forked from pool/grub2
74 lines
2.5 KiB
Diff
74 lines
2.5 KiB
Diff
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From 340fd0c8717c2bf33163a18bfec72243b0e51862 Mon Sep 17 00:00:00 2001
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From: Michael Chang <mchang@suse.com>
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Date: Thu, 30 Aug 2012 15:43:17 +0800
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Subject: [PATCH] Pass corret root= for nfsroot
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References: bnc#774548
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Patch-Mainline: no
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Fix / is mounted on nfs. The fix is to pass kernel parameters
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with correct root= for nfs. However since grub2 doesn't support
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nfs file system module, the /boot on nfs is not possible and
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grub2-probe not work in probing nfs mounted path. The fix is merely
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on the script level and not use grub2-probe for above reasons.
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---
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util/grub-mkconfig.in | 37 ++++++++++++++++++++++++++++++-------
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1 files changed, 30 insertions(+), 7 deletions(-)
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diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in
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index ca62e9f..d789fcc 100644
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--- a/util/grub-mkconfig.in
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+++ b/util/grub-mkconfig.in
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@@ -128,18 +128,41 @@ else
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exit 1
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fi
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-# Device containing our userland. Typically used for root= parameter.
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-GRUB_DEVICE="`${grub_probe} --target=device /`"
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-GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true
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+probe_nfsroot_device () {
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+ while read line ; do
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+ set -- $line
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+ path=$5
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+ fstype=$8
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+ device=$9
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+
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+ if [ "x${path}" = "x/" ] &&
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+ [ "x${fstype}" = "xnfs" -o "x${fstype}" = "xnfs4" ] ; then
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+ echo "$device"
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+ return
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+ fi
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+ done
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+} </proc/self/mountinfo
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+
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+NFSROOT_DEVICE="`probe_nfsroot_device`"
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+
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+if [ "x${NFSROOT_DEVICE}" != "x" ]; then
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+ GRUB_DEVICE="$NFSROOT_DEVICE"
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+ GRUB_DEVICE_UUID=""
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+ GRUB_FS="unknown"
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+else
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+ # Device containing our userland. Typically used for root= parameter.
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+ GRUB_DEVICE="`${grub_probe} --target=device /`"
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+ GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true
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+
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+ # Filesystem for the device containing our userland. Used for stuff like
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+ # choosing Hurd filesystem module.
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+ GRUB_FS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`"
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+fi
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# Device containing our /boot partition. Usually the same as GRUB_DEVICE.
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GRUB_DEVICE_BOOT="`${grub_probe} --target=device /boot`"
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GRUB_DEVICE_BOOT_UUID="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true
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-# Filesystem for the device containing our userland. Used for stuff like
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-# choosing Hurd filesystem module.
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-GRUB_FS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`"
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-
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if test -f ${sysconfdir}/default/grub ; then
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. ${sysconfdir}/default/grub
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fi
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--
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1.7.3.4
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