From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Justin T. Gibbs" Subject: Re: Warning - running *really* short on DMA buffers while doing file transfers Date: Fri, 27 Sep 2002 11:20:30 -0600 Sender: linux-kernel-owner@vger.kernel.org Message-ID: <2484506224.1033147230@aslan.btc.adaptec.com> References: <389902704.1033133455@aslan.scsiguy.com> <20020927153751.GH23468@suse.de> Reply-To: "Justin T. Gibbs" Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20020927153751.GH23468@suse.de> Content-Disposition: inline To: Jens Axboe , Matthew Jacob Cc: "Pedro M. Rodrigues" , Mathieu Chouquet-Stringer , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-scsi@vger.kernel.org > I'm now saying for the 3rd time, that there's zero problem in having a > huge dirty cache backlog. This is not the problem, please disregard any > reference to that. Count only the time spent for servicing a read > request, _from when it enters the drive_ and until it completes. IO > scheduler is _not_ involved. On the drive? That's all I've been saying. -- Justin