From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailgw-02.dd24.net ([193.46.215.43]:59817 "EHLO mailgw-02.dd24.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932625AbbKMDbb (ORCPT ); Thu, 12 Nov 2015 22:31:31 -0500 Message-ID: <1447385488.7045.32.camel@scientia.net> Subject: Re: bad extent [5993525264384, 5993525280768), type mismatch with chunk From: Christoph Anton Mitterer To: Qu Wenruo , "linux-btrfs@vger.kernel.org" Date: Fri, 13 Nov 2015 04:31:28 +0100 In-Reply-To: <564557A7.4030505@cn.fujitsu.com> References: <1447365063.7045.7.camel@scientia.net> <5645474D.8000804@cn.fujitsu.com> <1447381613.7045.21.camel@scientia.net> <56455073.1060406@cn.fujitsu.com> <1447383793.7045.27.camel@scientia.net> <564557A7.4030505@cn.fujitsu.com> Content-Type: multipart/signed; micalg="sha-512"; protocol="application/x-pkcs7-signature"; boundary="=-ybgR1JB8b9+rTNg9UezP" Mime-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org List-ID: --=-ybgR1JB8b9+rTNg9UezP Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2015-11-13 at 11:23 +0800, Qu Wenruo wrote: > No, "-t 2" means only dump extent tree, no privacy issues at all. > Since only numeric inode/snapshot number and offset inside file. > Or I'll give you a warning on privacy. >=20 > No file name at all, just try it yourself. I'm preparing it... > It may happened in older kernels, just recent btrfsck can detect the > problem. Okay, and how do "we" find the cause? > > kernel 4.2.6 > > btrfsprogs 4.3 > >=20 > New enough, that's the only good news yet... Well but I did use the same fs with older kernels... so it may have happened much earlier... :-( I do have a SHA512 checksum on every file... stored in the XATTRS... So as long as the file hierarchy would still be complete I could at least check whether all files are still really valid. Cheers, Chris. --=-ybgR1JB8b9+rTNg9UezP Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCCEZIw ggW/MIIDp6ADAgECAgMCOakwDQYJKoZIhvcNAQENBQAwVDEUMBIGA1UEChMLQ0FjZXJ0IEluYy4x HjAcBgNVBAsTFWh0dHA6Ly93d3cuQ0FjZXJ0Lm9yZzEcMBoGA1UEAxMTQ0FjZXJ0IENsYXNzIDMg Um9vdDAeFw0xNDA2MTIxNjM2MThaFw0xNjA2MTExNjM2MThaMHwxITAfBgNVBAMTGENocmlzdG9w aCBBbnRvbiBNaXR0ZXJlcjEkMCIGCSqGSIb3DQEJARYVY2FsZXN0eW9Ac2NpZW50aWEubmV0MTEw LwYJKoZIhvcNAQkBFiJtYWlsQGNocmlzdG9waC5hbnRvbi5taXR0ZXJlci5uYW1lMIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4phP/j9vT9dZT+k3ffHxvRWMOuzBnu5O3Fl4y2+WL7pL rfLiEhWzGXhHvjSqpt4vCNSdqy43453nnu8+hMb+uEtqSIL1AHU5eLhuDNVN9S4bt9E7nA2WKYBU LCUi/xCD/GL7ToyJNwhrhzcCZ7pXSc3xVqFoC4f6weU9ExhoEZQNRpTM0BFCOi4fRxvKFNnUYgjK hqy0Ta5H0Xx86mAp0Q4dxoD7mhI5iTF6TRkUheELxF24JCuAf04M89Cwft6DRH1FpJ3yvgW2B5U5 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