From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B071C678D4 for ; Fri, 3 Mar 2023 03:49:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229487AbjCCDto (ORCPT ); Thu, 2 Mar 2023 22:49:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56572 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229445AbjCCDtn (ORCPT ); Thu, 2 Mar 2023 22:49:43 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA5603B866; Thu, 2 Mar 2023 19:49:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=9J5j/WBJ0EjRrGqH9QgPaIe5U384Ztfn9toz+cAiS5Y=; b=lW3l2m4648CVrEmVRo/Ka8z8sd /DWj0HKINsGoU+J/BK9HzsBGkJ10zkLTUzHcZUssveOUIgUf/zRpUQsQz0Meybkaurs6mPB4v4bmw 1tt5OJPusax1o80WQUleiRdVg4oFmYtH+CjdV7wcfKTRm5neXb/4Xstjxs5MfI5x0yY+9NFj97UY+ h2NB363fKi4P8vq14DW2e6wdnyoxpwJWMIAvk8UG002UCx0gW4BMrPIOzrag31D/zRt+nweVgM5Di x8EaOcsXSGpJbHhfkJC1eeofeqfOh5zk9k5FoX3m9OYdCuIUvrqLdpO7LUKQYyVsnpr0iFJZoo2Lv Ss/mFabA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1pXwQD-002s1p-Pz; Fri, 03 Mar 2023 03:49:29 +0000 Date: Fri, 3 Mar 2023 03:49:29 +0000 From: Matthew Wilcox To: Keith Busch Cc: Luis Chamberlain , Theodore Ts'o , lsf-pc@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org Subject: Re: [LSF/MM/BPF TOPIC] Cloud storage optimizations Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Thu, Mar 02, 2023 at 06:58:58PM -0700, Keith Busch wrote: > That said, I was hoping you were going to suggest supporting 16k logical block > sizes. Not a problem on some arch's, but still problematic when PAGE_SIZE is > 4k. :) I was hoping Luis was going to propose a session on LBA size > PAGE_SIZE. Funnily, while the pressure is coming from the storage vendors, I don't think there's any work to be done in the storage layers. It's purely a FS+MM problem.