Date: Sat, 19 Sep 2009 04:27:09 -0400 From: John Baldwin <jhb@FreeBSD.org> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: svn-src-head@FreeBSD.org, Rick Macklem <rmacklem@FreeBSD.org>, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: svn commit: r197298 - head/sbin/mount_nfs Message-ID: <4AB495DD.1010006@FreeBSD.org> In-Reply-To: <Pine.GSO.4.63.0909181100340.15785@muncher.cs.uoguelph.ca> References: <200909171908.n8HJ8GQs067202@svn.freebsd.org> <4AB35086.90502@FreeBSD.org> <Pine.GSO.4.63.0909181100340.15785@muncher.cs.uoguelph.ca>
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Rick Macklem wrote: > > > On Fri, 18 Sep 2009, John Baldwin wrote: > >> Rick Macklem wrote: >>> Author: rmacklem >>> Date: Thu Sep 17 19:08:15 2009 >>> New Revision: 197298 >>> URL: http://svn.freebsd.org/changeset/base/197298 >>> >>> Log: >>> Change the default transport protocol for use by the Mount protocol >>> from UDP to TCP, so that it is consistent with TCP for NFS, which >>> became the default at r176198. Without this change, doing an NFS mount >>> against a server that only supports UDP would result in an unusable >>> mount point if a transport protocol option wasn't specified for the >>> mount. >>> Approved by: kib (mentor) >>> MFC after: 3 days >> >> Does this still use UDP for the mount protocol for a UDP mount? >> > Yep. If "udp" is specified, everything uses "udp". The only case > affected by the change was when neither "udp" nor "tcp" were specified > as options. Ok. > It happens that it still uses UDP for Portmapper by default and when > "tcp" is specified, but that is down inside the libc functions and there > are comments in them along the lines of "always use UDP first...", so > I don't intend to change those. Hmm, it might actually be nice to be able to change those at some point as well. I have looked at this in the past and it is quite deeply buried in libc. :-/ -- John Baldwin
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