From owner-freebsd-hackers@freebsd.org Thu Sep 24 06:38:26 2020 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 2F1C53EE20B for ; Thu, 24 Sep 2020 06:38:26 +0000 (UTC) (envelope-from Alexander@leidinger.net) Received: from mailgate.Leidinger.net (mailgate.leidinger.net [IPv6:2a00:1828:2000:313::1:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Bxljr5Yk6z40Gb for ; Thu, 24 Sep 2020 06:38:24 +0000 (UTC) (envelope-from Alexander@leidinger.net) Received: from outgoing.leidinger.net (p508d59c0.dip0.t-ipconnect.de [80.141.89.192]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (Client did not present a certificate) by mailgate.Leidinger.net (Postfix) with ESMTPSA id BF13D1070; Thu, 24 Sep 2020 08:38:20 +0200 (CEST) Received: from webmail.leidinger.net (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (Client did not present a certificate) by outgoing.leidinger.net (Postfix) with ESMTPS id 38D8C7088; Thu, 24 Sep 2020 08:38:02 +0200 (CEST) Date: Thu, 24 Sep 2020 08:38:01 +0200 Message-ID: <20200924083801.Horde.AFG5vwsVvqadT4ehn1ol2q1@webmail.leidinger.net> From: Alexander Leidinger To: Konstantin Belousov Cc: freebsd-hackers@freebsd.org Subject: Re: RFC: copy_file_range(3) References: <20200923122401.Horde.uXmEqpCzVbCyXTuyukZeRwU@webmail.leidinger.net> <20200923145615.GH2570@kib.kiev.ua> <20200923212135.Horde.KVi_zSxPaGuNqcGzm_Qxani@webmail.leidinger.net> <20200923224308.GK2570@kib.kiev.ua> In-Reply-To: <20200923224308.GK2570@kib.kiev.ua> Accept-Language: de,en Content-Type: multipart/signed; boundary="=_Vy10cXXb7UE2k-OW4Xz6sJN"; protocol="application/pgp-signature"; micalg=pgp-sha1 MIME-Version: 1.0 X-Rspamd-Queue-Id: 4Bxljr5Yk6z40Gb X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.55 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[leidinger.net:s=outgoing-alex]; NEURAL_HAM_MEDIUM(-0.97)[-0.967]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.02)[-1.015]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[leidinger.net:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[leidinger.net,quarantine]; NEURAL_HAM_SHORT(-0.47)[-0.465]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ASN(0.00)[asn:34240, ipnet:2a00:1828::/32, country:DE]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-hackers]; RECEIVED_SPAMHAUS_PBL(0.00)[80.141.89.192:received] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Sep 2020 06:38:26 -0000 This message is in MIME format and has been PGP signed. --=_Vy10cXXb7UE2k-OW4Xz6sJN Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Quoting Konstantin Belousov (from Thu, 24 Sep=20=20 2020=2001:43:08 +0300): > Bypass mean that nullfs forwards the call to corresponding VOP of the > lower vnode. [...] > AFAIR, only NFS client implements non-default implementation for > copy_file_range() VOP. So UFS/ZFS/msdosfs use vn_generic_copy_file_range= (). [...] Great! Thanks for the info / explanation. Bye, Alexander --=20 http://www.Leidinger.net=20Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF --=_Vy10cXXb7UE2k-OW4Xz6sJN Content-Type: application/pgp-signature Content-Description: Digitale PGP-Signatur Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJfbD7JAAoJEBINsJsD+NiG4LkP/inNNfOQ/eNPpTZ8cNLqwBHD 7CtISDHRo+WJZpy0X4S17u/dNV5LsN/u1FVpLQsg9hFgkVBWUhO7Xkp6/cc1abcE mTprJgr7A5Qp7w/r9bH3fCjp2Xc5RdnJHv6urKt0hhz5HE9TNwcVZDxwAO0YkWjt dNCzEz13tOfBNR3UbFOXM//7x7Df+Y46vd6h1H0KmUA3h+K+ojn6V+17d6ti4vjg qNdoieQBJZzlUdosErFDOZygXCC7fEaNb24swYR4J6ZthrmUPOUJCX7eiE/3+uW3 /n8TD81j8QMZvdY57WwLLeVp6Xfu0Ga9V/5G8PVsNsP9m3Ooox15H7n+pW8RKdM7 KN5noBTichU2boQQgfWpMffk1ANZimahY+h6b04lXR7f7PzVesHEYoONUiW7LZm4 DU/8XTLZzkx4KLH5Lk+x3yaqFXz758Aj1RHnEvmUQz3n5wyjsz6APLYzBuozwtbs bGmvLhjtOn/gh85rEMZ0UnZ3Cd7SuTk2cN7rEUEJ54LZhTB5i8bIjUL1ehAHEotn 6DKnlayfgs7Q+VcevwhyYKqOoz4aXu/2FTDTZzD86bh6koFwt5vT5wZclzSVIhPG 3NAOaAhZrHM6jC8mKU1G/WJ7vLM0SauI7dLKrC4YJ/iB1khoKxRSrdqrERwn759u OTNJAipm/MiZ0Yq7eQOk =FpZZ -----END PGP SIGNATURE----- --=_Vy10cXXb7UE2k-OW4Xz6sJN--