From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031658AbXEHTrQ (ORCPT ); Tue, 8 May 2007 15:47:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1031656AbXEHTrJ (ORCPT ); Tue, 8 May 2007 15:47:09 -0400 Received: from mx1.redhat.com ([66.187.233.31]:49230 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031641AbXEHTq6 (ORCPT ); Tue, 8 May 2007 15:46:58 -0400 Date: Tue, 8 May 2007 20:45:54 +0100 From: Alasdair G Kergon To: Andrew Morton Cc: dm-devel@redhat.com, linux-kernel@vger.kernel.org, Edward Goggin Subject: [2.6.22 PATCH 09/26] dm mpath: log device name Message-ID: <20070508194554.GP24114@agk.fab.redhat.com> Mail-Followup-To: Andrew Morton , dm-devel@redhat.com, linux-kernel@vger.kernel.org, Edward Goggin Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.1i Organization: Red Hat UK Ltd. Registered in England and Wales, number 04098903. Registered Office: Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Edward Goggin Make the mapped device structure accessible to hardware handlers so error messages can include the device name. Signed-off-by: Edward Goggin Signed-off-by: Alasdair G Kergon --- drivers/md/dm-hw-handler.h | 1 + drivers/md/dm-mpath.c | 3 +++ drivers/md/dm.c | 1 + 3 files changed, 5 insertions(+) Index: linux-2.6.21/drivers/md/dm-hw-handler.h =================================================================== --- linux-2.6.21.orig/drivers/md/dm-hw-handler.h 2007-05-01 17:38:32.000000000 +0100 +++ linux-2.6.21/drivers/md/dm-hw-handler.h 2007-05-01 17:40:50.000000000 +0100 @@ -16,6 +16,7 @@ struct hw_handler_type; struct hw_handler { struct hw_handler_type *type; + struct mapped_device *md; void *context; }; Index: linux-2.6.21/drivers/md/dm-mpath.c =================================================================== --- linux-2.6.21.orig/drivers/md/dm-mpath.c 2007-05-01 17:38:32.000000000 +0100 +++ linux-2.6.21/drivers/md/dm-mpath.c 2007-05-01 17:40:50.000000000 +0100 @@ -668,6 +668,9 @@ static int parse_hw_handler(struct arg_s return -EINVAL; } + m->hw_handler.md = dm_table_get_md(ti->table); + dm_put(m->hw_handler.md); + r = hwht->create(&m->hw_handler, hw_argc - 1, as->argv); if (r) { dm_put_hw_handler(hwht); Index: linux-2.6.21/drivers/md/dm.c =================================================================== --- linux-2.6.21.orig/drivers/md/dm.c 2007-05-01 17:38:32.000000000 +0100 +++ linux-2.6.21/drivers/md/dm.c 2007-05-01 17:40:50.000000000 +0100 @@ -1236,6 +1236,7 @@ void dm_put(struct mapped_device *md) free_dev(md); } } +EXPORT_SYMBOL_GPL(dm_put); /* * Process the deferred bios