From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Dyson Subject: Re: reiser4 semantics / BeFS Architect(s) Query Resolution Date: Mon, 30 Aug 2004 22:23:05 -0400 Sender: linux-fsdevel-owner@vger.kernel.org Message-ID: <4133E109.5040301@pobox.com> References: <3DF9165145FACB4C96977FF650C1E9040C46A3D1@its-mail1.its.corp.gwl.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <3DF9165145FACB4C96977FF650C1E9040C46A3D1@its-mail1.its.corp.gwl.com> List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: "Burnes, James" Cc: Hans Reiser , Andrew Morton , hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, flx@namesys.com, torvalds@osdl.org, reiserfs-list@namesys.com Burnes, James wrote: > (comments below) > > >>-----Original Message----- >>From: Hans Reiser [mailto:reiser@namesys.com] >>Sent: Saturday, August 28, 2004 3:55 AM >>To: Will Dyson >>Cc: Andrew Morton; hch@lst.de; linux-fsdevel@vger.kernel.org; linux- >>kernel@vger.kernel.org; flx@namesys.com; torvalds@osdl.org; reiserfs- >>list@namesys.com >>Subject: Re: silent semantic changes with reiser4 >> >>I think there are two ways to analyze the code boundary issue. One is >>"does it belong in the kernel?" Another is, "does it belong in the >>filesystem. and if so should name resolution in a filesystem be split >>into two parts, one in kernel, and one in user space." In ten years I >>might have the knowledge needed to make such a split, but I know for >>sure that I don't know how to do it today without regretting it >>tomorrow, and I don't really have confidence that I will ever be able >>to do it without losing performance. >> >>Glad that BeFS finds the new model better.:) >> > > (glad that BeFS supposedly solved it) Solved what, exactly? I'm already having a hard time understanding what Hans is talking about. > BTW: I get paid during the day to do security engineering work. > Wouldn't parsing the query in the kernel make the kernel susceptible to > buffer overflows? Bad place to have an overflow. -- Will Dyson "Back off man, I'm a scientist!" -Dr. Peter Venkman