From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jared Hulbert" Subject: Re: [PATCH 00/10] AXFS: Advanced XIP filesystem Date: Thu, 21 Aug 2008 12:32:13 -0700 Message-ID: <6934efce0808211232i21fcf347vb6baa6502246adb2@mail.gmail.com> References: <48AD00C4.6060302@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=ROjE+7R/NRJVYvDjlKL143F5BHAMLslfFpRSyCdyf+k=; b=h3bqlxFGbMXzWJl8KB+xJVapNpPDncU/nws50P7E4H0cpxxHXKGRZw8EGKfYOYpMDv 3rwLDK0XXsA2fo+7voFyipXH4BnxoJAxU/K67iPkk1m5c6OX00cizgPR+r23SmWl7zKt +8dw8cS9h865tENplLBNRaZ0NowJTP8WY9nx4= In-Reply-To: Content-Disposition: inline Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Frans Meulenbroeks Cc: Linux-kernel@vger.kernel.org, linux-embedded@vger.kernel.org, linux-mtd , =?UTF-8?Q?J=C3=B6rn_Engel?= , tim.bird@am.sony.com, cotte@de.ibm.com, nickpiggin@yahoo.com.au > Jared, nice work! Thanks. > A few questions: I meant to address these before. Sorry. > - how does this benchmark compared to cramfs and squashfs in a NAND-only system > (or is it just not a good plan to use this with NAND-only (of course > I won't get XIP with NAND, I understand that) I don't know, I'm interested to find out. I just benchmarked that. Actually it should work very well as a NAND-only fs. Also you do get something like XIP with NAND. If you boot an XIP AXFS image on NAND or a blkdev it will copy that XIP region into RAM and "XIP" it from there. I think this will make it very good for LiveCD's. Though we just (minutes ago) realized our testing of that feature was flawed, so no guarantees. > - would axfs be suitable as a filesystem on a ram disk? It could be. I plan on implementing support for brd. That might work nicely.