You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.5 KiB
92 lines
2.5 KiB
#!/bin/bash |
|
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- |
|
# ex: ts=8 sw=4 sts=4 et filetype=sh |
|
|
|
check() { |
|
local _rootdev |
|
# if there's no multipath binary, no go. |
|
type -P multipath >/dev/null || return 1 |
|
|
|
is_mpath() { |
|
local _dev=$1 |
|
[ -e /sys/dev/block/$_dev/dm/uuid ] || return 1 |
|
[[ $(cat /sys/dev/block/$_dev/dm/uuid) =~ mpath- ]] && return 0 |
|
return 1 |
|
} |
|
|
|
[[ $hostonly ]] || [[ $mount_needs ]] && { |
|
for_each_host_dev_and_slaves is_mpath || return 1 |
|
} |
|
|
|
return 0 |
|
} |
|
|
|
depends() { |
|
echo rootfs-block |
|
echo dm |
|
return 0 |
|
} |
|
|
|
installkernel() { |
|
local _ret |
|
local _arch=$(uname -m) |
|
mp_mod_filter() { |
|
local _funcs='scsi_register_device_handler|dm_dirty_log_type_register|dm_register_path_selector|dm_register_target' |
|
# subfunctions inherit following FDs |
|
local _merge=8 _side2=9 |
|
function bmf1() { |
|
local _f |
|
while read _f; do |
|
case "$_f" in |
|
*.ko) [[ $(< $_f) =~ $_funcs ]] && echo "$_f" ;; |
|
*.ko.gz) [[ $(gzip -dc <$_f) =~ $_funcs ]] && echo "$_f" ;; |
|
*.ko.xz) [[ $(xz -dc <$_f) =~ $_funcs ]] && echo "$_f" ;; |
|
esac |
|
done |
|
return 0 |
|
} |
|
|
|
function rotor() { |
|
local _f1 _f2 |
|
while read _f1; do |
|
echo "$_f1" |
|
if read _f2; then |
|
echo "$_f2" 1>&${_side2} |
|
fi |
|
done | bmf1 1>&${_merge} |
|
return 0 |
|
} |
|
# Use two parallel streams to filter alternating modules. |
|
set +x |
|
eval "( ( rotor ) ${_side2}>&1 | bmf1 ) ${_merge}>&1" |
|
[[ $debug ]] && set -x |
|
return 0 |
|
} |
|
|
|
( find_kernel_modules_by_path drivers/scsi; if [ "$_arch" = "s390" -o "$_arch" = "s390x" ]; then find_kernel_modules_by_path drivers/s390/scsi; fi; |
|
find_kernel_modules_by_path drivers/md ) | mp_mod_filter | instmods |
|
} |
|
|
|
install() { |
|
local _f |
|
dracut_install -o \ |
|
dmsetup \ |
|
kpartx \ |
|
mpath_wait \ |
|
multipath \ |
|
multipathd \ |
|
xdrgetuid \ |
|
xdrgetprio \ |
|
/etc/xdrdevices.conf \ |
|
/etc/multipath.conf \ |
|
/etc/multipath/* |
|
|
|
inst $(command -v partx) /sbin/partx |
|
|
|
inst_libdir_file "libmultipath*" "multipath/*" |
|
|
|
inst_hook pre-trigger 02 "$moddir/multipathd.sh" |
|
inst_hook cleanup 02 "$moddir/multipathd-stop.sh" |
|
inst_rules 40-multipath.rules 62-multipath.rules 65-multipath.rules 66-kpartx.rules |
|
} |
|
|
|
|