Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965150AbbDQRqf (ORCPT ); Fri, 17 Apr 2015 13:46:35 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:58812 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932459AbbDQRqc (ORCPT ); Fri, 17 Apr 2015 13:46:32 -0400 Date: Fri, 17 Apr 2015 10:46:30 -0700 From: Christoph Hellwig To: Matias Bj?rling Cc: Christoph Hellwig , axboe@fb.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, keith.busch@intel.com, javier@paletta.io Subject: Re: [PATCH 1/5 v2] blk-mq: Add prep/unprep support Message-ID: <20150417174630.GA10249@infradead.org> References: <1429101284-19490-1-git-send-email-m@bjorling.me> <1429101284-19490-2-git-send-email-m@bjorling.me> <20150417063439.GB389@infradead.org> <5530C132.30107@bjorling.me> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5530C132.30107@bjorling.me> User-Agent: Mutt/1.5.23 (2014-03-12) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 804 Lines: 19 On Fri, Apr 17, 2015 at 10:15:46AM +0200, Matias Bj?rling wrote: > Just the prep/unprep, or other pieces as well? All of it - it's functionality that lies logically below the block layer, so that's where it should be handled. In fact it should probably work similar to the mtd subsystem - that is have it's own API for low level drivers, and just export a block driver as one consumer on the top side. > In the future, applications can have an API to get/put flash block directly. > (using the blk_nvm_[get/put]_blk interface). s/application/filesystem/? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/