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#!/bin/sh
type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
filter_rootopts() {
rootopts=$1
# strip ro and rw options
local OLDIFS="$IFS"
IFS=,
set -- $rootopts
IFS="$OLDIFS"
local v
while [ $# -gt 0 ]; do
case $1 in
rw|ro);;
defaults);;
*)
v="$v,${1}";;
esac
shift
done
rootopts=${v#,}
echo $rootopts
}
mount_root() {
local _ret
rootfs="9p"
rflags="trans=virtio,version=9p2000.L"
modprobe 9pnet_virtio
mount -t ${rootfs} -o "$rflags",ro "${root#virtfs:}" "$NEWROOT"
rootopts=
if getargbool 1 rd.fstab -n rd_NO_FSTAB \
&& ! getarg rootflags \
&& [ -f "$NEWROOT/etc/fstab" ] \
&& ! [ -L "$NEWROOT/etc/fstab" ]; then
# if $NEWROOT/etc/fstab contains special mount options for
# the root filesystem,
# remount it with the proper options
rootopts="defaults"
while read dev mp fs opts rest || [ -n "$dev" ]; do
# skip comments
[ "${dev%%#*}" != "$dev" ] && continue
if [ "$mp" = "/" ]; then
rootopts=$opts
break
fi
done < "$NEWROOT/etc/fstab"
rootopts=$(filter_rootopts $rootopts)
fi
# we want rootflags (rflags) to take precedence so prepend rootopts to
# them; rflags is guaranteed to not be empty
rflags="${rootopts:+"${rootopts},"}${rflags}"
umount "$NEWROOT"
info "Remounting ${root#virtfs:} with -o ${rflags}"
mount -t ${rootfs} -o "$rflags" "${root#virtfs:}" "$NEWROOT" 2>&1 | vinfo
[ -f "$NEWROOT"/forcefsck ] && rm -f -- "$NEWROOT"/forcefsck 2>/dev/null
[ -f "$NEWROOT"/.autofsck ] && rm -f -- "$NEWROOT"/.autofsck 2>/dev/null
}
if [ -n "$root" -a -z "${root%%virtfs:*}" ]; then
mount_root
fi
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