From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A74E5C47084 for ; Tue, 25 May 2021 17:24:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8CEA861417 for ; Tue, 25 May 2021 17:24:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233824AbhEYR0R (ORCPT ); Tue, 25 May 2021 13:26:17 -0400 Received: from mga03.intel.com ([134.134.136.65]:9404 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233852AbhEYR0Q (ORCPT ); Tue, 25 May 2021 13:26:16 -0400 IronPort-SDR: T4J9M3K8ez9XlBmhz8UYK0JfdQw1kV8H4R5TI5DiSWm4YLZ130kxwzgpobp6DjHsVxX7JB39Ye Kug+r8syaVRw== X-IronPort-AV: E=McAfee;i="6200,9189,9995"; a="202288198" X-IronPort-AV: E=Sophos;i="5.82,328,1613462400"; d="scan'208";a="202288198" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 May 2021 10:24:32 -0700 IronPort-SDR: iTg7kWfPtWs9sWulBMt5sNbz3FIReiZmGS+ArfHxfJGzKJ5yq+zmb6tNwOwraCEALNJrKnbBck x13LZednWADA== X-IronPort-AV: E=Sophos;i="5.82,328,1613462400"; d="scan'208";a="633105443" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 May 2021 10:24:32 -0700 From: ira.weiny@intel.com To: Dan Williams Cc: Ira Weiny , Vishal Verma , linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 2/3] fs/dax: Clarify nr_pages to dax_direct_access() Date: Tue, 25 May 2021 10:24:27 -0700 Message-Id: <20210525172428.3634316-3-ira.weiny@intel.com> X-Mailer: git-send-email 2.28.0.rc0.12.gb6a658bd00c9 In-Reply-To: <20210525172428.3634316-1-ira.weiny@intel.com> References: <20210525172428.3634316-1-ira.weiny@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org From: Ira Weiny dax_direct_access() takes a number of pages. PHYS_PFN(PAGE_SIZE) is a very round about way to specify '1'. Change the nr_pages parameter to the explicit value of '1'. Reviewed-by: Dan Williams Signed-off-by: Ira Weiny --- fs/dax.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/dax.c b/fs/dax.c index b3d27fdc6775..07621322aeee 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -710,7 +710,7 @@ static int copy_cow_page_dax(struct block_device *bdev, struct dax_device *dax_d return rc; id = dax_read_lock(); - rc = dax_direct_access(dax_dev, pgoff, PHYS_PFN(PAGE_SIZE), &kaddr, NULL); + rc = dax_direct_access(dax_dev, pgoff, 1, &kaddr, NULL); if (rc < 0) { dax_read_unlock(id); return rc; -- 2.28.0.rc0.12.gb6a658bd00c9