From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kiyoshi Ueda Subject: Re: [PATCH 0/8] dm: request-based dm-multipath Date: Thu, 29 Jan 2009 16:18:59 +0900 Message-ID: <49815863.8040806@ct.jp.nec.com> References: <20081003.110825.74754936.k-ueda@ct.jp.nec.com> <20090128154019.GB23158@agk.fab.redhat.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20090128154019.GB23158@agk.fab.redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Alasdair Kergon Cc: dm-devel@redhat.com, mbroz@redhat.com List-Id: dm-devel.ids Hi Alasdair, On 01/29/2009 12:40 AM +0900, Alasdair G Kergon wrote: > On Fri, Oct 03, 2008 at 11:08:25AM -0400, Kiyoshi Ueda wrote: >> This patch-set is the updated version of request-based dm-multipath. >> The changes from the previous version (*) are to follow up the change >> of the interface to export lld's busy state (PATCH 5). > > I've fixed them up to compile again, but haven't thoroughly checked for > side-effects. I found some problems below in my patches and now considering how to fix them: o Unnecessary EIO is returned to application if it submits a bio during table swapping. o kernel panic occurs by frequent table swapping during heavy I/Os. I'll post the fixed version after my vacation. Thanks, Kiyoshi Ueda