K 10 svn:author V 3 mav K 8 svn:date V 27 2019-02-13T00:38:28.259407Z K 7 svn:log V 389 MFC r343582,r343588:Relax BIO_FLUSH ordering in da(4), respecting BIO_ORDERED. r212160 tightened this from always using MSG_SIMPLE_Q_TAG to always MSG_ORDERED_Q_TAG. Since it also marked all BIO_FLUSH requests with BIO_ORDERED, this commit changes nothing immediately, but it returns BIO_FLUSH callers ability to actually specify ordering they really need, alike to other request types. END