From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from verein.lst.de ([213.95.11.211]:50665 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752042AbcF1NiN (ORCPT ); Tue, 28 Jun 2016 09:38:13 -0400 Date: Tue, 28 Jun 2016 15:38:11 +0200 From: Christoph Hellwig To: Dave Chinner Cc: Christoph Hellwig , xfs@oss.sgi.com, rpeterso@redhat.com, linux-fsdevel@vger.kernel.org Subject: Re: iomap infrastructure and multipage writes V5 Message-ID: <20160628133811.GA31283@lst.de> References: <1464792297-13185-1-git-send-email-hch@lst.de> <20160628002649.GI12670@dastard> <20160628132839.GA30892@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160628132839.GA30892@lst.de> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Tue, Jun 28, 2016 at 03:28:39PM +0200, Christoph Hellwig wrote: > > generic/224 on my 1p/1GB RAM VM using a 1k lock size filesystem has > > significantly different behaviour once ENOSPC is hit withi this patchset. > > Works fine on my 1k test setup with 4 CPUs and 2GB RAM. 1 CPU and 1GB > RAM runs into the OOM killer, although I haven't checked if that was > the case with the old code as well. I'll look into this more later > today or tomorrow. It was doing fine before my changes - I'm going to investigate what caused the change in behavior.