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charset="us-ascii" Content-ID: <5569F1B6440E2E41B8ADB630D05BC357@namprd04.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SJ0PR04MB7776.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: bc389333-eed8-4297-b5d0-08d987c6f259 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Oct 2021 06:11:18.7481 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: g1jmhXTySoZQvuxiP7q5f0zFzfD64Yqzk66b9kdo1DyQglGXP5JW/O6afCIKw6ojZnV8gi1MlAYQEcSarVDwUw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR04MB7775 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Wed, Sep 29, 2021 at 12:22:23PM +0200, David Sterba wrote: > On Wed, Sep 29, 2021 at 02:24:22AM +0000, Naohiro Aota wrote: > > On Mon, Sep 27, 2021 at 11:51:39PM +0200, David Sterba wrote: > > > On Mon, Sep 27, 2021 at 01:15:49PM +0900, Naohiro Aota wrote: > > > I was doing some btrfs-convert changes and found that it crashed, rou= gh > > > bisection points to this series. With the last patch applied, convert > > > fails with the following ASAN error: > >=20 > > It looks like eb->fs_info =3D=3D NULL at this point. In case of > > btrfs-convert, we can assume it is non-zoned because we do not support > > the converting on a zoned device (we can't create ext*, reiserfs on a > > zoned device anyway). >=20 > That would mean that extN/reiserfs was created on a zoned device. One > can still do a image copy to a zoned device and then convert. Even if > this is possible in theory I'd rather not allow that right now because > there are probably more changes required to do full support. >=20 > I've just noticed that ZONED bit is mistakenly among the feature flag > bits allowed in convert. Added in 242c8328bcd55175 "btrfs-progs: zoned: > add new ZONED feature flag": >=20 > BTRFS_CONVERT_ALLOWED_FEATURES must not contain > BTRFS_FEATURE_INCOMPAT_ZONED. Oops, I thought I did not list BTRFS_FEATURE_INCOMPAT_ZONED in the ALLOWED_FEATURES list. I'll fix it in the new series.