Current File : //lib/dracut/modules.d/95rootfs-block/mount-root.sh
#!/bin/sh
type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
type det_fs >/dev/null 2>&1 || . /lib/fs-lib.sh
mount_root() {
local _ret
local _rflags_ro
# sanity - determine/fix fstype
rootfs=$(det_fs "${root#block:}" "$fstype")
journaldev=$(getarg "root.journaldev=")
if [ -n "$journaldev" ]; then
case "$rootfs" in
xfs)
rflags="${rflags:+${rflags},}logdev=$journaldev"
;;
reiserfs)
fsckoptions="-j $journaldev $fsckoptions"
rflags="${rflags:+${rflags},}jdev=$journaldev"
;;
*);;
esac
fi
_rflags_ro="$rflags,ro"
_rflags_ro="${_rflags_ro##,}"
while ! mount -t ${rootfs} -o "$_rflags_ro" "${root#block:}" "$NEWROOT"; do
warn "Failed to mount -t ${rootfs} -o $_rflags_ro ${root#block:} $NEWROOT"
fsck_ask_err
done
READONLY=
fsckoptions=
if [ -f "$NEWROOT"/etc/sysconfig/readonly-root ]; then
. "$NEWROOT"/etc/sysconfig/readonly-root
fi
if getargbool 0 "readonlyroot=" -y readonlyroot; then
READONLY=yes
fi
if getarg noreadonlyroot ; then
READONLY=no
fi
if [ -f "$NEWROOT"/fastboot ] || getargbool 0 fastboot ; then
fastboot=yes
fi
if ! getargbool 0 rd.skipfsck; then
if [ -f "$NEWROOT"/fsckoptions ]; then
fsckoptions=$(cat "$NEWROOT"/fsckoptions)
fi
if [ -f "$NEWROOT"/forcefsck ] || getargbool 0 forcefsck ; then
fsckoptions="-f $fsckoptions"
elif [ -f "$NEWROOT"/.autofsck ]; then
[ -f "$NEWROOT"/etc/sysconfig/autofsck ] && \
. "$NEWROOT"/etc/sysconfig/autofsck
if [ "$AUTOFSCK_DEF_CHECK" = "yes" ]; then
AUTOFSCK_OPT="$AUTOFSCK_OPT -f"
fi
if [ -n "$AUTOFSCK_SINGLEUSER" ]; then
warn "*** Warning -- the system did not shut down cleanly. "
warn "*** Dropping you to a shell; the system will continue"
warn "*** when you leave the shell."
emergency_shell
fi
fsckoptions="$AUTOFSCK_OPT $fsckoptions"
fi
fi
rootopts=
if getargbool 1 rd.fstab -d -n rd_NO_FSTAB \
&& ! getarg rootflags \
&& [ -f "$NEWROOT/etc/fstab" ] \
&& ! [ -L "$NEWROOT/etc/fstab" ]; then
# if $NEWROOT/etc/fstab contains special mount options for
# the root filesystem,
# remount it with the proper options
rootopts="defaults"
while read dev mp fs opts dump fsck || [ -n "$dev" ]; do
# skip comments
[ "${dev%%#*}" != "$dev" ] && continue
if [ "$mp" = "/" ]; then
# sanity - determine/fix fstype
rootfs=$(det_fs "${root#block:}" "$fs")
rootopts=$opts
rootfsck=$fsck
break
fi
done < "$NEWROOT/etc/fstab"
fi
# we want rootflags (rflags) to take precedence so prepend rootopts to
# them
rflags="${rootopts},${rflags}"
rflags="${rflags#,}"
rflags="${rflags%,}"
# backslashes are treated as escape character in fstab
# esc_root=$(echo ${root#block:} | sed 's,\\,\\\\,g')
# printf '%s %s %s %s 1 1 \n' "$esc_root" "$NEWROOT" "$rootfs" "$rflags" >/etc/fstab
ran_fsck=0
if fsck_able "$rootfs" && \
[ "$rootfsck" != "0" -a -z "$fastboot" -a "$READONLY" != "yes" ] && \
! strstr "${rflags}" _netdev && \
! getargbool 0 rd.skipfsck; then
umount "$NEWROOT"
fsck_single "${root#block:}" "$rootfs" "$rflags" "$fsckoptions"
_ret=$?
ran_fsck=1
fi
echo "${root#block:} $NEWROOT $rootfs ${rflags:-defaults} 0 $rootfsck" >> /etc/fstab
if ! ismounted "$NEWROOT"; then
info "Mounting ${root#block:} with -o ${rflags}"
mount "$NEWROOT" 2>&1 | vinfo
elif ! are_lists_eq , "$rflags" "$_rflags_ro" defaults; then
info "Remounting ${root#block:} with -o ${rflags}"
mount -o remount "$NEWROOT" 2>&1 | vinfo
fi
if ! getargbool 0 rd.skipfsck; then
[ -f "$NEWROOT"/forcefsck ] && rm -f -- "$NEWROOT"/forcefsck 2>/dev/null
[ -f "$NEWROOT"/.autofsck ] && rm -f -- "$NEWROOT"/.autofsck 2>/dev/null
fi
}
if [ -n "$root" -a -z "${root%%block:*}" ]; then
mount_root
fi
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