From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761158Ab2C3UzP (ORCPT ); Fri, 30 Mar 2012 16:55:15 -0400 Received: from mga14.intel.com ([143.182.124.37]:17829 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757036Ab2C3UzM (ORCPT ); Fri, 30 Mar 2012 16:55:12 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="125389892" From: Andi Kleen To: Linus Torvalds Cc: "Theodore Ts'o" , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, Jan Kara , Fengguang Wu Subject: Re: GIT PULL] ext4 updates for 3.4 References: Date: Fri, 30 Mar 2012 13:54:17 -0700 In-Reply-To: (Linus Torvalds's message of "Wed, 28 Mar 2012 16:36:23 -0700") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus Torvalds writes: > On Mon, Mar 26, 2012 at 11:07 AM, Theodore Ts'o wrote: >> >> Ext4 commits for 3.3 merge window; mostly cleanups and bug fixes > > Ted, is there any chance that the dirty handling (or something else) > has some serious latency bug? There's at least a serious scalability bug. That new extent cache statistic count in the super block is showing up badly on IO profiles on larger systems. -Andi -- ak@linux.intel.com -- Speaking for myself only