From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1n1kLE-0002M3-6n for mharc-grub-devel@gnu.org; Mon, 27 Dec 2021 02:22:44 -0500 Received: from eggs.gnu.org ([209.51.188.92]:52142) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n1kLB-0002Li-5t for grub-devel@gnu.org; Mon, 27 Dec 2021 02:22:41 -0500 Received: from ionic.de ([145.239.234.145]:56953 helo=mail.ionic.de) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n1kL6-0007p0-DA for grub-devel@gnu.org; Mon, 27 Dec 2021 02:22:40 -0500 Authentication-Results: root24.eu; spf=softfail (domain owner discourages use of this host) smtp.mailfrom=ionic.de (client-ip=93.242.40.211; helo=p5df228d3.dip0.t-ipconnect.de; envelope-from=ionic@ionic.de; receiver=) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ionic.de; s=default; t=1640589750; bh=j4a5ECmb21eIDRqEirMWFgMMOc8coFXD+571ZN8qMIY=; h=To:References:From:Subject:Date:In-Reply-To:From; b=m758u7pmwSrvQ8Jog+kOjYKBQADuQAU1ud0ksqB07ur9n4HjMWrrstSIZ1wBJzVzH u3wqwe8svpiiw9acYOGqvCiSDaBODg9Ut2xt1g+gAC76VPW1ZdSm9A4PZwkJRLwUio nb4BJuJ/yRqh6L3QjWDKCROCpMnDh6jBr70nc5V8= Received: from [192.168.2.110] (p5df228d3.dip0.t-ipconnect.de [93.242.40.211]) by mail.ionic.de (Postfix) with ESMTPSA id 08667148721E; Mon, 27 Dec 2021 07:22:29 +0000 (UTC) To: The development of GNU GRUB , youling 257 References: From: Mihai Moldovan Subject: Re: is possible allow GRUB to mount ext4/f2fs filesystems that have the casefold feature? Message-ID: Date: Mon, 27 Dec 2021 08:22:28 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="vVFkrVqpmxyh7jF1z02X2mEygD9vEqvWz" Received-SPF: pass client-ip=145.239.234.145; envelope-from=ionic@ionic.de; helo=mail.ionic.de X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 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=-1.363, 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: 2.1.29 Precedence: list List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Dec 2021 07:22:41 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --vVFkrVqpmxyh7jF1z02X2mEygD9vEqvWz Content-Type: multipart/mixed; boundary="xtJTeXIWID2GJHcTCk4Sldfsm8iMHPEhP"; protected-headers="v1" From: Mihai Moldovan To: The development of GNU GRUB , youling 257 Message-ID: Subject: Re: is possible allow GRUB to mount ext4/f2fs filesystems that have the casefold feature? References: In-Reply-To: --xtJTeXIWID2GJHcTCk4Sldfsm8iMHPEhP Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable * On 12/27/21 6:36 AM, youling 257 wrote: > now, linux kernel ext4/f2fs filesystem can support casefold. i used thi= s commond > to format ext4 filesystem. >=20 > mkfs.ext4 -F -O 64bit -L '' -E encoding=3Dutf8 '/dev/block/nvme1n1p1' >=20 > but grub can't found vmlinuz and initrd.img on casefold ext4 filesystem= =2E Since casefolding is an INCOMPAT feature (c.f., https://elixir.bootlin.com/linux/latest/source/fs/ext4/ext4.h#L2034 ), an= d grub does not implement that feature, grub will not be able to read such a fil= e system. Feel free to implement the feature, patches welcome and the like. Mihai --xtJTeXIWID2GJHcTCk4Sldfsm8iMHPEhP-- --vVFkrVqpmxyh7jF1z02X2mEygD9vEqvWz Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsF5BAABCAAjFiEEbhHQj3UzgcdE8cg8H9Yu2W4lOocFAmHJabQFAwAAAAAACgkQH9Yu2W4lOodN xA/+OCqtiFnzp56Y+SXwX5189/2AWZ0wzMHL0lFjUDegCSjdFhOFMSDb/EW3vf0KOSvs2zkaWpeJ ZsF+V3EpjGEHcT0KVbkL3TRIL6IjmSJcxuWipW9uR9c6Fg8rHC3Mi1Jo0gSgp+3f4EJLCNvG44Wb GfnQeCLbG3jFH3/kSGD4fiDQOrKH77O3pexWkavQY4jCXKwEWFVob3K5cGTEp/wtkskyK13fX8dn HopkLaJtHBlHZLtSSkAtrD0b73Dz57IvXe5RhhrxSMJDygWQK6XevauVmIBUlqgg2pdM5PSgoz60 zezHPReL5W6NP2c6E8zcceezn8xYi23XwFajBbqy/L/+pVk8FC89D/H5ywJhQ+a4I9rNMg3xHiMC nq03enLjdRSLyf1VObIvESoQTl/bBf6C/AzKIiUIOQJO3AxDfYMwKd/5CsqmT3BtoEIEPvxETN37 xi/eWTi/6afqwL+ksxK4LVcPVX25+oBunMqt34vQE+Aih3mN+IL8HMi17/6bSaUjj8uKU/QngOPF eHT2lvIXh1T1ociaGcW8EBrAotBtfCC0hVtKHRZ0qs7vcjZd6i6zwAfsBCB52YAsf7T4ki1ETCBa IXs+1MR5m1VUpjXKN3KHlY7EfEwhfzTHsyqIrR9NgPnGyDhl+89lrfylnhqJhAoLiiEqlEWQnLPF 4M8= =5Y/A -----END PGP SIGNATURE----- --vVFkrVqpmxyh7jF1z02X2mEygD9vEqvWz--