From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net ([212.227.17.21]:60610 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755537AbbFQTlM (ORCPT ); Wed, 17 Jun 2015 15:41:12 -0400 Received: from thetick ([93.181.44.4]) by mail.gmx.com (mrgmx102) with ESMTPSA (Nemesis) id 0MJFBe-1Z83Ia2iE6-002leg for ; Wed, 17 Jun 2015 21:41:10 +0200 Date: Wed, 17 Jun 2015 21:41:00 +0200 From: Marc Joliet To: linux-btrfs@vger.kernel.org Subject: Re: btrfs partition converted from ext4 becomes read-only minutes after booting: WARNING: CPU: 2 PID: 2777 at ../fs/btrfs/super.c:260 __btrfs_abort_transaction+0x4b/0x120 Message-ID: <20150617214100.467a0cd7@thetick> In-Reply-To: <20150617174630.GM16468@merlins.org> References: <20150617174630.GM16468@merlins.org> Reply-To: linux-btrfs@vger.kernel.org MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; boundary="Sig_/pu.8JGI8C6AC8izauQ.B3Pf"; protocol="application/pgp-signature" Sender: linux-btrfs-owner@vger.kernel.org List-ID: --Sig_/pu.8JGI8C6AC8izauQ.B3Pf Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Am Wed, 17 Jun 2015 10:46:30 -0700 schrieb Marc MERLIN : > I tried ext4 to btrfs once a year ago and it severely mangled my > filesystem. > I looked at it as a cool feature/hack that may have worked some time ago,= but > that no one really uses anymore, and that may not work right at this > point. Just another data point: when I switched to btrfs in the middle of last yea= r I used btrfs-convert on two file systems (an SSD and my backup partition on a USB 3.0 HDD), and it worked in both cases (i.e., no data loss). I did see s= ome strange balance issues (see the ML archives), but IIRC nothing really serio= us. --=20 Marc Joliet -- "People who think they know everything really annoy those of us who know we don't" - Bjarne Stroustrup --Sig_/pu.8JGI8C6AC8izauQ.B3Pf Content-Type: application/pgp-signature Content-Description: Digitale Signatur von OpenPGP -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBAgAGBQJVgc1UAAoJEL/Q5oYsiHj0OBsQAI9UIL9F/KB6WyeBaHPfq4LU 9lhPmsofBZ6JkHN7LO+21h5UmaMHhPKEuCYcYeZbzyhLsfna7x1BEctIZs22sD3T AwNzeFRSpp5772RndWU9pSjXrzMUY7w41lHWS2DhR4p7NWrQu4Y+DWdw/lFk+yR3 dyb8OUwt/tbegWT1NAr1N+BeqDHMAQ5k3EgzRoGssvUi3uG8Nwq2u7sqtJD9ZHad Cg2wN7oIVarqnMgXh/PIq2pyaxdD1HS+D9f91CdU+zqn6leoZu9niE+StMXyMIj+ LqBfRewBehJ7mDtj+fTIkbEPLo+YQmRQ56QrZb/Rh2ib0v2RhgSaCcKBMdkgJ5xV iK0u9E2ohptHlIxruiwHHMkad2RrAMXonY58D25tBrfZ+wyfcPr+FPbktcVgvDj8 zz2cZFsCpRPGxE23JzKL4KWboHftHyWoAMN4fiSm/cLi1LdvIa5qVarQhs/CpqlI dAnAzjW010KsZ/oZpta2jQINuaR2HAlBRNXsJpFzKUnOBS5V0fIvTkEC2NclI2fs 0gmBmoqecPqvLxX4flZQ2Q7xZx2tV5pG4O17d/Xn87KNYfjCdrDSMKvd1ed215Up H3sze/SsYq8QhfB8xKgKXiZaQNWgNsaxVpuOOqmoPsL07NFQvlH49Y4a7KCcccec ToPICIS1juS4UftK1a3J =+Ch/ -----END PGP SIGNATURE----- --Sig_/pu.8JGI8C6AC8izauQ.B3Pf--