#!/bin/sh

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type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh

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filter_rootopts() {

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rootopts=$1

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# strip ro and rw options

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local OLDIFS="$IFS"

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IFS=,

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set -- $rootopts

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IFS="$OLDIFS"

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local v

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while [ $# -gt 0 ]; do

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case $1 in

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rw|ro);;

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defaults);;

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*)

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v="$v,${1}";;

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esac

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shift

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done

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rootopts=${v#,}

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echo $rootopts

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}

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mount_root() {

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local _ret

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rootfs="9p"

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rflags="trans=virtio,version=9p2000.L"

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modprobe 9pnet_virtio

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mount -t ${rootfs} -o "$rflags",ro "${root#virtfs:}" "$NEWROOT"

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rootopts=

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if getargbool 1 rd.fstab -n rd_NO_FSTAB \

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&& ! getarg rootflags \

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&& [ -f "$NEWROOT/etc/fstab" ] \

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&& ! [ -L "$NEWROOT/etc/fstab" ]; then

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# if $NEWROOT/etc/fstab contains special mount options for

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# the root filesystem,

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# remount it with the proper options

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rootopts="defaults"

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while read dev mp fs opts rest || [ -n "$dev" ]; do

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# skip comments

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[ "${dev%%#*}" != "$dev" ] && continue

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if [ "$mp" = "/" ]; then

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rootopts=$opts

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break

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fi

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done < "$NEWROOT/etc/fstab"

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rootopts=$(filter_rootopts $rootopts)

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fi

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# we want rootflags (rflags) to take precedence so prepend rootopts to

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# them; rflags is guaranteed to not be empty

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rflags="${rootopts:+"${rootopts},"}${rflags}"

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umount "$NEWROOT"

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info "Remounting ${root#virtfs:} with -o ${rflags}"

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mount -t ${rootfs} -o "$rflags" "${root#virtfs:}" "$NEWROOT" 2>&1 | vinfo

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[ -f "$NEWROOT"/forcefsck ] && rm -f -- "$NEWROOT"/forcefsck 2>/dev/null

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[ -f "$NEWROOT"/.autofsck ] && rm -f -- "$NEWROOT"/.autofsck 2>/dev/null

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}

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if [ -n "$root" -a -z "${root%%virtfs:*}" ]; then

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mount_root

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fi

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:

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