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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FEE0C433EF for ; Fri, 10 Jun 2022 20:10:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347077AbiFJUKP (ORCPT ); Fri, 10 Jun 2022 16:10:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347094AbiFJUKN (ORCPT ); Fri, 10 Jun 2022 16:10:13 -0400 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 654FC666A5 for ; Fri, 10 Jun 2022 13:10:10 -0700 (PDT) Received: from pps.filterd (m0044012.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 25AIB3ol031875 for ; Fri, 10 Jun 2022 13:10:10 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=dywOri+/cY1xPB0YNJx6g470GDKJiIgQUSlE0U+ycFg=; b=FN15DiGAcxYLaVcAAl0WunUuMNYlPCsVNqnyh1Apm38KQVujBdl9cP5dj7LskcHJE4mc uAs7i+kyiPu5FiGP1mbAvtbCAZQSFu3uSgwDaAeLO8GsKCR3UeaDJ39sdJomscE2UVLv l7VbT41oOvLtzJDzXvxQ1sRh9hyiHfMYRbs= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3gmb0s8pq3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 10 Jun 2022 13:10:10 -0700 Received: from twshared14577.08.ash8.facebook.com (2620:10d:c085:108::8) by mail.thefacebook.com (2620:10d:c085:21d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Fri, 10 Jun 2022 13:10:09 -0700 Received: by devbig007.nao1.facebook.com (Postfix, from userid 544533) id 2C2244E9D6A9; Fri, 10 Jun 2022 12:58:31 -0700 (PDT) From: Keith Busch To: , , CC: , Kernel Team , , , , , , Keith Busch Subject: [PATCHv6 09/11] block: introduce bdev_iter_is_aligned helper Date: Fri, 10 Jun 2022 12:58:28 -0700 Message-ID: <20220610195830.3574005-10-kbusch@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220610195830.3574005-1-kbusch@fb.com> References: <20220610195830.3574005-1-kbusch@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: v9pXwPqdYCqWf_xb0MaAP1gfpWsh6G5A X-Proofpoint-ORIG-GUID: v9pXwPqdYCqWf_xb0MaAP1gfpWsh6G5A X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.517,FMLib:17.11.64.514 definitions=2022-06-10_08,2022-06-09_02,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org From: Keith Busch Provide a convenient function for this repeatable coding pattern. Signed-off-by: Keith Busch Reviewed-by: Christoph Hellwig --- include/linux/blkdev.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ab7e6aa17954..fb5c177708d5 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1371,6 +1371,13 @@ static inline unsigned int bdev_dma_alignment(stru= ct block_device *bdev) return queue_dma_alignment(bdev_get_queue(bdev)); } =20 +static inline bool bdev_iter_is_aligned(struct block_device *bdev, + struct iov_iter *iter) +{ + return iov_iter_is_aligned(iter, bdev_dma_alignment(bdev), + bdev_logical_block_size(bdev) - 1); +} + static inline int blk_rq_aligned(struct request_queue *q, unsigned long = addr, unsigned int len) { --=20 2.30.2