if RT_USING_DFS_V2
    config RT_USING_DFS_DEVFS
        bool "Using devfs for device objects"
        default y

    config RT_USING_DFS_ROMFS
        bool "Enable ReadOnly file system on flash"
        default n

    config RT_USING_DFS_CROMFS
        bool "Enable ReadOnly compressed file system on flash"
        default n
        # select PKG_USING_ZLIB

    config RT_USING_DFS_RAMFS
        bool "Enable RAM file system"
        select RT_USING_MEMHEAP
        default n

    config RT_USING_DFS_TMPFS
        bool "Enable TMP file system"
        default n

    config RT_USING_DFS_NFS
        bool "Using NFS v3 client file system"
        depends on RT_USING_LWIP
        default n

    if RT_USING_DFS_NFS
        config RT_NFS_HOST_EXPORT
            string "NFSv3 host export"
            default "192.168.1.5:/"
    endif

endif