smithjd added a comment.
https://www.freedesktop.org/wiki/CommonExtendedAttributes suggests xattrs to use to store do-not-index information and also requires each file to be explicitly set to be indexed. > user.xdg.robots.index: On a file: "true" to index, "false" to not index. On a directory: "true" to traverse the into the directory for indexing, "false" for not traversing into it. REPOSITORY R293 Baloo REVISION DETAIL https://phabricator.kde.org/D15718 To: smithjd, ngraham, #baloo, ltoscano Cc: ltoscano, marten, bruns, ngraham, kde-frameworks-devel, #baloo, ashaposhnikov, michaelh, astippich, spoorun, abrahams