From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out1-smtp.messagingengine.com ([66.111.4.25]:46499 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932308AbcJUJHT (ORCPT ); Fri, 21 Oct 2016 05:07:19 -0400 Date: Fri, 21 Oct 2016 11:07:25 +0200 From: Greg KH To: Holger =?iso-8859-1?Q?Hoffst=E4tte?= Cc: stable@vger.kernel.org Subject: Re: Fwd: [PATCH] cfq: fix starvation of asynchronous writes Message-ID: <20161021090725.GB18213@kroah.com> References: <1474592399-2790-1-git-send-email-glauber@scylladb.com> <20161021073634.GD22683@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: stable-owner@vger.kernel.org List-ID: On Fri, Oct 21, 2016 at 08:53:17AM +0000, Holger Hoffst�tte wrote: > On Fri, 21 Oct 2016 09:36:34 +0200, Greg KH wrote: > > > On Thu, Oct 20, 2016 at 02:08:50PM -0400, Glauber Costa wrote: > >> subject: [PATCH] cfq: fix starvation of asynchronous writes > >> commit id: 3932a86b4b9d1f0b049d64d4591ce58ad18b44ec > >> why: cfq starvation, easily can easily trigger with O_DIRECT-heavy workloads. > >> versions: all that are maintained, if possible. I have verified it > >> cherry picks cleanly at least until 4.5 > >> reason for not using "CC stable": I just forgot, sorry. > > > > It seems to apply to 4.4 as well, is that ok, or should it not go there? > > FWIW I've had it in 4.4 until recently and it worked just fine. > The corner case that is addressed is generic and seems to have been > there quite a while. Thanks, now applied there as well. greg k-h