From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CFB962376FC for ; Fri, 1 Aug 2025 23:47:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.145.42 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754092079; cv=none; b=LmMQITvjbBrKD/2NssRs9ueZKSQ1iDlmCrJ3wPIIc5tv24/jMol/U5easaiWSwAdyze3Co2O21j5SYIuV4SmHiIFnK7f++ViAIpuybOTfuL66eYNGUbk9FezdYD2hxt2juA/Ry4wdG+k+Sty2f/Ng01ofvS45iPU+7XheNqdGQU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754092079; c=relaxed/simple; bh=OMeezIS6H4pb0DAO1sPwLmLYxQE9W3UpuZAe54uaBm8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=VYqFIQcUPXaOZ1LGXbv2+THX14Hw7uJq56xjerfad/zdUR/uuhtOTIZAtpk2ytfdtaOedxk9XeE2JMkAsQF91ZOxInZOJqbaRO339DUWyg7Y1U5rCNtTGboZLi1HiPndvXbQSIvS3mQOlXDrHhqg6CiebrxD+fc7blafyno4fbs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=meta.com; spf=pass smtp.mailfrom=meta.com; dkim=pass (2048-bit key) header.d=meta.com header.i=@meta.com header.b=Zxl0xZSa; arc=none smtp.client-ip=67.231.145.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=meta.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=meta.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=meta.com header.i=@meta.com header.b="Zxl0xZSa" Received: from pps.filterd (m0109333.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 571MqFEM027978 for ; Fri, 1 Aug 2025 16:47:57 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=meta.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=s2048-2025-q2; bh=pnnkPBGQ0gRBLybx/TION3BTRcap0tbm0RMeiLyF+rc=; b=Zxl0xZSaUwtj aBOHhx32Oa8mYi4FkV+U3tNqJj36xQOgeLkrCxjO1iZY3cl+cFiwC8ShlJ0gE3H5 yj9G5yp3uVPHxvOSTLtrUIga7E1JljZJOwAUHfSfKpqYQNMPImidO3lartdHxaKv i1kWYO1PGA3tvkVPPvzPZNaFvBIQvYSSiaGtYdmF6Fari8NvVkdwXqTIISeWlOkT F3/ckY4e8N2Z4r24yLl6qzWNqaaSywTY6q0k+zerMLgP4kJbvqbYnlSZNemnEjJC BOZBgaAaDmqafvDyLKrlbBHdO41WHbU8yRKWkqZBbAz/zYrA/dMsEgcPLZDxnnkJ v+GwUkIbVA== Received: from maileast.thefacebook.com ([163.114.135.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 489286t1ts-7 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 01 Aug 2025 16:47:57 -0700 (PDT) Received: from twshared31684.07.ash9.facebook.com (2620:10d:c0a8:1b::8e35) by mail.thefacebook.com (2620:10d:c0a9:6f::237c) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.17; Fri, 1 Aug 2025 23:47:50 +0000 Received: by devbig197.nha3.facebook.com (Postfix, from userid 544533) id C96753105F6; Fri, 1 Aug 2025 16:47:36 -0700 (PDT) From: Keith Busch To: , , CC: , , , , Keith Busch Subject: [PATCH 6/7] blk-integrity: use simpler alignment check Date: Fri, 1 Aug 2025 16:47:35 -0700 Message-ID: <20250801234736.1913170-7-kbusch@meta.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20250801234736.1913170-1-kbusch@meta.com> References: <20250801234736.1913170-1-kbusch@meta.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODAxMDE5MyBTYWx0ZWRfX6OcUKDrGUW2u CwSX/fGrKZ5NcAPaVRscFXwR35DAuRs62TTirIo+PJyvKnKge8rHADn5dSIfUwyOnUSKfD2T7qw k3bqkH3AFlcNN0jNkCjumqJIJUvKWs2n2IAZrJDAcbrsXd68UWRAPIYQdyVlslziLzh4PPOIOSd NAymrfKQoZaQshhAtc73Evwy/7lvKQlOR+n1bs8PL9CiEKhLwl84bvqmd+PIp5X+frOinkcPt0a fxcupr5Y1brtTyvBqAndkLf9uH9N2gV3N3t7SVKs843Q/nDbQKOXNvH6jPo/LZ+8UFhZQbWrDF5 c+CqsID2/CezIkDAjv/z/wJaOy7pZ1greK5Qtbo2w1qinP4/cMyH3sPFoLlBiY/zIxHB/VFTCv9 /RSAP2CrJ6+I5yykI4JDwBnAgZ5ZfxrLGGL8VNkm+1LtTNzkknAavux73aLSCYvk/NVD7WcT X-Authority-Analysis: v=2.4 cv=ANL1oDcN c=1 sm=1 tr=0 ts=688d522d cx=c_pps a=MfjaFnPeirRr97d5FC5oHw==:117 a=MfjaFnPeirRr97d5FC5oHw==:17 a=2OwXVqhp2XgA:10 a=VwQbUJbxAAAA:8 a=yetF5jY7WHH6jeiS1L0A:9 X-Proofpoint-GUID: ZdJTLSCx70yby1zmgIpHAxb9eq1vGg3C X-Proofpoint-ORIG-GUID: ZdJTLSCx70yby1zmgIpHAxb9eq1vGg3C X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-01_08,2025-08-01_01,2025-03-28_01 From: Keith Busch We're checking length and addresses against the same alignment value, so use the more simple iterator check. Signed-off-by: Keith Busch --- block/bio-integrity.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 6b077ca937f6b..6d069a49b4aad 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -262,7 +262,6 @@ static unsigned int bvec_from_pages(struct bio_vec *b= vec, struct page **pages, int bio_integrity_map_user(struct bio *bio, struct iov_iter *iter) { struct request_queue *q =3D bdev_get_queue(bio->bi_bdev); - unsigned int align =3D blk_lim_dma_alignment_and_pad(&q->limits); struct page *stack_pages[UIO_FASTIOV], **pages =3D stack_pages; struct bio_vec stack_vec[UIO_FASTIOV], *bvec =3D stack_vec; size_t offset, bytes =3D iter->count; @@ -285,7 +284,8 @@ int bio_integrity_map_user(struct bio *bio, struct io= v_iter *iter) pages =3D NULL; } =20 - copy =3D !iov_iter_is_aligned(iter, align, align); + copy =3D iov_iter_alignment(iter) & + blk_lim_dma_alignment_and_pad(&q->limits); ret =3D iov_iter_extract_pages(iter, &pages, bytes, nr_vecs, 0, &offset= ); if (unlikely(ret < 0)) goto free_bvec; --=20 2.47.3