From: Theodore Ts'o Subject: Re: [PATCH] ext4: Fix performance regression in writeback of random writes Date: Mon, 16 Sep 2013 08:28:09 -0400 Message-ID: <20130916122809.GA4159@thunk.org> References: <1378842006-15237-1-git-send-email-jack@suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org, Yan Zheng To: Jan Kara Return-path: Received: from imap.thunk.org ([74.207.234.97]:60965 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752173Ab3IPM2M (ORCPT ); Mon, 16 Sep 2013 08:28:12 -0400 Content-Disposition: inline In-Reply-To: <1378842006-15237-1-git-send-email-jack@suse.cz> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, Sep 10, 2013 at 09:40:06PM +0200, Jan Kara wrote: > Linux Kernel Performance project guys have reported that commit 4e7ea81db5 > introduces a performance regression for the following fio workload:... Applied, many thanks to Yan Zheng for finding this performance regression and to Jan for fixing it! - Ted