From owner-svn-src-all@freebsd.org Tue Sep 6 21:47:50 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9A05FBCD9DE; Tue, 6 Sep 2016 21:47:50 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citapm.icyb.net.ua (citapm.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id B652B903; Tue, 6 Sep 2016 21:47:48 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citapm.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id AAA27097; Wed, 07 Sep 2016 00:47:40 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1bhODU-000LpB-PE; Wed, 07 Sep 2016 00:47:40 +0300 Subject: Re: svn commit: r305504 - head/sys/fs/nullfs To: Mateusz Guzik , src-committers@FreeBSD.org, svn-src-all@FreeBSD.org, svn-src-head@FreeBSD.org References: <201609062122.u86LM3hf032522@repo.freebsd.org> Cc: Konstantin Belousov From: Andriy Gapon Message-ID: Date: Wed, 7 Sep 2016 00:46:44 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <201609062122.u86LM3hf032522@repo.freebsd.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Sep 2016 21:47:50 -0000 On 07/09/2016 00:22, Mateusz Guzik wrote: > nullfs: stop special-casing directories in null_vptocnp > > The previous code was forcing an expensive walk in vop_stdvptocnp, > which was causing performance issues on highly contended zfs. In other words, the name cache was always bypassed for directories? -- Andriy Gapon