Accepting request 330513 from home:favogt:branches:Base:System
Change the way /sysroot is mounted in dracut with systemd. OBS-URL: https://build.opensuse.org/request/show/330513 OBS-URL: https://build.opensuse.org/package/show/Base:System/dracut?expand=0&rev=225
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185
0400-use_fstab_systemd.patch
Normal file
185
0400-use_fstab_systemd.patch
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@ -0,0 +1,185 @@
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From: Fabian Vogt <fvogt@suse.com>
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Subject: Use /etc/fstab for /sysroot instead of custom sysroot.mount
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systemd-fstab-generator is capable of mounting /sysroot itself,
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looking at /proc/cmdline if root= is set.
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Index: dracut-043/modules.d/00systemd/module-setup.sh
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===================================================================
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--- dracut-043.orig/modules.d/00systemd/module-setup.sh
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+++ dracut-043/modules.d/00systemd/module-setup.sh
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@@ -14,7 +14,7 @@ check() {
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# called by dracut
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depends() {
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- return 0
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+ echo fs-lib
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}
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installkernel() {
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@@ -22,6 +22,23 @@ installkernel() {
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instmods -s efivarfs
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}
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+fstab_sysroot() {
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+ local _dev=/dev/block/$(find_root_block_device)
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+ local _fstype _flags _subvol
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+ if [ -e $_dev ]; then
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+ _dev=$(shorten_persistent_dev "$(get_persistent_dev "$_dev")")
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+ _fstype="$(find_mp_fstype /)"
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+ _flags="$(find_mp_fsopts /)"
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+
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+ if [[ $use_fstab != yes ]] && [[ $_fstype = btrfs ]]; then
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+ _subvol=$(findmnt -e -v -n -o FSROOT --target /) \
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+ && _subvol=${_subvol#/}
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+ _flags="$_flags,${_subvol:+subvol=$_subvol}"
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+ fi
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+ printf "%s /sysroot %s %s 1 1\n" "$_dev" "$_fstype" "${_flags#,}"
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+ fi
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+}
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+
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# called by dracut
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install() {
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local _mods
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@@ -216,5 +233,8 @@ install() {
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} >> "$initdir/etc/systemd/journald.conf"
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ln_r "${systemdsystemunitdir}/multi-user.target" "${systemdsystemunitdir}/default.target"
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+
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+ # Add entry for /sysroot to /etc/fstab
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+ fstab_sysroot >> "$initdir/etc/fstab"
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}
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Index: dracut-043/modules.d/95rootfs-block/module-setup.sh
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===================================================================
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--- dracut-043.orig/modules.d/95rootfs-block/module-setup.sh
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+++ dracut-043/modules.d/95rootfs-block/module-setup.sh
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@@ -48,22 +48,25 @@ cmdline_rootfs() {
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# called by dracut
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cmdline() {
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- cmdline_rootfs
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- cmdline_journal
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+ # When using systemd, we're storing the root device in /etc/fstab instead.
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+ if ! dracut_module_included "systemd"; then
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+ cmdline_rootfs
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+ cmdline_journal
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+ fi
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}
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# called by dracut
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install() {
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- if [[ $hostonly_cmdline == "yes" ]]; then
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- local _journaldev=$(cmdline_journal)
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- [[ $_journaldev ]] && printf "%s\n" "$_journaldev" >> "${initdir}/etc/cmdline.d/95root-journaldev.conf"
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- local _rootdev=$(cmdline_rootfs)
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- [[ $_rootdev ]] && printf "%s\n" "$_rootdev" >> "${initdir}/etc/cmdline.d/95root-dev.conf"
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- fi
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-
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inst_multiple umount
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inst_multiple tr
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if ! dracut_module_included "systemd"; then
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+ if [[ $hostonly_cmdline == "yes" ]]; then
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+ local _journaldev=$(cmdline_journal)
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+ [[ $_journaldev ]] && printf "%s\n" "$_journaldev" >> "${initdir}/etc/cmdline.d/95root-journaldev.conf"
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+ local _rootdev=$(cmdline_rootfs)
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+ [[ $_rootdev ]] && printf "%s\n" "$_rootdev" >> "${initdir}/etc/cmdline.d/95root-dev.conf"
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+ fi
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+
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inst_hook cmdline 95 "$moddir/parse-block.sh"
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inst_hook pre-udev 30 "$moddir/block-genrules.sh"
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inst_hook mount 99 "$moddir/mount-root.sh"
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Index: dracut-043/modules.d/98dracut-systemd/dracut-cmdline.sh
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===================================================================
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--- dracut-043.orig/modules.d/98dracut-systemd/dracut-cmdline.sh
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+++ dracut-043/modules.d/98dracut-systemd/dracut-cmdline.sh
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@@ -68,8 +68,12 @@ case "$root" in
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rootok=1 ;;
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esac
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-[ -z "$root" ] && die "No or empty root= argument"
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-[ -z "$rootok" ] && die "Don't know how to handle 'root=$root'"
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+if [ -z "$root" ]; then
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+ root=$(findmnt --fstab -n --output source --target /sysroot)
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+ [ -z "$root" ] && die "No or empty root= argument and not in fstab"
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+elif [ -z "$rootok" ]; then
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+ die "Don't know how to handle 'root=$root'"
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+fi
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export root rflags fstype netroot NEWROOT
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Index: dracut-043/modules.d/98dracut-systemd/rootfs-generator.sh
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===================================================================
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--- dracut-043.orig/modules.d/98dracut-systemd/rootfs-generator.sh
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+++ dracut-043/modules.d/98dracut-systemd/rootfs-generator.sh
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@@ -36,35 +36,6 @@ generator_wait_for_dev()
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fi
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}
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-generator_mount_rootfs()
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-{
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- local _type=$2
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- local _flags=$3
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- local _name
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-
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- [ -z "$1" ] && return 0
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-
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- _name=$(dev_unit_name "$1")
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- [ -d "$GENERATOR_DIR" ] || mkdir -p "$GENERATOR_DIR"
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- if ! [ -f "$GENERATOR_DIR"/sysroot.mount ]; then
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- {
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- echo "[Unit]"
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- echo "Before=initrd-root-fs.target"
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- echo "RequiresOverridable=systemd-fsck@${_name}.service"
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- echo "After=systemd-fsck@${_name}.service"
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- echo "[Mount]"
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- echo "Where=/sysroot"
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- echo "What=$1"
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- echo "Options=${_flags}"
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- echo "Type=${_type}"
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- } > "$GENERATOR_DIR"/sysroot.mount
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- fi
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- if ! [ -L "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.mount ]; then
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- [ -d "$GENERATOR_DIR"/initrd-root-fs.target.requires ] || mkdir -p "$GENERATOR_DIR"/initrd-root-fs.target.requires
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- ln -s ../sysroot.mount "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.mount
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- fi
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-}
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-
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generator_fsck_after_pre_mount()
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{
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local _name
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@@ -111,9 +82,12 @@ esac
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GENERATOR_DIR="$1"
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if [ "${root%%:*}" = "block" ]; then
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- generator_wait_for_dev "${root#block:}" "$RDRETRY"
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- generator_fsck_after_pre_mount "${root#block:}"
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- strstr "$(cat /proc/cmdline)" 'root=' || generator_mount_rootfs "${root#block:}" "$(getarg rootfstype=)" "$(getarg rootflags=)"
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+ generator_wait_for_dev "${root#block:}" "$RDRETRY"
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+ generator_fsck_after_pre_mount "${root#block:}"
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+ if ! [ -L "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.mount ]; then
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+ [ -d "$GENERATOR_DIR"/initrd-root-fs.target.requires ] || mkdir -p "$GENERATOR_DIR"/initrd-root-fs.target.requires
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+ ln -s ../sysroot.mount "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.mount
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+ fi
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fi
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exit 0
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Index: dracut-043/modules.d/99base/init.sh
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===================================================================
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--- dracut-043.orig/modules.d/99base/init.sh
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+++ dracut-043/modules.d/99base/init.sh
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@@ -128,8 +128,12 @@ make_trace_mem "hook cmdline" '1+:mem' '
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getarg 'rd.break=cmdline' -d 'rdbreak=cmdline' && emergency_shell -n cmdline "Break before cmdline"
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source_hook cmdline
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-[ -z "$root" ] && die "No or empty root= argument"
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-[ -z "$rootok" ] && die "Don't know how to handle 'root=$root'"
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+if [ -z "$root" ]; then
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+ root=$(findmnt --fstab -n --output source --target /sysroot)
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+ [ -z "$root" ] && die "No or empty root= argument and not in fstab"
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+elif [ -z "$rootok" ]; then
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+ die "Don't know how to handle 'root=$root'"
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+fi
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export root rflags fstype netroot NEWROOT
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57
0401-mount_option_mountpoint.patch
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57
0401-mount_option_mountpoint.patch
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@ -0,0 +1,57 @@
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From: Fabian Vogt <fvogt@suse.com>
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Subject: dracut.sh: Support --mount with just mountpoint as parameter
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Right now the --mount parameter of dracut expects a rather long fstab-like
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line. This makes it possible to invoke dracut with e.g. --mount /boot.
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Index: dracut-043/dracut.8.asc
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===================================================================
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--- dracut-043.orig/dracut.8.asc
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+++ dracut-043/dracut.8.asc
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@@ -338,6 +338,10 @@ provide a valid _/etc/fstab_.
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The default _<dump frequency>_ is "0".
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the default _<fsck order>_ is "2".
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+**--mount** "_<mountpoint>_"::
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+ Like above, but _<device>_, _<filesystem type>_ and _<filesystem options>_
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+ are determined by looking at the current mounts.
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+
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**--add-device** _<device>_ ::
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Bring up _<device>_ in initramfs, _<device>_ should be the device name.
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This can be useful in hostonly mode for resume support when your swap is on
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Index: dracut-043/dracut.sh
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===================================================================
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--- dracut-043.orig/dracut.sh
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+++ dracut-043/dracut.sh
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@@ -152,6 +152,8 @@ Creates initial ramdisk images for prelo
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--mount "[DEV] [MP] [FSTYPE] [FSOPTS]"
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Mount device [DEV] on mountpoint [MP] with filesystem
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[FSTYPE] and options [FSOPTS] in the initramfs
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+ --mount "[MP]" Same as above, but [DEV], [FSTYPE] and [FSOPTS] are
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+ determined by looking at the current mounts.
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--add-device "[DEV]" Bring up [DEV] in initramfs
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-i, --include [SOURCE] [TARGET]
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Include the files in the SOURCE directory into the
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@@ -1536,9 +1538,21 @@ if [[ $kernel_only != yes ]]; then
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while pop fstab_lines line; do
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line=($line)
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- [ -z "${line[3]}" ] && line[3]="defaults"
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+
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+ if [ -z "${line[1]}" ]; then
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+ # Determine device and mount options from current system
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+ mountpoint -q "${line[0]}" || derror "${line[0]} is not a mount point!"
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+ line=($(findmnt --raw -n --target "${line[0]}" --output=source,target,fstype,options))
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+ dinfo "Line for ${line[1]}: ${line[@]}"
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+ else
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+ # Use default options
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+ [ -z "${line[3]}" ] && line[3]="defaults"
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+ fi
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+
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+ # Default options for freq and passno
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[ -z "${line[4]}" ] && line[4]="0"
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[ -z "${line[5]}" ] && line[5]="2"
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+
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strstr "${line[2]}" "nfs" && line[5]="0"
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echo "${line[@]}" >> "${initdir}/etc/fstab"
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done
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@ -1,3 +1,16 @@
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-------------------------------------------------------------------
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Fri Sep 11 11:06:46 UTC 2015 - fvogt@suse.com
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- Add 0401-mount_option_mountpoint.patch:
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Make it possible to use a mountpoint as --mount parameter
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-------------------------------------------------------------------
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Fri Sep 11 10:56:42 UTC 2015 - fvogt@suse.com
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- Add experimental 0400-use_fstab_systemd.patch:
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Add entry for /sysroot in /etc/fstab instead of relying
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on root= and rootflags=
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-------------------------------------------------------------------
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Sun Aug 23 19:14:15 UTC 2015 - seife+obs@b1-systems.com
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@ -116,6 +116,9 @@ Patch202: dracut_dmraid_use_udev.patch
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## fix for SUSE systems which have dpkg installed anyway
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Patch300: dracut_dont_use_dpkg_defaults_on_SUSE.patch
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Patch400: 0400-use_fstab_systemd.patch
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Patch401: 0401-mount_option_mountpoint.patch
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BuildRequires: asciidoc
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BuildRequires: bash
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BuildRequires: docbook-xsl-stylesheets
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@ -245,6 +248,9 @@ and its cryptography during startup.
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%patch300 -p1
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%patch400 -p1
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%patch401 -p1
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%build
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%configure\
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--systemdsystemunitdir=%{_unitdir}\
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