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76 lines
1.9 KiB
76 lines
1.9 KiB
13 years ago
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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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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 $NEWROOT/etc/fstab contains special mount options for
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# the root filesystem,
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# remount it with the proper options
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rootopts="defaults"
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while read dev mp fs opts rest; do
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# skip comments
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[ "${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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