From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 665DD17556E for ; Tue, 11 Jun 2024 08:17:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=139.178.84.217 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718093861; cv=none; b=lPjLFCd9tl586RETABtRX/NNPyIL22e2xtsGUD1KYmdB5ELpvpxDcaCiv3567y7isOhz9wYWUuN5CS71w9lscKdydl3jULnXkhHdCUPOug13tYp8eskWHZPR1USBQNO+hwMImxMrlGW9mXjns8h8DnPG5XU/3wzRQUqjXfbj824= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718093861; c=relaxed/simple; bh=8hoK2gKDaRsBvhpNjKWXz1NiL4R/W55wPg0pcyUnTg8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Ru1PNUuk6ns4CYSABTHfLvTrVy4opzKLm6HFzQaL3UAaIne+yhQsk8et6j3nFDA/Ftw2z0G7CrcLKa4YzO3daHOdpnnM521Ree/2pBOC67BmxB7UbHw3yNxCTH8mLsit75fh6zgUyCPMb8nCMBngszM3cgcDnliQ5TsY4IW/lK0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kernel.org; spf=pass smtp.mailfrom=kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=vRlCqU6k; arc=none smtp.client-ip=139.178.84.217 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="vRlCqU6k" 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 Precedence: bulk X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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