From: Theodore Tso Subject: Re: Questions on ext4 and writeback Date: Tue, 18 Aug 2009 12:39:09 -0400 Message-ID: <20090818163909.GD28560@mit.edu> References: <6601abe90908130909v582df37aq773e95f49f4a1248@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: ext4 development To: Curt Wohlgemuth Return-path: Received: from THUNK.ORG ([69.25.196.29]:46651 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750934AbZHRQjQ (ORCPT ); Tue, 18 Aug 2009 12:39:16 -0400 Content-Disposition: inline In-Reply-To: <6601abe90908130909v582df37aq773e95f49f4a1248@mail.gmail.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Thu, Aug 13, 2009 at 09:09:58AM -0700, Curt Wohlgemuth wrote: > But the actual submittal of I/O for the previous extent might cause > pages_skipped to be bumped, right? Removing these increments might cause > the accounting to be incorrect, it seems to me. I don't see where the submission of an extent of pages for I/O would cause page_skipped to be incremented or changed --- am I missing something? - Ted