From owner-freebsd-fs@freebsd.org Sun Feb 25 10:24:49 2018 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E4C3DF26F20 for ; Sun, 25 Feb 2018 10:24:48 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 6301075480 for ; Sun, 25 Feb 2018 10:24:48 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id w1PAObSR083634 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 25 Feb 2018 12:24:40 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua w1PAObSR083634 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id w1PAObix083633; Sun, 25 Feb 2018 12:24:37 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Sun, 25 Feb 2018 12:24:37 +0200 From: Konstantin Belousov To: Aijaz Baig Cc: freebsd-fs@freebsd.org Subject: Re: Regarding vop_vector Message-ID: <20180225102437.GN94212@kib.kiev.ua> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.3 (2018-01-21) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Feb 2018 10:24:49 -0000 On Sun, Feb 25, 2018 at 07:24:12AM +0530, Aijaz Baig wrote: > Hello > > I am trying to understand how the VFS layer within FreeBSD and I was rather > stumped while trying to find where vop_vector was declared. Upon searching > the internet, realized that an awk script is used to "generate" this like > so: > > /sys/tools/vnode_if.awk /sys/kern/vnode_if.src -q > > So I was wondering if anyone could provide me a (brief would be fine as > well) walk through the memory lane as to why such an 'odd looking' way was > adopted (perhaps it is brilliant but my thick skull is unable to fathom > it's brilliance). > > Keen to hear from you experts out there please! Google for the Ficus project from UCLA.