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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5D4A6CCA47D for ; Fri, 10 Jun 2022 20:10:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=dywOri+/cY1xPB0YNJx6g470GDKJiIgQUSlE0U+ycFg=; b=VSgHzq+ulFP/wUWUO+KAR92ntM sI9m94rawqMkQQ2NywzxUODI/MRnsxBraRnQrHML7um70fekKw7jy41QfZZ73Hfgb75s9KW7m0Hbr fGfDHlaTQh3boH6JmBo4DMgZBC0Ws74B0maGsnkO7IeXKQQUXYIu83VVI6zs2EC+rxKJ+IiMjY08P uLZBNhJhH8VCf+Mk59Hj2NrjqDhukynyk11ql7gYC9STjFs+FFRZn6uk6xZQRtIgv3Y+Y07R4TVPK 3mCY8PpNJzVU+HVH0hSsqq5+D6UJbyAXNKSnyY1d+SCHAea11G3vyVTnooc+12v4lpW2SDyDLH+F/ miwyQiYA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzkxR-009ei5-Ip; Fri, 10 Jun 2022 20:10:13 +0000 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzkxO-009ehh-Vd for linux-nvme@lists.infradead.org; Fri, 10 Jun 2022 20:10:12 +0000 Received: from pps.filterd (m0109333.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 25AHONCS003687 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 3gmab0h601-2 (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:c085:11d::4) 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-ORIG-GUID: OZpmP2EngUKF94tLSZ_L19oIrnWhE43a X-Proofpoint-GUID: OZpmP2EngUKF94tLSZ_L19oIrnWhE43a 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220610_131011_067194_A1696F86 X-CRM114-Status: GOOD ( 13.79 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.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