79 lines
2.0 KiB
Diff
79 lines
2.0 KiB
Diff
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Index: dracut-037/modules.d/81cio_ignore/module-setup.sh
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===================================================================
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--- /dev/null
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+++ dracut-037/modules.d/81cio_ignore/module-setup.sh
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@@ -0,0 +1,39 @@
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+#!/bin/bash
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+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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+# ex: ts=8 sw=4 sts=4 et filetype=sh
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+
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+# called by dracut
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+check() {
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+# do not add this module by default
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+ local arch=$(uname -m)
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+ [ "$arch" = "s390" -o "$arch" = "s390x" ] || return 1
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+ return 0
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+}
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+
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+find_mount() {
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+ local dev mnt etc wanted_dev
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+ wanted_dev="$(readlink -e -q $1)"
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+ while read dev mnt etc; do
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+ [ "$mnt" = "$wanted_dev" ] && echo "$dev" && return 0
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+ done < /proc/mounts
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+ return 1
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+}
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+
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+cmdline() {
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+ local zipl_dasd
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+ zipl_dasd=`find_mount /boot/zipl`
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+ printf " rd.zipl_dasd=%s\n" "$zipl_dasd "
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+}
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+
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+# called by dracut
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+install() {
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+ if [[ $hostonly_cmdline == "yes" ]];then
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+ echo $(cmdline) >"${initdir}/etc/cmdline.d/01zipl_dasd.conf"
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+ fi
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+
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+ inst_hook pre-mount 10 "$moddir/parse-zipl.sh"
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+ inst_multiple cio_ignore mount umount mkdir
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+}
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+installkernel() {
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+ instmods ext4
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+}
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Index: dracut-037/modules.d/81cio_ignore/parse-zipl.sh
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===================================================================
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--- /dev/null
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+++ dracut-037/modules.d/81cio_ignore/parse-zipl.sh
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@@ -0,0 +1,29 @@
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+#!/bin/sh
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+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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+# ex: ts=8 sw=4 sts=4 et filetype=sh
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+
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+ZIPL_DEV="$(getarg rd.zipl_dasd)"
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+ZIPL_DIR=/tmp/zipl
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+CIO_REMOVE_LIST=$ZIPL_DIR/active_devices.txt
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+
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+if [ -n $ZIPL_DEV ];then
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+ info "Waiting for zipl device $ZIPL_DEV"
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+ wait_for_dev -n "$ZIPL_DEV"
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+#
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+# mount device and read devices
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+#
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+ [ -d $ZIPL_DIR ] || mkdir $ZIPL_DIR
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+ mount -t ext2 -o ro $ZIPL_DEV $ZIPL_DIR
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+ if [ -f $CIO_REMOVE_LIST ] ; then
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+#
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+# File exist
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+#
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+ while read dev etc; do
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+ [ "$dev" = "#" -o "$dev" = "" ] && continue
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+ cio_ignore --remove $dev
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+ done < $CIO_REMOVE_LIST
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+ fi
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+ umount $ZIPL_DIR
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+else
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+ warn "No rd.zipl_dasd boot parameter found"
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+fi
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