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 D0EDFC433EF for ; Tue, 31 May 2022 19:16:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346790AbiEaTQ6 (ORCPT ); Tue, 31 May 2022 15:16:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346693AbiEaTQ5 (ORCPT ); Tue, 31 May 2022 15:16:57 -0400 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D1BEE9FEE for ; Tue, 31 May 2022 12:16:55 -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 24VFii1j007242 for ; Tue, 31 May 2022 12:16:55 -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=2rItl/F1NMKgVGyD79/zU2Yaz+xj0L1y7TsYse4R1IE=; b=Y35NhUmzuImRzok8zRj01WmrxFeE40NiIWGBZ2L9BoUQae6h0UdcTqiuUsflBFgtrFYK 8ZOJBEUMGqmdc2cNb3dx1hNQdnmjfg0+cRSGb0R2mUXVCCaBLNEUwrl/fS6usvKRlYWY n7Wt569rco0qj1WFm2WrRGr/zBIMEVmy3qI= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3gcu788jha-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 31 May 2022 12:16:55 -0700 Received: from twshared35153.14.frc2.facebook.com (2620:10d:c085:208::11) by mail.thefacebook.com (2620:10d:c085:11d::4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Tue, 31 May 2022 12:16:54 -0700 Received: by devbig007.nao1.facebook.com (Postfix, from userid 544533) id 0BAF34924B19; Tue, 31 May 2022 12:11:38 -0700 (PDT) From: Keith Busch To: , , CC: , Kernel Team , , , , , , Keith Busch Subject: [PATCHv5 09/11] block: introduce bdev_iter_is_aligned helper Date: Tue, 31 May 2022 12:11:35 -0700 Message-ID: <20220531191137.2291467-10-kbusch@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220531191137.2291467-1-kbusch@fb.com> References: <20220531191137.2291467-1-kbusch@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: UtmAEEgD-We16bbzy7S-dCdDAv8ZKfKk X-Proofpoint-ORIG-GUID: UtmAEEgD-We16bbzy7S-dCdDAv8ZKfKk 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=2022-05-31_07,2022-05-30_03,2022-02-23_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 --- include/linux/blkdev.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 834b981ef01b..583cdeb8895d 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1370,6 +1370,13 @@ static inline unsigned int bdev_dma_alignment(stru= ct block_device *bdev) return queue_dma_alignment(bdev_get_queue(bdev)); } =20 +static inline bool bvev_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