From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 84DD97469 for ; Mon, 12 Feb 2024 07:28:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707722907; cv=none; b=p8uzQatWJIZRZSUK0wSTJV93iXW5+8RjebOAOa+frp9HvcVv3zS2vlCzpJgPehvsSx1SSqYLet2hiYO1p+BXtxrIbcHoxm6jglurmRu2q8aa07ry4o46/lj1GGpZt1jKEF73+RyK20ec8IYjzrWSht5dNh5TdUulD6MiVnYsh3E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707722907; c=relaxed/simple; bh=9glyc4CqEPc2uR4X04yIFLIK6MSEsDdDAS9ov9sdtrE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qR0kcEeINSduBQelH/70VLIKgjACQ6F2Xwo0+lnE0ByLQvdWsuchGqQPs1lMp1EnYckoo82D59iibTnetbABiilc3i2C7sYu89kRLdGc491vFHtUaVVckg0O9owxyX/wZiqBUt6ZtmkQfPLmlRcYnoSKkgp2TBJv55Ess9ArDi4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id E4522227A87; Mon, 12 Feb 2024 08:28:20 +0100 (CET) Date: Mon, 12 Feb 2024 08:28:20 +0100 From: Christoph Hellwig To: Damien Le Moal Cc: Christoph Hellwig , Jens Axboe , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , Paolo Bonzini , Stefan Hajnoczi , "Martin K. Petersen" , Keith Busch , Sagi Grimberg , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, virtualization@lists.linux.dev Subject: Re: [PATCH 03/15] block: decouple blk_set_stacking_limits from blk_set_default_limits Message-ID: <20240212072820.GA19597@lst.de> References: <20240212064609.1327143-1-hch@lst.de> <20240212064609.1327143-4-hch@lst.de> <74b1ddcc-4249-4b5f-89ef-6ebca70100a2@kernel.org> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <74b1ddcc-4249-4b5f-89ef-6ebca70100a2@kernel.org> User-Agent: Mutt/1.5.17 (2007-11-01) On Mon, Feb 12, 2024 at 04:14:48PM +0900, Damien Le Moal wrote: > > - blk_set_default_limits(lim); > > + memset(lim, 0, sizeof(*lim)); > > + lim->logical_block_size = lim->physical_block_size = lim->io_min = 512; > > + lim->discard_granularity = 512; > > Super minor nit: SECTOR_SIZE would be nice here. Just a code movement / copy, but otherwise yes. This code should go away when updating the stacking to the new API, so I'm not going to bother.