MI_READDIRONLY
if (mik.mik_vers < NFS_V4 && mik.mik_flags & MI_READDIRONLY)
{"MI_READDIRONLY", MI_READDIRONLY, MI_READDIRONLY},
if (!(mi->mi_flags & MI_READDIRONLY) &&
mi->mi_flags |= MI_READDIRONLY;