From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail105.syd.optusnet.com.au ([211.29.132.249]:60136 "EHLO mail105.syd.optusnet.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726026AbfDYWpI (ORCPT ); Thu, 25 Apr 2019 18:45:08 -0400 Date: Fri, 26 Apr 2019 08:45:04 +1000 From: Dave Chinner Subject: Re: [PATCH 3/5] xfs: allow scrubbers to pause background reclaim Message-ID: <20190425224504.GD29573@dread.disaster.area> References: <155563325882.112668.3605935077532891922.stgit@magnolia> <155563327720.112668.11514675530007162880.stgit@magnolia> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <155563327720.112668.11514675530007162880.stgit@magnolia> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: "Darrick J. Wong" Cc: linux-xfs@vger.kernel.org On Thu, Apr 18, 2019 at 05:21:17PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong > > The forthcoming summary counter patch races with regular filesystem > activity to compute rough expected values for the counters. This design > was chosen to avoid having to freeze the entire filesystem to check the > counters, but while that's running we'd prefer to minimize background > reclamation activity to reduce the perturbations to the incore free > block count. Therefore, provide a way for scrubbers to disable > background posteof and cowblock reclamation. > > Signed-off-by: Darrick J. Wong LGTM. Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com