From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net ([212.227.17.21]:54171 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752854AbaHFP5B (ORCPT ); Wed, 6 Aug 2014 11:57:01 -0400 Received: from asusntb.lan ([46.149.121.138]) by mail.gmx.com (mrgmx103) with ESMTPSA (Nemesis) id 0LzbXq-1WJOno3ooc-014nal for ; Wed, 06 Aug 2014 17:56:59 +0200 Date: Wed, 6 Aug 2014 17:56:52 +0200 From: Jakub =?utf-8?Q?Klinkovsk=C3=BD?= To: linux-btrfs@vger.kernel.org Subject: btrfs send/receive does not preserve +C (nocow) attribute Message-ID: <20140806155652.GA569@asusntb.lan> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="PEIAKu/WMn1b1Hv9" Sender: linux-btrfs-owner@vger.kernel.org List-ID: --PEIAKu/WMn1b1Hv9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline I've been testing btrfs send/receive, and to my surprise, the +C (nocow) attribute I have set on directory for virtual machines images is not preserved. Is this expected? Having found no information about this issue, I'm asking here. Info: $ uname -a Linux asusntb 3.15.8-1-ARCH #1 SMP PREEMPT Fri Aug 1 08:51:42 CEST 2014 x86_64 GNU/Linux $ btrfs --version Btrfs v3.14.2-dirty Both source and target btrfs filesystems are mounted with the same mount options: rw,nosuid,nodev,noatime,compress=lzo,space_cache,autodefrag,commit=60 $ lsattr ~/virtual_machines/ ---------------C virtual_machines/archlinux-btrfs.raw ---------------C virtual_machines/archlinux.raw ---------------C virtual_machines/winxp.raw $ lsattr /media/backup/virtual_machines/2014-08-06/ ---------------- /media/backup/virtual_machines/2014-08-06/archlinux-btrfs.raw ---------------- /media/backup/virtual_machines/2014-08-06/archlinux.raw ---------------- /media/backup/virtual_machines/2014-08-06/winxp.raw Regards, -- jlk --PEIAKu/WMn1b1Hv9 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBAgAGBQJT4lBEAAoJEMiJvVK88FbFQIsP/3XXQoUAtHXrdwxKu0gP11SG reKw3aVsML7gaTOK6x7amE39c6RJ9hfKT4M8bt0L1BtjK+B9KtHW/SUxG4n7GY/K hYhU+Xau7/6IelDUyuZ/bXmfRxAVQBBehmnho6dMmeIIjAba18AlNxxiEbT3So8t AowMmLgygodL2VKDbYdqIKPNU5n5AHVChWaPdJTQsBLmxkDHu4YYLXJH3lvn8o2k zEEgGZDIMg+X2nBTItBM3a0qdEaaWlTAYURKGIhvfvS5g8OyVyc2oGP3ScZSfaCA gYwXjxgQ+v9vZAfz0T6Q0EHxw6PM+y0andhTRwXHqH5snxZvPyI5heEQJiTFjFpK 8Klef3KBzhzdpQM3z1Sk4jA0yfyPNoSa7cwMI4/0yvfZm4rEXKWEqqPz90Oo711+ 8UssyXiUa9N3hleabWqmBuiJKU8ZFxfy2/1MDGCzLgBenrvqu2xH/KG2UEcmhsxF rf6hpPiH7n360//Zb18lxKgtQ30aoboDMC6ySVVKO3jI3Vbw67+XB3gimDBPzizL Qpfy7kMHvrHijlvY0eUmqmwAep4qOw5JNlniGWCsVTK6rjXTar+lHMmlBB2HQxuL r+WCNrR+0h/gLBgB+vOZU/b89QMZgdkAWIktUFP90pQA63mNwoVgY4bc6GSfZ1Tq +JuyJxxOAsblKtZgcSg3 =BV4E -----END PGP SIGNATURE----- --PEIAKu/WMn1b1Hv9--