functions}.sh,history_event-zfs-list-cacher.sh.in}
  cmd/zpool/zpool.d/{dm-deps,iostat,lsblk,media,ses,smart,upath}
now it also checks
  contrib/dracut/{02zfsexpandknowledge/module-setup,
                  90zfs/{export-zfs,parse-zfs,zfs-needshutdown,
                         zfs-load-key,zfs-lib,module-setup,
                         mount-zfs,zfs-generator}}.sh.in
  cmd/zed/zed.d/{pool_import-led,vdev_attach-led,
                 resilver_finish-notify,vdev_clear-led}.sh
  contrib/initramfs/{zfsunlock,hooks/zfs.in,scripts/local-top/zfs}
  tests/zfs-tests/tests/perf/scripts/prefetch_io.sh
  scripts/common.sh.in
  contrib/bpftrace/zfs-trace.sh
  autogen.sh

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12042
2021-05-20 08:55:23 -07:00

64 lines
1.9 KiB
Bash
Executable File

#!/bin/sh
# shellcheck disable=SC2034,SC2154
. /lib/dracut-lib.sh
# Let the command line override our host id.
spl_hostid=$(getarg spl_hostid=)
if [ -n "${spl_hostid}" ] ; then
info "ZFS: Using hostid from command line: ${spl_hostid}"
zgenhostid -f "${spl_hostid}"
elif [ -f "/etc/hostid" ] ; then
info "ZFS: Using hostid from /etc/hostid: $(hostid)"
else
warn "ZFS: No hostid found on kernel command line or /etc/hostid."
warn "ZFS: Pools may not import correctly."
fi
wait_for_zfs=0
case "${root}" in
""|zfs|zfs:)
# We'll take root unset, root=zfs, or root=zfs:
# No root set, so we want to read the bootfs attribute. We
# can't do that until udev settles so we'll set dummy values
# and hope for the best later on.
root="zfs:AUTO"
rootok=1
wait_for_zfs=1
info "ZFS: Enabling autodetection of bootfs after udev settles."
;;
ZFS=*|zfs:*|FILESYSTEM=*)
# root is explicit ZFS root. Parse it now. We can handle
# a root=... param in any of the following formats:
# root=ZFS=rpool/ROOT
# root=zfs:rpool/ROOT
# root=zfs:FILESYSTEM=rpool/ROOT
# root=FILESYSTEM=rpool/ROOT
# root=ZFS=pool+with+space/ROOT+WITH+SPACE (translates to root=ZFS=pool with space/ROOT WITH SPACE)
# Strip down to just the pool/fs
root="${root#zfs:}"
root="${root#FILESYSTEM=}"
root="zfs:${root#ZFS=}"
# switch + with spaces because kernel cmdline does not allow us to quote parameters
root=$(printf '%s\n' "$root" | sed "s/+/ /g")
rootok=1
wait_for_zfs=1
info "ZFS: Set ${root} as bootfs."
;;
esac
# Make sure Dracut is happy that we have a root and will wait for ZFS
# modules to settle before mounting.
if [ ${wait_for_zfs} -eq 1 ]; then
ln -s /dev/null /dev/root 2>/dev/null
initqueuedir="${hookdir}/initqueue/finished"
test -d "${initqueuedir}" || {
initqueuedir="${hookdir}/initqueue-finished"
}
echo '[ -e /dev/zfs ]' > "${initqueuedir}/zfs.sh"
fi