From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from meiko.romanrm.net ([195.154.97.166]:51917 "EHLO meiko.romanrm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750836AbaK0A23 (ORCPT ); Wed, 26 Nov 2014 19:28:29 -0500 Date: Thu, 27 Nov 2014 05:28:26 +0500 From: Roman Mamedov To: Robert White Cc: linux-btrfs@vger.kernel.org Subject: Re: Can't cp --reflink files on a Ext4-converted FS w/o checksums Message-ID: <20141127052826.04bb45f5@natsu> In-Reply-To: <54766E5C.8010909@pobox.com> References: <20141127005527.42a7fe59@natsu> <54765FC2.2050309@pobox.com> <20141127043337.198d6084@natsu> <54766E5C.8010909@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Wed, 26 Nov 2014 16:20:44 -0800 Robert White wrote: > I did some double checking and I think you'll find that if you lsattr > those files they still have the C (NoCOW) attribute, which also means > they are still unsummed. Indeed, I looked at the top level only, which had just directories. > (Trying to clear the NOCOW attribute on a file in BTRFS is _silently_ > ignored as invalid. That recursive removal only changed the directories.) And the chattr command even completes with a zero exit code, this is rather unexpected. $ lsattr 0000\ MP3.m3u; chattr -C 0000\ MP3.m3u && echo Yay; lsattr 0000\ MP3.m3u ---------------C 0000 MP3.m3u Yay ---------------C 0000 MP3.m3u -- With respect, Roman