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 B6544C433F5 for ; Tue, 31 May 2022 19:17:01 +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=2rItl/F1NMKgVGyD79/zU2Yaz+xj0L1y7TsYse4R1IE=; b=JkaX1XhCgoJP/UuWZ2VmIZB6+t 4QiErEu1+Garc9oUrIBWRW2Xl0Zx45bI/I18Oc+KJiBJCtrp8EEyU85vN/JrdYK3j/tyZedWTs7tA i/NaFwrvArj+6TdZV6I011SI2EXWJ3NqMVsQ6hJJTIaY4d+KMdiEQ0Vmo/CqFLvfQvDutkmXe3gi/ N74uOZtncfpNuVptOuF/WXVmgZwwz7L2BQmGPV+0cNPtg+jpLfVpIn3/rgT0DUKwOcPho5meLR9Z+ t7b+Y17TzrvuU7hDuc/kRlu0jaQJAq56zrGwK67vDSsNlu44bnc8baGtjRaX2jtmLtyMaXfJGAmQ4 vJM63lzw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nw7MP-00CIMj-No; Tue, 31 May 2022 19:16:57 +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 1nw7MN-00CILx-5N for linux-nvme@lists.infradead.org; Tue, 31 May 2022 19:16:56 +0000 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 24VFii1h007242 for ; Tue, 31 May 2022 12:16:54 -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-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 31 May 2022 12:16:54 -0700 Received: from twshared35153.14.frc2.facebook.com (2620:10d:c085:208::f) 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 12:16:53 -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: ieCBh40YIrprBRyyagFOMwqdKu2rre07 X-Proofpoint-ORIG-GUID: ieCBh40YIrprBRyyagFOMwqdKu2rre07 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220531_121655_252803_D9827720 X-CRM114-Status: GOOD ( 13.64 ) 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 --- 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