From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jared Hulbert" Subject: Re: vm/fs meetup in september? Date: Mon, 2 Jul 2007 17:46:40 -0700 Message-ID: <6934efce0707021746q133c62f5l803e5fa78b3535d9@mail.gmail.com> References: <20070624042345.GB20033@wotan.suse.de> <6934efce0706251708h7ab8d7dal6682def601a82073@mail.gmail.com> <20070626060528.GA15134@infradead.org> <6934efce0706261007x5e402eebvc528d2d39abd03a3@mail.gmail.com> <20070630093243.GD22354@infradead.org> <6934efce0707021044x44f51337ofa046c85e342a973@mail.gmail.com> <20070702230418.GA5630@lazybastard.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "Christoph Hellwig" , "Nick Piggin" , "Linux Kernel Mailing List" , "Linux Memory Management List" , linux-fsdevel@vger.kernel.org To: "=?ISO-8859-1?Q?J=F6rn_Engel?=" Return-path: Received: from wa-out-1112.google.com ([209.85.146.177]:36778 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755818AbXGCAqk convert rfc822-to-8bit (ORCPT ); Mon, 2 Jul 2007 20:46:40 -0400 Received: by wa-out-1112.google.com with SMTP id v27so2553988wah for ; Mon, 02 Jul 2007 17:46:40 -0700 (PDT) In-Reply-To: <20070702230418.GA5630@lazybastard.org> Content-Disposition: inline Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On 7/2/07, J=F6rn Engel wrote: > On Mon, 2 July 2007 10:44:00 -0700, Jared Hulbert wrote: > > > > >So what you mean is "swap on flash" ? Defintively sounds like an > > >interesting topic, although I'm not too sure it's all that > > >filesystem-related. > > > > Maybe not. Yet, it would be a very useful place to store data from = a > > file as a non-volatile page cache. > > > > Also it is something that I believe would benefit from a VFS-like A= PI. > > I mean there is a consistent interface a management layer like this > > could use, yet the algorithms used to order the data and the interf= ace > > to the physical media may vary. There is no single right way to do > > the management layer, much like filesystems. > > > > Given the page orientation of the current VFS seems to me like ther= e > > might be a nice way to use it for this purpose. > > > > Or maybe the real experts on this stuff can tell me how wrong that = is > > and where it should go :) > > I don't believe anyone has implemented this before, so any experts wo= uld > be self-appointed. > > Maybe this should be turned into a filesystem subject after all. The > complexity comes from combining XIP with writes on the same chip. So > solving your problem should be identical to solving the rw XIP > filesystem problem. > > If there is interest in the latter, I'd offer my self-appointed > expertise. Right, the solution to swap problem is identical to the rw XIP filesystem problem. J=F6rn, that's why you're the self-appointed subject matter expert! - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel= " in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html