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 04FE6C433F5 for ; Tue, 31 May 2022 19:35:06 +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=faOcvTN3625CjqrjeCHz0BkjmPq+BgAMSxF65DUtUoM=; b=meG4YghUuxw5IbxJxYkBEFHF+Q a2kMd/Rw27jfo9JnaQEzUJ3N/tolg3fZHTFoPUioh0eM4OsZeXV0Ztkp3gqGVlJ8Ee9nl09EjSVqF WRBH3hmoMAJRxNKa9Pi8vW07NRqUHv+EHyt3BXevII7/nV/MaxrctQgd+0A5iZp60EydvL0K5Tqz8 SREgeddsPbXOYjSarPpmIEjBIZPvGMMZaVgSZiTQWbQ03L23YcINce/ITIirU3oeAHx6T5kwlYjA6 zlt7Go2DYSR1YQK9T3zAHpxf7QMfoecv1ioCjMXTaMu+KV/TLRODZyGWuBsfB4xgSigmHutlxu6/7 XVUw7MoQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nw7dv-00CLSl-Cx; Tue, 31 May 2022 19:35:03 +0000 Received: from mx0b-00082601.pphosted.com ([67.231.153.30] helo=mx0a-00082601.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nw7dr-00CLRp-7a for linux-nvme@lists.infradead.org; Tue, 31 May 2022 19:35:02 +0000 Received: from pps.filterd (m0001303.ppops.net [127.0.0.1]) by m0001303.ppops.net (8.17.1.5/8.17.1.5) with ESMTP id 24VFiHZ7013628 for ; Tue, 31 May 2022 12:34:58 -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=faOcvTN3625CjqrjeCHz0BkjmPq+BgAMSxF65DUtUoM=; b=o+Yz1J/lJmFWJxCQC08urvZ/4CXyrNLPg4C8MzGWsS4hd+uDw+QeKJMGdf1dOfzgGppI xScI39G1CWTtqDUOHCM4S/VdGvaHVzHFlrjhKjWUCMPBuZUTq28+NxbrkGn5N64Zcm1e XoEn/bn/CHj2IW6ZUN7dwH+rxrLj+ZN0Fnc= Received: from mail.thefacebook.com ([163.114.132.120]) by m0001303.ppops.net (PPS) with ESMTPS id 3gbfdtg8ut-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 31 May 2022 12:34:58 -0700 Received: from twshared3353.07.ash9.facebook.com (2620:10d:c085:208::f) by mail.thefacebook.com (2620:10d:c085:21d::6) 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 12:34:56 -0700 Received: by devbig007.nao1.facebook.com (Postfix, from userid 544533) id 8D0D34924B0E; Tue, 31 May 2022 12:11:38 -0700 (PDT) From: Keith Busch To: , , CC: , Kernel Team , , , , , , Keith Busch , Johannes Thumshirn Subject: [PATCHv5 04/11] block: introduce bdev_dma_alignment helper Date: Tue, 31 May 2022 12:11:30 -0700 Message-ID: <20220531191137.2291467-5-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-ORIG-GUID: EmTCdSndEwqExX3e2bKh31ehcWvUaOoy X-Proofpoint-GUID: EmTCdSndEwqExX3e2bKh31ehcWvUaOoy 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_123459_431732_AE12947E X-CRM114-Status: GOOD ( 14.64 ) 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 Preparing for upcoming dma_alignment users that have a block_device, but don't need the request_queue. Signed-off-by: Keith Busch Reviewed-by: Johannes Thumshirn Reviewed-by: Christoph Hellwig --- include/linux/blkdev.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 5bdf2ac9142c..834b981ef01b 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1365,6 +1365,11 @@ static inline int queue_dma_alignment(const struct= request_queue *q) return q ? q->dma_alignment : 511; } =20 +static inline unsigned int bdev_dma_alignment(struct block_device *bdev) +{ + return queue_dma_alignment(bdev_get_queue(bdev)); +} + static inline int blk_rq_aligned(struct request_queue *q, unsigned long = addr, unsigned int len) { --=20 2.30.2