From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Lameter Subject: Re: [patch 10/21] buffer heads: Support slab defrag Date: Tue, 20 May 2008 18:56:09 -0700 (PDT) Message-ID: References: <20080512002403.GP103491721@sgi.com> <20080515231045.GY155679365@sgi.com> <20080519054554.GY103491721@sgi.com> <20080520002503.GC173056135@sgi.com> <20080520065622.GA13968@2ka.mipt.ru> <20080520214617.GU103491721@sgi.com> <20080520222505.GA23988@2ka.mipt.ru> <20080520232256.GA16105@2ka.mipt.ru> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: David Chinner , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Mel Gorman , andi@firstfloor.org, Rik van Riel , Pekka Enberg , mpm@selenic.com To: Evgeniy Polyakov Return-path: In-Reply-To: <20080520232256.GA16105@2ka.mipt.ru> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Wed, 21 May 2008, Evgeniy Polyakov wrote: > Cristoph, is this example you wnated to check out? It will only try to > write .nr_to_write pages between .range_start and .range_end without > syncing inode info itself. Well that is what Dave wants. I'd rather go the safe route for now and defer this until later. I think you are much more an expert on the filesystems and I/O paths than I am. So I'd rather take my hands of as soon as possible.