From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: Use case for "loop: Issue O_DIRECT aio with pages"? Date: Fri, 2 Mar 2012 02:29:29 -0500 Message-ID: <20120302072928.GA23725@infradead.org> References: <20120301231524.GG32588@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Zach Brown , Dave Kleikamp , linux-fsdevel@vger.kernel.org To: Ted Ts'o Return-path: Received: from 173-166-109-252-newengland.hfc.comcastbusiness.net ([173.166.109.252]:42273 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754909Ab2CBH3c (ORCPT ); Fri, 2 Mar 2012 02:29:32 -0500 Content-Disposition: inline In-Reply-To: <20120301231524.GG32588@thunk.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: I don't care about loop in particular, but this is important for any in-kernel block device emulation using files, including the SCSI target and a possible vhost-{block,scsi} implementation. It's also the right way to implement swapping, instead of the braindead swap over nfs proposals floating around currently.