From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932201AbcLKGdT (ORCPT ); Sun, 11 Dec 2016 01:33:19 -0500 Received: from mga02.intel.com ([134.134.136.20]:35697 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932166AbcLKGdQ (ORCPT ); Sun, 11 Dec 2016 01:33:16 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,331,1477983600"; d="scan'208";a="201288824" Subject: [PATCH 8/8] dax: add debug for region available_size From: Dan Williams To: linux-nvdimm@ml01.01.org Cc: linux-kernel@vger.kernel.org Date: Sat, 10 Dec 2016 22:29:07 -0800 Message-ID: <148143774706.10950.14457441051651852899.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <148143770485.10950.13227732273892953675.stgit@dwillia2-desk3.amr.corp.intel.com> References: <148143770485.10950.13227732273892953675.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: StGit/0.17.1-9-g687f MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add dynamic debug statements to dump the per-dax-dev resource allocations and device offsets. Signed-off-by: Dan Williams --- drivers/dax/dax.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c index b130eff91b83..d1641e69a088 100644 --- a/drivers/dax/dax.c +++ b/drivers/dax/dax.c @@ -97,8 +97,11 @@ static unsigned long long dax_region_avail_size( WARN_ON_ONCE(!mutex_is_locked(&dax_region->lock)); size = resource_size(&dax_region->res); - for_each_dax_region_resource(dax_region, res) + for_each_dax_region_resource(dax_region, res) { + dev_dbg(dax_region->dev, "%s: %pr offset: %lx\n", + res->name, res, res->desc); size -= resource_size(res); + } return size; } @@ -372,6 +375,7 @@ struct dax_region *alloc_dax_region(struct device *parent, int region_id, dax_region->res.name = dev_name(parent); dax_region->res.start = res->start; dax_region->res.end = res->end; + dax_region->res.flags = IORESOURCE_MEM; dax_region->pfn_flags = pfn_flags; mutex_init(&dax_region->lock); kref_init(&dax_region->kref);