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[2620:137:e000::1:20]) by mx.google.com with ESMTP id w26-20020aa7dcda000000b004acd22dcc07si4249258edu.212.2023.04.03.05.25.25; Mon, 03 Apr 2023 05:25:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=a6ZDaZsh; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232141AbjDCMYw (ORCPT + 99 others); Mon, 3 Apr 2023 08:24:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46578 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232132AbjDCMYv (ORCPT ); Mon, 3 Apr 2023 08:24:51 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2EB8E30CF; Mon, 3 Apr 2023 05:24:50 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id CB3FCB81977; Mon, 3 Apr 2023 12:24:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E4CEC433EF; Mon, 3 Apr 2023 12:24:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1680524687; bh=2Msi5SZ8ml19YSOMiyhl4op0vJSG4H+HQne13hB3oLs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=a6ZDaZshWlVKwPc84AxzulMoL+CYRlewZd5DR0MJ2l/j8cfd4u4QSQdeVlnuUc3V/ eJ9e1U/DSqiKM/2f9C0O7p/L5LSEA5ZIMKP8QRLpryDSUhisoDm7Q3QX0+upg06ZFm 2t19hxCKseQBFKgoxSJwlv1VKWyElkaQh+OKx1cYVceEZKo7RA0JBuvcQFg4T8pqtl XO7vXd2ITb10dCXzT83Fw6ypJQhwZXIbXHMPSI1muLmrEOxP4HItpx8oK6p7NG/SAz 2m9ylqFGTKttPBVvmcRcdrlVkxeFtV1H6S2r822+B0DhBAx9PKgpgZEuhLzsKCorIu pbHV7GIG6zIUw== Date: Mon, 3 Apr 2023 14:24:42 +0200 From: Christian Brauner To: Jens Axboe Cc: io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org Subject: Re: [PATCHSET for-next 0/2] Flag file systems as supporting parallel dio writes Message-ID: <20230403-wound-roundworm-c1660e059b8c@brauner> References: <20230307172015.54911-1-axboe@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230307172015.54911-1-axboe@kernel.dk> X-Spam-Status: No, score=-5.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Tue, Mar 07, 2023 at 10:20:13AM -0700, Jens Axboe wrote: > Hi, > > This has been on my TODO list for a while, and now that ext4 supports > parallel dio writes as well, time to dust it off and send it out... This > adds an FMODE flag to inform users that a given file supports parallel > dio writes. io_uring can use this to avoid serializing dio writes > upfront, in case it isn't needed. A few details in patch #2, patch 1 does > nothing by itself. Looks good, Reviewed-by: Christian Brauner