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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 28BC5D3ABDA for ; Mon, 11 Nov 2024 17:48:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=EQ/YSyflFEK19dUNwksnyjAZemqpoYotz99gNmDJJn4=; b=Zq5gYLWqsZtIZwBfWBBsrDaFzo nLD6hMmb+iXy4pMe+ibjnU1IdO39JgBkur50cAbl2wHP+KfMpwB/gAJs0a2rxfVE9FV7nP66MBwUN aV1NXL03p5kvIc5/IAbkl6LyAesImndr+rXd4xYDV7ySUSEQK2srLzV6CTPXy1RfraQyEwDZOnhOt KOxa5eLk1jg6TXM1q60sahoc/+grSXpW6gWKlwHoQbOUU0HkeqQYXUVJYlf0Voblc8eVub4If6fj3 0OshwEAud28lT+lTp6UeYmssdFZPZgsEoqKMgm5F83kvGd5iuzHr0KQun6cO5UpNEy76I31w82u8J 925edMzw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tAYWo-00000000mGr-0v0b; Mon, 11 Nov 2024 17:48:42 +0000 Received: from 009.lax.mailroute.net ([199.89.1.12]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tAYUW-00000000lsH-3PGc for linux-nvme@lists.infradead.org; Mon, 11 Nov 2024 17:46:22 +0000 Received: from localhost (localhost [127.0.0.1]) by 009.lax.mailroute.net (Postfix) with ESMTP id 4XnH5s4cJ7zlgT1M; Mon, 11 Nov 2024 17:46:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :from:from:content-language:references:subject:subject :user-agent:mime-version:date:date:message-id:received:received; s=mr01; t=1731347165; x=1733939166; bh=EQ/YSyflFEK19dUNwksnyjAZ emqpoYotz99gNmDJJn4=; b=mX9ZYwAQ12bes+QJxHZczpD/MW1jRHfypLnkeTdB k0Efuu2qex5Us0NBWkQxjuTwVNsVzvgjhNuNQ6zReqbUcYPKUZmkbnvWKTAWm4at QGP4Mz4eA0g2yL7QZD+pY7yN3J8/PJjwwt3QibPgwKvaiHfKDvG+i+MrI1b1Rz2a eHouoKmM7l7wBGgVxxnhFibo1NYIq8vCHCVIoK6Cv5ut+XueS1VI4vHg8SJ6vmlq WvVBb3KRZ1ZZInrKrR7adRI71uGvrSpCJdNF7MIfYqbG4syzoiH1RdHxCALcisbC S8GaW0PJtFza68WV4T+GMU8wZGXWoHvCl2t2cFHFG6VqEw== X-Virus-Scanned: by MailRoute Received: from 009.lax.mailroute.net ([127.0.0.1]) by localhost (009.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id lK5eOCQPE44g; Mon, 11 Nov 2024 17:46:05 +0000 (UTC) Received: from [192.168.51.14] (c-73-231-117-72.hsd1.ca.comcast.net [73.231.117.72]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 009.lax.mailroute.net (Postfix) with ESMTPSA id 4XnH5h3H2BzlgTWG; Mon, 11 Nov 2024 17:46:00 +0000 (UTC) Message-ID: Date: Mon, 11 Nov 2024 09:45:56 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv10 0/9] write hints with nvme fdp, scsi streams To: Javier Gonzalez Cc: Matthew Wilcox , Keith Busch , Christoph Hellwig , Keith Busch , "linux-block@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "linux-scsi@vger.kernel.org" , "io-uring@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "joshi.k@samsung.com" References: <20241029151922.459139-1-kbusch@meta.com> <20241105155014.GA7310@lst.de> <20241108141852.GA6578@lst.de> <2b5a365a-215a-48de-acb1-b846a4f24680@acm.org> <20241111093154.zbsp42gfiv2enb5a@ArmHalley.local> Content-Language: en-US From: Bart Van Assche In-Reply-To: <20241111093154.zbsp42gfiv2enb5a@ArmHalley.local> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241111_094620_880826_ACDE89FC X-CRM114-Status: GOOD ( 14.44 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On 11/11/24 1:31 AM, Javier Gonzalez wrote: > On 08.11.2024 10:51, Bart Van Assche wrote: >> On 11/8/24 9:43 AM, Javier Gonzalez wrote: >>> If there is an interest, we can re-spin this again... >> >> I'm interested. Work is ongoing in JEDEC on support for copy offloading >> for UFS devices. This work involves standardizing which SCSI copy >> offloading features should be supported and which features are not >> required. Implementations are expected to be available soon. > > Do you have any specific blockers on the last series? I know you have > left comments in many of the patches already, but I think we are all a > bit confused on where we are ATM. Nobody replied to this question that was raised 4 months ago: https://lore.kernel.org/linux-block/4c7f30af-9fbc-4f19-8f48-ad741aa557c4@acm.org/ I think we need to agree about the answer to that question before we can continue with implementing copy offloading. Thanks, Bart.