K 10 svn:author V 3 slm K 8 svn:date V 27 2016-07-19T16:46:27.478918Z K 7 svn:log V 212 MFC r302673 Use real values to calculate Max I/O size instead of guessing. Reviewed by: ken, scottl Approved by: re(gjb), ken, scottl, ambrisko (mentors) Differential Revision: https://reviews.freebsd.org/D7043 END