From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ee0-f49.google.com ([74.125.83.49]:51308 "EHLO mail-ee0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750852AbaDQQLS (ORCPT ); Thu, 17 Apr 2014 12:11:18 -0400 Received: by mail-ee0-f49.google.com with SMTP id c41so838881eek.36 for ; Thu, 17 Apr 2014 09:11:17 -0700 (PDT) Message-ID: <534FFD22.1060500@gmail.com> Date: Thu, 17 Apr 2014 18:11:14 +0200 From: "Oliver O." MIME-Version: 1.0 To: Chris Mason , linux-btrfs@vger.kernel.org Subject: Re: File changing in snapshot References: <534FF5C1.8070404@gmail.com> <534FF9B5.4010207@fb.com> In-Reply-To: <534FF9B5.4010207@fb.com> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Am 17.04.2014 17:56, schrieb Chris Mason: > On 04/17/2014 11:39 AM, Oliver O. wrote: >> I seem to have observed a file on a (writable) snapshot changing >> although there were no writes occuring on the snapshot itself. This is >> not supposed to happen, right? > > Was this a nodatacow file? > > -chris No. Mount options: /dev/sda2 on /home type btrfs (rw,noatime,nodiratime,subvol=@home)