From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jamie Lokier Subject: Re: [PATCH 0/4] Fiemap, an extent mapping ioctl - round 2 Date: Sat, 5 Jul 2008 11:49:41 +0100 Message-ID: <20080705104941.GA22185@shareable.org> References: <20080625221835.GQ28100@wotan.suse.de> <1214489061.6237.16.camel@norville.austin.ibm.com> <4863A483.5060303@redhat.com> <1214490465.6237.24.camel@norville.austin.ibm.com> <486C13B7.4030402@hp.com> <20080703111726.GZ29319@disturbed> <486CC446.1050602@hp.com> <0371AF9C-A83A-4584-83D2-6EE9DCEACD77@cam.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: jim owens , Dave Chinner , linux-fsdevel@vger.kernel.org To: Anton Altaparmakov Return-path: Received: from mail2.shareable.org ([80.68.89.115]:54537 "EHLO mail2.shareable.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750793AbYGEKty (ORCPT ); Sat, 5 Jul 2008 06:49:54 -0400 Content-Disposition: inline In-Reply-To: <0371AF9C-A83A-4584-83D2-6EE9DCEACD77@cam.ac.uk> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Anton Altaparmakov wrote: > Any application that calls fiemap and then goes and reads or writes > those blocks on disk is totally brain damaged and should be sent to > bitrot hell. fiemap is about information not about direct access to > disk by user space. So why FIEMAP_EXTENT_NO_DIRECT "Direct access to the data in this extent is illegal or will have undefined results" in the patches? - Jamie