volume.fstype volume.mount.valid_options volume.unmount.valid_options ntfs-3g ro atime noatime relatime fake_rw no_def_opts default_permissions umask= fmask= dmask= uid= gid= show_sys_files silent force remove_hiberfile locale= streams_interface= debug no_detatch sync dirsync nodiratime noexec quiet remount exec recover norecover lazy ntfs-3g