From: Artem Bityutskiy Subject: Re: imperfect FIEMAP results on btrfs Date: Fri, 03 May 2013 08:57:11 +0300 Message-ID: <1367560631.23415.2.camel@sauron.fi.intel.com> References: <1367510414.32396.90.camel@sauron.fi.intel.com> <20130502233103.GA15549@dastard> Reply-To: dedekind1@gmail.com Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: linux-btrfs@vger.kernel.org, linux-ext4 To: Dave Chinner Return-path: In-Reply-To: <20130502233103.GA15549@dastard> Sender: linux-btrfs-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Fri, 2013-05-03 at 09:31 +1000, Dave Chinner wrote: > IOWs, you simply can't assume that a specific test will give you the > same block layout across filesystems and different filesystem > configurations. Welcome to the world of "can't assume anything about > block layout" pain xfstests has been dealing with for years ;) This is what I also assumed, but wanted to get some feed-back from the community. Thanks a lot for the answer! -- Best Regards, Artem Bityutskiy