From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailgw-02.dd24.net ([193.46.215.43]:42190 "EHLO mailgw-02.dd24.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752720AbcISUgF (ORCPT ); Mon, 19 Sep 2016 16:36:05 -0400 Received: from mailpolicy-01.live.igb.homer.key-systems.net (mailpolicy-01.live.igb.homer.key-systems.net [192.168.1.26]) by mailgw-02.dd24.net (Postfix) with ESMTP id D4C955FC7F for ; Mon, 19 Sep 2016 20:36:02 +0000 (UTC) Received: from mailgw-02.dd24.net ([192.168.1.36]) by mailpolicy-01.live.igb.homer.key-systems.net (mailpolicy-01.live.igb.homer.key-systems.net [192.168.1.25]) (amavisd-new, port 10236) with ESMTP id oLqvnuwG7yL4 for ; Mon, 19 Sep 2016 20:36:01 +0000 (UTC) Received: from heisenberg.fritz.box (ppp-46-244-200-251.dynamic.mnet-online.de [46.244.200.251]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mailgw-02.dd24.net (Postfix) with ESMTPSA for ; Mon, 19 Sep 2016 20:36:00 +0000 (UTC) Message-ID: <1474317360.10189.27.camel@scientia.net> Subject: Re: stability matrix From: Christoph Anton Mitterer To: linux-btrfs@vger.kernel.org Date: Mon, 19 Sep 2016 22:36:00 +0200 In-Reply-To: <7d60b7ae-7a5f-a386-9472-9237cacfb046@fb.com> References: <57D51BF9.2010907@online.no> <20160912142714.GE16983@twin.jikos.cz> <52304724-5bca-a1e6-527f-040085c7ab19@gmail.com> <20160912165107.GG16983@twin.jikos.cz> <58a954fc-bbd5-3fb5-9f23-008ed7f7121d@gmail.com> <20160915010759.GD32452@DigitalMercury.dynalias.net> <5dec6544a78a0301a8e0cd9086179f99@crc.id.au> <1473905644.8603.44.camel@scientia.net> <20160919152753.GG933@twin.jikos.cz> <1474314776.10189.24.camel@scientia.net> <7d60b7ae-7a5f-a386-9472-9237cacfb046@fb.com> Content-Type: multipart/signed; micalg="sha-512"; protocol="application/x-pkcs7-signature"; boundary="=-EWAx0KtJr9j70X94Pa1M" Mime-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org List-ID: --=-EWAx0KtJr9j70X94Pa1M Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2016-09-19 at 16:07 -0400, Chris Mason wrote: > That's in the blockdev command (blockdev --setro /dev/xxx). Well, I know that ;-) ... but I bet most end-user don't (just as most end-users assume mount -r is truly ro)... At least this is nowadays documented at the mount manpage... so in a way one can of course argue: if the user can't read you can't help him anyway... :) Cheers, Chris. --=-EWAx0KtJr9j70X94Pa1M Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCCEmow ggXiMIIDyqADAgECAhBctkhuRwyYxn/2gNtkSuKNMA0GCSqGSIb3DQEBCwUAMH0xCzAJBgNVBAYT AklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSswKQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0 aWZpY2F0ZSBTaWduaW5nMSkwJwYDVQQDEyBTdGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0 eTAeFw0xNTEyMTYwMTAwMDVaFw0zMDEyMTYwMTAwMDVaMHUxCzAJBgNVBAYTAklMMRYwFAYDVQQK Ew1TdGFydENvbSBMdGQuMSkwJwYDVQQLEyBTdGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0 eTEjMCEGA1UEAxMaU3RhcnRDb20gQ2xhc3MgMiBDbGllbnQgQ0EwggEiMA0GCSqGSIb3DQEBAQUA A4IBDwAwggEKAoIBAQDuD1CMlQkjhKz1UGqP1jeiTiH9MgllRz6vOPrVG/eE0H/J4QQLV/PeL8RT 4xc44bEzsoJu0IhwnEchb+TxE/qw88w7hxODuw3N8Faxix6a1jp83+RWvZHZf78+O+3GYBpekZfT Oe9A/FoTXbcgwZfLTMQodn+ckNnX31M/1M2f2/7VA7QBlvihontyHQOlIlryQXnGI0UMCD21oopK tW48ckv0wUVg8irBKGMeD65gTON/Fsw/ZBbBqadoD1jt85FIM1ql24WUBEBwO1d0ykCKOIbgcqes 3fbcjQpruUNMBbIu1MMIRMqwjx/M7IvSKcS7VYRWl0/K2byzWvBAHh/1AgMBAAGjggFkMIIBYDAO BgNVHQ8BAf8EBAMCAQYwHQYDVR0lBBYwFAYIKwYBBQUHAwIGCCsGAQUFBwMEMBIGA1UdEwEB/wQI MAYBAf8CAQAwMgYDVR0fBCswKTAnoCWgI4YhaHR0cDovL2NybC5zdGFydHNzbC5jb20vc2ZzY2Eu Y3JsMGYGCCsGAQUFBwEBBFowWDAkBggrBgEFBQcwAYYYaHR0cDovL29jc3Auc3RhcnRzc2wuY29t MDAGCCsGAQUFBzAChiRodHRwOi8vYWlhLnN0YXJ0c3NsLmNvbS9jZXJ0cy9jYS5jcnQwHQYDVR0O BBYEFJmXqxg1OotZRUOYsnJxyPT7Cc8WMB8GA1UdIwQYMBaAFE4L7xqkQFulF2mHMMo0aEPQQa7y MD8GA1UdIAQ4MDYwNAYEVR0gADAsMCoGCCsGAQUFBwIBFh5odHRwOi8vd3d3LnN0YXJ0c3NsLmNv bS9wb2xpY3kwDQYJKoZIhvcNAQELBQADggIBAJlBQQTO9iT1TjA0eEO7V/1AbBvMAfibjAgofxmJ 01jBmHKg0pbTjWInTTYoxb3LBgz3mfjvvS1PjnIfb29MyVm0G/PSHjgq7Ews1dEJMPC9XTuxPf2c +MWLkynBlotW542JprW+iTWfZafyUtzIKW1hk0YASJ8zSSj8D++9yR+0UhkbvlECJkdi1+et0EaI 7HIX6ccj1rfcFFflWX/fPT64dn9jpg9s0nuJug4WsVkEK236WndZoMHrZmgF7CIyZ3T0muqYwkAS DDcRt9A21o/Mc+D8Q6GVmKRGB3gEKvOtsioHZEqJv6CdAm3a6gloo5pX3RL1eCzc8Lzfs4T0ISZj r8xNMbTGlsuHaFH+stDewKsfnpo4N64OtAGrzmVfFFsMIRENRHsVlSEe/6LVpBpjn00+7bqEN3qe qSxIOraYJ12mJ08G4YnP2U1fadHIaS50O5ZXqAivoBl9pi/6CBNc5wIMlkXMyFZ0sLsI+9ErFDu9 OJhX7iWCo69X0ydlzXj08+2K1PKyr+g6/vTPHur63JotNrhyoWEJyWEjBLA4QmJXfGpB5u+bCwNf sFpcYAlkiFt1Rs2vemgSBy3q4DHDbPKvr1YImZNRSHP+TX9NP94JRkmqcyD/qaN7u2JV1pRAlwG0 npyrn6ZQM1QHV+iFbwQ4VqLMWk//QVo/rZy1MIIGPjCCBSagAwIBAgIQPZ6tDP/RHLwcz1F+2kRA DzANBgkqhkiG9w0BAQsFADB1MQswCQYDVQQGEwJJTDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjEp MCcGA1UECxMgU3RhcnRDb20gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxIzAhBgNVBAMTGlN0YXJ0 Q29tIENsYXNzIDIgQ2xpZW50IENBMB4XDTE2MDEwMjAyMDIzNloXDTE4MDEwMjAyMDIzNlowejEL MAkGA1UEBhMCREUxDzANBgNVBAgMBkJheWVybjERMA8GA1UEBwwITcO8bmNoZW4xITAfBgNVBAMM GENocmlzdG9waCBBbnRvbiBNaXR0ZXJlcjEkMCIGCSqGSIb3DQEJARYVY2FsZXN0eW9Ac2NpZW50 aWEubmV0MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsoxs789VtR81tlqeP2vwE3Cp YosZYRfrovj+Wb91paoV5OQcFuXA7yONnLsWxOnJ3AGgy1/wG79Ko+yHSmF2K88pEWjrFe0zmZWZ 0b2OtMoKLEjxz7Nz2N7/lmgss8XinJ083LwLKSe4f+JLjnF5hX/g6wG4NkFXVOIf2YFZ0+c1NYFQ T6Vy42EWdk+JLDoXjyd2hEperLCz9rQr2k3wh0cn8R1FDUGerBGpMnvyKV6JXj5vZsqJnmiiId9e 0IdBj4Wcs3hT2usk6dJYwHrZ8b7Fkv6BRq90DUI7i8+ukTdp5hnAb8TPSbe1JS4h3Jc7r2NVLkpo Gbuw98er9s2PEAvpECD3toO3ojBevL56vEDbGa5tXpvvcWCz6t3QyEKJ2E54hWw1fbUA0BtydQC0 mhKBtrENVnnCDrSgiyBMnd8y+kw6iPKeJEjNObGubc4BZp47zPn/ZiDBaHue6S0MXsoS7XEGOuCU 09S/8kD8wTecBg+KdlLSNkLm+xqx6Cy7zwcj3IuQv0PeWi4kfEkAJfl8IeAP/4049iA6a1rkhJl7 1rDjpEGBCG+i9BAgBeNdHLtQ7bugdvU+GfHjFXEU1emUk91E2liML8kpCvhUAXcLhhL8bxPJiX2/ VQ2esrpQVO56OzpivNauonLaWmHEKOSfPC3s5AKMytMTiUiszEUCAwEAAaOCAcMwggG/MAsGA1Ud DwQEAwIEsDAdBgNVHSUEFjAUBggrBgEFBQcDAgYIKwYBBQUHAwQwCQYDVR0TBAIwADAdBgNVHQ4E FgQUwRklxF1ZV2ooSMkFwLiK13apkK0wHwYDVR0jBBgwFoAUmZerGDU6i1lFQ5iycnHI9PsJzxYw bwYIKwYBBQUHAQEEYzBhMCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5zdGFydHNzbC5jb20wOQYI KwYBBQUHMAKGLWh0dHA6Ly9haWEuc3RhcnRzc2wuY29tL2NlcnRzL3NjYS5jbGllbnQyLmNydDA4 BgNVHR8EMTAvMC2gK6AphidodHRwOi8vY3JsLnN0YXJ0c3NsLmNvbS9zY2EtY2xpZW50Mi5jcmww IAYDVR0RBBkwF4EVY2FsZXN0eW9Ac2NpZW50aWEubmV0MCMGA1UdEgQcMBqGGGh0dHA6Ly93d3cu c3RhcnRzc2wuY29tLzBUBgNVHSAETTBLMAwGCisGAQQBgbU3BgEwOwYLKwYBBAGBtTcBAgQwLDAq BggrBgEFBQcCARYeaHR0cDovL3d3dy5zdGFydHNzbC5jb20vcG9saWN5MA0GCSqGSIb3DQEBCwUA A4IBAQBb8EIsoUN/tgUgQqrNXNtlksPep84kx5yRBgr71uf3ITLddGtzfDBj6KdZUoy7SG3MQkyO kvYmXBClj23rv8Iol48/3oi9XWZw5EV3uHrRse1TzQgMPZE0hZsDgkqXVoxMQfk55ndjZIHMfSkn hdnqSP5zZ4TCmDEKLppPMDcQSSrjilnbthpxlIJzeGeEFtrh6ssh/oF6mUaEGFcd8kx9RS51K1gt H4J36y4E6pKB7EdxG2+0yVzAIta8dkD/BiMCKRWhp1EmzQ2uIh2nX5y8t4e2xHHuiy11Yeq6UTW/ JmfxF4xcbkNK/rv9ISBg9K+mZtg2QXr+P/CJBtej2RLUMIIGPjCCBSagAwIBAgIQPZ6tDP/RHLwc z1F+2kRADzANBgkqhkiG9w0BAQsFADB1MQswCQYDVQQGEwJJTDEWMBQGA1UEChMNU3RhcnRDb20g THRkLjEpMCcGA1UECxMgU3RhcnRDb20gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxIzAhBgNVBAMT GlN0YXJ0Q29tIENsYXNzIDIgQ2xpZW50IENBMB4XDTE2MDEwMjAyMDIzNloXDTE4MDEwMjAyMDIz NlowejELMAkGA1UEBhMCREUxDzANBgNVBAgMBkJheWVybjERMA8GA1UEBwwITcO8bmNoZW4xITAf BgNVBAMMGENocmlzdG9waCBBbnRvbiBNaXR0ZXJlcjEkMCIGCSqGSIb3DQEJARYVY2FsZXN0eW9A c2NpZW50aWEubmV0MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsoxs789VtR81tlqe P2vwE3CpYosZYRfrovj+Wb91paoV5OQcFuXA7yONnLsWxOnJ3AGgy1/wG79Ko+yHSmF2K88pEWjr Fe0zmZWZ0b2OtMoKLEjxz7Nz2N7/lmgss8XinJ083LwLKSe4f+JLjnF5hX/g6wG4NkFXVOIf2YFZ 0+c1NYFQT6Vy42EWdk+JLDoXjyd2hEperLCz9rQr2k3wh0cn8R1FDUGerBGpMnvyKV6JXj5vZsqJ nmiiId9e0IdBj4Wcs3hT2usk6dJYwHrZ8b7Fkv6BRq90DUI7i8+ukTdp5hnAb8TPSbe1JS4h3Jc7 r2NVLkpoGbuw98er9s2PEAvpECD3toO3ojBevL56vEDbGa5tXpvvcWCz6t3QyEKJ2E54hWw1fbUA 0BtydQC0mhKBtrENVnnCDrSgiyBMnd8y+kw6iPKeJEjNObGubc4BZp47zPn/ZiDBaHue6S0MXsoS 7XEGOuCU09S/8kD8wTecBg+KdlLSNkLm+xqx6Cy7zwcj3IuQv0PeWi4kfEkAJfl8IeAP/4049iA6 a1rkhJl71rDjpEGBCG+i9BAgBeNdHLtQ7bugdvU+GfHjFXEU1emUk91E2liML8kpCvhUAXcLhhL8 bxPJiX2/VQ2esrpQVO56OzpivNauonLaWmHEKOSfPC3s5AKMytMTiUiszEUCAwEAAaOCAcMwggG/ MAsGA1UdDwQEAwIEsDAdBgNVHSUEFjAUBggrBgEFBQcDAgYIKwYBBQUHAwQwCQYDVR0TBAIwADAd BgNVHQ4EFgQUwRklxF1ZV2ooSMkFwLiK13apkK0wHwYDVR0jBBgwFoAUmZerGDU6i1lFQ5iycnHI 9PsJzxYwbwYIKwYBBQUHAQEEYzBhMCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5zdGFydHNzbC5j b20wOQYIKwYBBQUHMAKGLWh0dHA6Ly9haWEuc3RhcnRzc2wuY29tL2NlcnRzL3NjYS5jbGllbnQy LmNydDA4BgNVHR8EMTAvMC2gK6AphidodHRwOi8vY3JsLnN0YXJ0c3NsLmNvbS9zY2EtY2xpZW50 Mi5jcmwwIAYDVR0RBBkwF4EVY2FsZXN0eW9Ac2NpZW50aWEubmV0MCMGA1UdEgQcMBqGGGh0dHA6 Ly93d3cuc3RhcnRzc2wuY29tLzBUBgNVHSAETTBLMAwGCisGAQQBgbU3BgEwOwYLKwYBBAGBtTcB AgQwLDAqBggrBgEFBQcCARYeaHR0cDovL3d3dy5zdGFydHNzbC5jb20vcG9saWN5MA0GCSqGSIb3 DQEBCwUAA4IBAQBb8EIsoUN/tgUgQqrNXNtlksPep84kx5yRBgr71uf3ITLddGtzfDBj6KdZUoy7 SG3MQkyOkvYmXBClj23rv8Iol48/3oi9XWZw5EV3uHrRse1TzQgMPZE0hZsDgkqXVoxMQfk55ndj ZIHMfSknhdnqSP5zZ4TCmDEKLppPMDcQSSrjilnbthpxlIJzeGeEFtrh6ssh/oF6mUaEGFcd8kx9 RS51K1gtH4J36y4E6pKB7EdxG2+0yVzAIta8dkD/BiMCKRWhp1EmzQ2uIh2nX5y8t4e2xHHuiy11 Yeq6UTW/JmfxF4xcbkNK/rv9ISBg9K+mZtg2QXr+P/CJBtej2RLUMYIEfjCCBHoCAQEwgYkwdTEL MAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0Q29tIEx0ZC4xKTAnBgNVBAsTIFN0YXJ0Q29tIENl cnRpZmljYXRpb24gQXV0aG9yaXR5MSMwIQYDVQQDExpTdGFydENvbSBDbGFzcyAyIENsaWVudCBD QQIQPZ6tDP/RHLwcz1F+2kRADzANBglghkgBZQMEAgMFAKCCAcUwGAYJKoZIhvcNAQkDMQsGCSqG SIb3DQEHATAcBgkqhkiG9w0BCQUxDxcNMTYwOTE5MjAzNjAwWjBPBgkqhkiG9w0BCQQxQgRABvaa +nivLVnYsVJtmswGy2qrvx3VHgOylEMT4/0+5VTEKubaerBKUef9DgF5VO3FCwlztCbU/AhlWMv2 z3+lcTCBmgYJKwYBBAGCNxAEMYGMMIGJMHUxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENv bSBMdGQuMSkwJwYDVQQLEyBTdGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTEjMCEGA1UE AxMaU3RhcnRDb20gQ2xhc3MgMiBDbGllbnQgQ0ECED2erQz/0Ry8HM9RftpEQA8wgZwGCyqGSIb3 DQEJEAILMYGMoIGJMHUxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSkwJwYD VQQLEyBTdGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTEjMCEGA1UEAxMaU3RhcnRDb20g Q2xhc3MgMiBDbGllbnQgQ0ECED2erQz/0Ry8HM9RftpEQA8wDQYJKoZIhvcNAQEBBQAEggIAYjkK 3IycwSQNnuOiHsoC0rsHJ0gBBEzQJ+yXX6felAph6XRdzA+CesKxSBGM3ETsb4gR2vZioKvkO1Jh v1wUyoVzL7YXVd88SHEDuFuj04V7JbUO+1CJ1lvtf9B78mZDzTytyLVuMFclclQbOUzy1XifqXI1 0ecwbfTSeEEcWI5DuEISaEwk5s8wFESuirNt2b1EKsnzu0xyPUwr1OFm/Th0nWnjJtTrR9bAdAFo RUE1yA2JkEOHHcxddhgcQNy3PBkCyHdA6l5G4ai/9hJVf6o3J2UQQndYFEqmIxx7NP4t6ssLZOCW m2F+xMNJvre2ekzRuKm0k/N7s+cymu0CfFfZo1VKSNLM/knyMRZkofh6FXZ8brsJHaUtUYLr8LIS gwKbnPJMMcb3bAcx7r7ovYcBN1xCD9EAiEELw1iq5YhHZhLAmC8I7EZYc6Mh6j/s66IJkpqsB7nY JaQmJ0DvKUXQrdTkPL7LQ/tgMg57Pu5CJphO+us2fFNs/m/emdcqLfUMQjFKv8djio8t0f626YbV RHFCZCL18AQzlGlI7+teuEkCkdR8UoE1GeLijQKZn8IvX2Bmnoh43KTfDjwNBRJfZSUiuVnQ+1CA vsJsJv1NLMsJUxdUUfOREw9w/KK9UQRp9NUH9PhKC6m5no2gXuGEjmdwikOIj2R4KUZZbtUAAAAA AAA= --=-EWAx0KtJr9j70X94Pa1M--