Date: Fri, 29 May 2009 19:10:37 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Attilio Rao <attilio@freebsd.org> Cc: svn-src-head@freebsd.org, Scott Long <scottl@samsco.org>, src-committers@freebsd.org, Edward Tomasz Napierala <trasz@freebsd.org>, svn-src-all@freebsd.org Subject: Re: svn commit: r193041 - head/sys/sys Message-ID: <alpine.BSF.2.00.0905291909220.48470@fledge.watson.org> In-Reply-To: <3bbf2fe10905290904o14800df2h2881b3e496ca06cc@mail.gmail.com> References: <200905291500.n4TF04HM078212@svn.freebsd.org> <4A2003D4.2010607@samsco.org> <3bbf2fe10905290904o14800df2h2881b3e496ca06cc@mail.gmail.com>
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On Fri, 29 May 2009, Attilio Rao wrote: > 2009/5/29 Scott Long <scottl@samsco.org>: >> Occasionally it's useful to be able to run older binaries on newer kernels. >> One particularly useful place is for making releases. Does this change to >> struct mount break that? If so, could there be any other way to achieve >> what you want without the breakage? > > The struct mount is only accessible by the kernel so it doesn't break > userspace binary compatibility. However, __FreeBSD_version does need to be bumped and UPDATING updated, since this change will break file system modules compiled against kernels using older versions of struct mount. Robert N M Watson Computer Laboratory University of Cambridge
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