/usr/lib/dracut/modules.d/95dasd_rules/module-setup.sh is in dracut-core 047-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | #!/bin/bash
# called by dracut
cmdline() {
is_dasd() {
local _dev=$1
local _devpath=$(cd -P /sys/dev/block/$_dev ; echo $PWD)
[ "${_devpath#*/dasd}" == "$_devpath" ] && return 1
_ccw="${_devpath%%/block/*}"
echo "rd.dasd=${_ccw##*/}"
return 0
}
[[ $hostonly ]] || [[ $mount_needs ]] && {
for_each_host_dev_and_slaves_all is_dasd || return 255
} | sort | uniq
}
# called by dracut
check() {
local _arch=$(uname -m)
local found=0
local bdev
[ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1
require_binaries /usr/lib/udev/collect || return 1
[[ $hostonly ]] || [[ $mount_needs ]] && {
for bdev in /sys/block/* ; do
case "${bdev##*/}" in
dasd*)
found=$(($found+1));
break;
esac
done
[ $found -eq 0 ] && return 255
}
return 0
}
# called by dracut
depends() {
echo 'dasd_mod'
return 0
}
# called by dracut
install() {
inst_multiple /usr/lib/udev/collect
inst_hook cmdline 30 "$moddir/parse-dasd.sh"
if [[ $hostonly_cmdline == "yes" ]] ; then
local _dasd=$(cmdline)
[[ $_dasd ]] && printf "%s\n" "$_dasd" >> "${initdir}/etc/cmdline.d/95dasd.conf"
fi
if [[ $hostonly ]] ; then
inst_rules_wildcard 51-dasd-*.rules
inst_rules_wildcard 41-s390x-dasd-*.rules
fi
inst_rules 59-dasd.rules
}
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