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 321D9C25B76 for ; Tue, 11 Jun 2024 10:48:29 +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=J//3SpzKDDc857L2Pv7qWTh9uZ8XkAvtsdrbgMb/3qY=; b=mMKgs+EIspdLMaU3zXtG014Hdw mbQq2Ua9Iux72P5aur7/j6Wo2M4UqOf96/gRSeFsgZIrjxwcDnhyCpAdFZ/pFMgz6RfjRvTCan8YF cDixYfEvX78VN9gbawZzUTasTRkzSs2zmgltE8CR8dyEaGmH2Kx/6B54clJzQaQrbNRE2184mgSBn sAO5eJneTHPbKV9UsnwzrH9u0ND4JJ4D7FeQs9uFFenabxc3qN7O8qYk0rXHUpf/xGu11GPZc0jgb 9zEjmbIxx4sPn3kmhdTDgnzfh//jZoYbq0UCqVWyxLJzMOENA3sNgS9P+I3YQ233uhL8tpkUlb7gy PZ8XUTyg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGz3E-00000008V4z-2DAd; Tue, 11 Jun 2024 10:48:28 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGwhI-000000082yt-2olW; Tue, 11 Jun 2024 08:17:42 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 964F460C99; Tue, 11 Jun 2024 08:17:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 001E2C2BD10; Tue, 11 Jun 2024 08:17:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718093859; bh=8hoK2gKDaRsBvhpNjKWXz1NiL4R/W55wPg0pcyUnTg8=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=vRlCqU6kXmdmYokXUm2SdAVQKVkuohc6QD634jV5YaAQTtPSpRt6l4PYnhfTViNDw sbGdXs6SfI8gJDA08QAexH1JSxVl9S/Par06DxrUB4GI0tIhYG/yn58Ww6l/0QCu56 WseAAZIp7UfGEfNQUZDJH/9CKtHnu/6zi6luI2GQJ1poRNm+fPzSuf2EsNdvmJ7qNi nJSmsZ8E48CIwWwRJgt5yxhenbvusswprhVLBGGicCH3/2nSpxzVzmGUhEFnCcducJ jqZanUchjNsStFy5gRtuzoGaUYgOY6jNc667Bvz8/tDlqfTuQVB8PXPIosnj3IAUtu ilukga62R9dEQ== Message-ID: Date: Tue, 11 Jun 2024 17:17:32 +0900 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 20/26] block: move the dax flag to queue_limits To: Christoph Hellwig , Jens Axboe Cc: Geert Uytterhoeven , Richard Weinberger , Philipp Reisner , Lars Ellenberg , =?UTF-8?Q?Christoph_B=C3=B6hmwalder?= , Josef Bacik , Ming Lei , "Michael S. Tsirkin" , Jason Wang , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Alasdair Kergon , Mike Snitzer , Mikulas Patocka , Song Liu , Yu Kuai , Vineeth Vijayan , "Martin K. Petersen" , linux-m68k@lists.linux-m68k.org, linux-um@lists.infradead.org, drbd-dev@lists.linbit.com, nbd@other.debian.org, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, virtualization@lists.linux.dev, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, nvdimm@lists.linux.dev, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-block@vger.kernel.org References: <20240611051929.513387-1-hch@lst.de> <20240611051929.513387-21-hch@lst.de> Content-Language: en-US From: Damien Le Moal Organization: Western Digital Research In-Reply-To: <20240611051929.513387-21-hch@lst.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240611_011740_797402_D3C72B49 X-CRM114-Status: UNSURE ( 7.36 ) X-CRM114-Notice: Please train this message. X-Mailman-Approved-At: Tue, 11 Jun 2024 03:48:17 -0700 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 6/11/24 2:19 PM, Christoph Hellwig wrote: > Move the dax flag into the queue_limits feature field so that it > can be set atomically and all I/O is frozen when changing the flag. > > Signed-off-by: Christoph Hellwig Looks good. Reviewed-by: Damien Le Moal -- Damien Le Moal Western Digital Research