From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH] vfs: dont chain pipe/anon/socket on superblock s_inodes list Date: Tue, 26 Jul 2011 05:42:04 -0400 Message-ID: <20110726094204.GA12086@infradead.org> References: <20110721204042.GB31405@ZenIV.linux.org.uk> <1311294452.2576.18.camel@schen9-DESK> <20110723132411.GA22183@infradead.org> <1311633550.2576.33.camel@schen9-DESK> <20110725225154.GD22133@ZenIV.linux.org.uk> <1311636178.2576.34.camel@schen9-DESK> <1311660013.2996.6.camel@edumazet-laptop> <1311668466.2355.12.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <20110726090357.GA13013@infradead.org> <1311672994.2355.17.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Christoph Hellwig , Tim Chen , Al Viro , David Miller , Andi Kleen , Matthew Wilcox , Anton Blanchard , npiggin@kernel.dk, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, netdev To: Eric Dumazet Return-path: Received: from 173-166-109-252-newengland.hfc.comcastbusiness.net ([173.166.109.252]:49016 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751369Ab1GZJmK (ORCPT ); Tue, 26 Jul 2011 05:42:10 -0400 Content-Disposition: inline In-Reply-To: <1311672994.2355.17.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Tue, Jul 26, 2011 at 11:36:34AM +0200, Eric Dumazet wrote: > [PATCH v2] vfs: dont chain pipe/anon/socket on superblock s_inodes list > > Workloads using pipes and sockets hit inode_sb_list_lock contention. > > superblock s_inodes list is needed for quota, dirty, pagecache and > fsnotify management. pipe/anon/socket fs are clearly not candidates for > these. > > Signed-off-by: Eric Dumazet Looks good to me, Reviewed-by: Christoph Hellwig