From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932374Ab1GVVre (ORCPT ); Fri, 22 Jul 2011 17:47:34 -0400 Received: from one.firstfloor.org ([213.235.205.2]:48365 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932067Ab1GVVrd (ORCPT ); Fri, 22 Jul 2011 17:47:33 -0400 Date: Fri, 22 Jul 2011 23:47:32 +0200 From: Andi Kleen To: Matt Mackall Cc: Andi Kleen , NeilBrown , linux-fsdevel , Linux Kernel Mailing List Subject: Re: Nanosecond fs timestamp support: sad Message-ID: <20110722214732.GW8006@one.firstfloor.org> References: <1311271641.14555.114.camel@calx> <20110722163335.2df4f6ca@notabene.brown> <1311363269.14555.261.camel@calx> <20110722205922.GS8006@one.firstfloor.org> <1311369102.14555.268.camel@calx> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1311369102.14555.268.camel@calx> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 22, 2011 at 04:11:42PM -0500, Matt Mackall wrote: > On Fri, 2011-07-22 at 22:59 +0200, Andi Kleen wrote: > > > Indeed. Only usefully exists on ext4 and requires extra system calls. > > > > Not sure what you mean? It's in stat(2), just like the timestamps. > > I don't see anything that looks like a version or generation number in > either the man pages, the asm-generic/stat.h, or glibc's asm/stat.h. > Pointer? Hmm you're right. I thought it was in there, but apparently not. I think it should be added there though. We still have some unused fields. -Andi -- ak@linux.intel.com -- Speaking for myself only.