From patchwork Mon Aug 23 12:35:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 1519665 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=I3oOCZz6; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4GtWyZ10ypz9sXN for ; Mon, 23 Aug 2021 22:39:18 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236662AbhHWMj7 (ORCPT ); Mon, 23 Aug 2021 08:39:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231476AbhHWMjz (ORCPT ); Mon, 23 Aug 2021 08:39:55 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 00CE3C061575; Mon, 23 Aug 2021 05:39:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=xg5OmsoeQHl0C0xvc3OpoA+4OGNwVNPbjgeIqfQrN10=; b=I3oOCZz6PJ4VfMKrLxQ6YSJ6vt 1KrjioZ599LLasOm8Cq1/Z2z94LD9RybnhG2oxgposyMo6uTO17CXf3l2yAQRGNzEGkIShZTNsA67 29GlFapLqspbRCvEyEKmhsRwwSRAKg+eT1KpmKxSJKl4tHBbSvjYfrSXJVeQSGMrmlz2pYmHSYKUM imI+214+O1ehqMoACL+8/FBDjIdCPp1HbImf+B6ij8vsJ7PUNfpDrvFiLvlug8kNKKEsth0gIfv5z C8XNtolek3RA8EEa02iaaqsH8gRhDn0aE7tP7Fs17raxeFHuYlmI8DQvMnyglL95Eup3u57SQZcru d1v43eKg==; Received: from [2001:4bb8:193:fd10:c6e8:3c08:6f8b:cbf0] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mI9CE-009j6D-Vw; Mon, 23 Aug 2021 12:37:09 +0000 From: Christoph Hellwig To: Dan Williams , Vishal Verma , Dave Jiang Cc: Mike Snitzer , Matthew Wilcox , linux-xfs@vger.kernel.org, nvdimm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org Subject: [PATCH 3/9] dm: use fs_dax_get_by_bdev instead of dax_get_by_host Date: Mon, 23 Aug 2021 14:35:10 +0200 Message-Id: <20210823123516.969486-4-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210823123516.969486-1-hch@lst.de> References: <20210823123516.969486-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org There is no point in trying to finding the dax device if the DAX flag is not set on the queue as none of the users of the device mapper exported block devices could make use of the DAX capability. Signed-off-by: Christoph Hellwig Reviewed-by: Dan Williams --- drivers/md/dm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 2c5f9e585211..465714341300 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -650,7 +650,7 @@ static int open_table_device(struct table_device *td, dev_t dev, } td->dm_dev.bdev = bdev; - td->dm_dev.dax_dev = dax_get_by_host(bdev->bd_disk->disk_name); + td->dm_dev.dax_dev = fs_dax_get_by_bdev(bdev); return 0; }