From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from [198.137.202.9] ([198.137.202.9]:38354 "EHLO bombadil.infradead.org" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1750875AbcBMID5 (ORCPT ); Sat, 13 Feb 2016 03:03:57 -0500 Date: Sat, 13 Feb 2016 00:03:21 -0800 From: Christoph Hellwig To: "Darrick J. Wong" Cc: Dave Chinner , fstests@vger.kernel.org, linux-btrfs@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH v4.2 00/32] xfstests: test the nfs/cifs/btrfs/xfs reflink/dedupe ioctls Message-ID: <20160213080321.GB2151@infradead.org> References: <20160211233916.2202.40961.stgit@birch.djwong.org> <20160213012659.GA14668@dastard> <20160213043834.GC26204@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20160213043834.GC26204@birch.djwong.org> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Fri, Feb 12, 2016 at 08:38:34PM -0800, Darrick J. Wong wrote: > > Followup patch, anyway, because I'm about to push out everything > > that was in your second pull req (i.e. with the aiocp fix). > > xfs_io "bmap -c" is a new switch that dumps the CoW fork of a file. > AFAICT there isn't any way to check that an xfs_io command supports > a particular switch, though it wouldn't be difficult to add a check. Just test for it the same way we test for the existance of xfs_io subcommmand.