From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1ls47P-0006cI-Gl for mharc-grub-devel@gnu.org; Sat, 12 Jun 2021 09:56:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42500) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ls47N-0006c4-6J for grub-devel@gnu.org; Sat, 12 Jun 2021 09:56:09 -0400 Received: from ionic.de ([145.239.234.145]:41625 helo=mail.ionic.de) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ls47H-0007uV-Hl for grub-devel@gnu.org; Sat, 12 Jun 2021 09:56:08 -0400 Authentication-Results: root24.eu; spf=softfail (domain owner discourages use of this host) smtp.mailfrom=ionic.de (client-ip=217.92.117.31; helo=home.ionic.de; envelope-from=ionic@ionic.de; receiver=) Received: from [192.168.0.46] (home.ionic.de [217.92.117.31]) by mail.ionic.de (Postfix) with ESMTPSA id 0348C1487181; Sat, 12 Jun 2021 13:55:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ionic.de; s=default; t=1623506158; bh=0Ws/9l2NBz6QMkgbjtLQ/4Xtdm7FatyfoK0j4Sxdp/A=; h=To:References:From:Subject:Date:In-Reply-To:From; b=ReXhM5RsBDS7uG4eSSDdnkDx4J+qNwUp5ZCXC/Fqj/INTolvZdPOx/Y5aTl3el+n+ Tq7IBgJ+Xiwpk55UpF69q9lS2kxKEIcKpc003H5wi0ownO1G7Ko4i9GuSbcvFFIWEd 4pZncIGVD8RCi5scr4oxNnD4s1j3izZnMHiOFw9Y= To: The development of GNU GRUB , Javier Martinez Canillas References: <20210611193616.2596290-1-javierm@redhat.com> From: Mihai Moldovan Subject: Re: [PATCH] fs/ext2: Ignore checksum seed incompat feature support Message-ID: <5025fe63-d7db-210e-f66e-8e0982c22301@ionic.de> Date: Sat, 12 Jun 2021 15:55:57 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210611193616.2596290-1-javierm@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="lgVeUANH58zx45upBu8JNO9lhvMPD7ME0" Received-SPF: pass client-ip=145.239.234.145; envelope-from=ionic@ionic.de; helo=mail.ionic.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Jun 2021 13:56:09 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --lgVeUANH58zx45upBu8JNO9lhvMPD7ME0 Content-Type: multipart/mixed; boundary="7uEEoF7vXFVIaESobx2NLpKfk5R4aB3Dk"; protected-headers="v1" From: Mihai Moldovan To: The development of GNU GRUB , Javier Martinez Canillas Message-ID: <5025fe63-d7db-210e-f66e-8e0982c22301@ionic.de> Subject: Re: [PATCH] fs/ext2: Ignore checksum seed incompat feature support References: <20210611193616.2596290-1-javierm@redhat.com> In-Reply-To: <20210611193616.2596290-1-javierm@redhat.com> --7uEEoF7vXFVIaESobx2NLpKfk5R4aB3Dk Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable * On 6/11/21 9:36 PM, Javier Martinez Canillas wrote: > This incompat feature is used to denote that the filesystem stored its > metadata checksum seed in the superblock. This is used to allow tune2fs= > to change the UUID on a mounted metadata_csum filesystem without having= > to rewrite all the disk metadata. >=20 > But GRUB doesn't use the metadata checksum in anyway, so can just ignor= e any way > this feature if is enabled. This is consistent with GRUB filesystem cod= e if it is > in general which just does a best effort to access the filesystem's dat= a. >=20 > It may be removed from the ignored list in the future if supports to do= > metadata checksumming verification is added to the read-only FS driver.= support or better yet: support for metadata checksum verification Mihai --7uEEoF7vXFVIaESobx2NLpKfk5R4aB3Dk-- --lgVeUANH58zx45upBu8JNO9lhvMPD7ME0 Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsF5BAABCAAjFiEEbhHQj3UzgcdE8cg8H9Yu2W4lOocFAmDEvO0FAwAAAAAACgkQH9Yu2W4lOoez Tg/+PJICM5iTxQ+F2z38A78hMNUDU+m4BMDb1oDQQ8D4EUyh0MtNNAsAPvrATSLfCG5glK2cK5Zd To4qgy5XjCS8P/nnb05jxWgpqp0IHS5Wh/XfcCvN5PVwMyzppT58c+G0b1S2huX78jzDnYW0U/1s YXy1d4TW9QQuYvcx9j3nPt7IvX6J0P1FXu62tNXyu//g8rifKyE6k61Lzn/9Ko9lWWrDdTJsDq2q 8AWa98Uo1awKzdiQmztPBRRulycirDvmh7i2CqNhh73jSyLDh6qunrCSyhSY37mVnDdEndYT5YW9 9qo4fWBbvhZ6vAutO/zw3IZNoMzZf6nOSr4I0eqdItNaalhdlPLaDVPseFtc//ZA2xd6oSzuDz6K I7YlSK4yrvPFYazG6WCK/C+D92qUSYDA2aDx9Z0D876Z7lWQU4SZMewExfP7+seYWfB3j15A+580 Mw+twk6lHCpM/uBobZSPLuL/yuoxadXOyoomORA/iZahPD/kHme8BlxotxHwCmU5nmciVmWQBOLR I2306OlBZTNwIfDmClYlFDh4zgCXvL+D4ifBdxrTRxwyUOR3jLK4kVE0uuRu9urSwq8/ulicro2u OOvO7+HusrBrbxOHeFObt1OFQ9YTVZ+gEf/HqbD/3/5iBy3WHrwbtiWcmqYGJz8/0UVls4a7bx55 agg= =N8e4 -----END PGP SIGNATURE----- --lgVeUANH58zx45upBu8JNO9lhvMPD7ME0--