On Tuesday, August 26, 2014 4:17:22 am Mateusz Guzik wrote: > Author: mjg > Date: Tue Aug 26 08:17:22 2014 > New Revision: 270648 > URL: http://svnweb.freebsd.org/changeset/base/270648 > > Log: > Fix up races with f_seqcount handling. > > It was possible that the kernel would overwrite user-supplied hint. > > Abuse vnode lock for this purpose. > > In collaboration with: kib > MFC after: 1 week
Do we care about this being correct enough to penalize reads by single- threading them? This is just an optimization, if you lose the race it doesn't actually break anything. -- John Baldwin _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
