From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: [PATCH 2/9] dm-mpath, scsi_dh: don't let dm detach device handlers Date: Fri, 1 May 2015 09:58:09 -0400 Message-ID: <20150501135808.GB4810@redhat.com> References: <1430415151-30948-1-git-send-email-hch@lst.de> <1430415151-30948-3-git-send-email-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mx1.redhat.com ([209.132.183.28]:47317 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752828AbbEAN6K (ORCPT ); Fri, 1 May 2015 09:58:10 -0400 Content-Disposition: inline In-Reply-To: <1430415151-30948-3-git-send-email-hch@lst.de> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Christoph Hellwig Cc: linux-scsi@vger.kernel.org, Hannes Reinecke , Mike Christie , "Martin K. Petersen" On Thu, Apr 30 2015 at 1:32pm -0400, Christoph Hellwig wrote: > While allowing dm-mpath to attach device handlers is a functionality we need > for backwards compatibility reason there is no reason to reference count > them and detach them if dm-mpath stops using the device for some reason. > > If the device handler works for the given device it can just stay attached. > > Signed-off-by: Christoph Hellwig Acked-by: Mike Snitzer