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 831A6CA0EFF for ; Wed, 27 Aug 2025 23:16:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id: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=7hFNbOuIBqsGv2QPel7+N1e++qFP+tlOsDvP+T3DUXo=; b=W6UWVHAXGRyvHB HWol0bkpnawKORLHZrMKiR6lRPRmiOuzJldaYWpp/dA4SqgfelQ/tfxCMFyuBJHfKrLQYekwV7K5n 4Euxz2JYj0SP2fWZu6O4waIQuEjh973PIlOJ57LhA9OYYH6twChG1db1h15x7URqgPA+A4H4q36s3 aLSnWiwIJWsCgN2tIvsDfZrJuz2nPpr/AKfieGuLM1S0KP/n06f8XvNA6AMOUIK5SOKImuBb/rSoV z7PQs+ihpWNC1iSaD0iVdMOhwLjhjh1efVZGVn0o9K8pyI3wXTVNJ7XvZbAzw++lBzg47GjXahEHj QFLYL+5SePP6jIEOdz1g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1urPN9-0000000HCJn-2kOD; Wed, 27 Aug 2025 23:16:07 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1urOLg-0000000H18O-1IOZ for linux-riscv@lists.infradead.org; Wed, 27 Aug 2025 22:10:33 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1756332631; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KMi10d6QgZutAbGzL3nSBlY7ky4aRhvMewcb8M9EfzA=; b=L3JY/QHaDdiLuAl0xeAqH0ZIQ2x7atxz6mujjewYYLx3Q1WVqZvWTeaZwQs9XJs4CBqUbX LLJDkMrguOv6E1L8KotmgqGKeq0MvJzVS4rrso+c3Y+6zUknznNgLKoq3nFamJIkHKfaAo FAWzNnpWERiBNP3IBaLdJCGljBaGwOc= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-126-Kk9fYkzwMM6MQxKq-D-h2g-1; Wed, 27 Aug 2025 18:10:29 -0400 X-MC-Unique: Kk9fYkzwMM6MQxKq-D-h2g-1 X-Mimecast-MFC-AGG-ID: Kk9fYkzwMM6MQxKq-D-h2g_1756332624 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 0FA831956087; Wed, 27 Aug 2025 22:10:24 +0000 (UTC) Received: from t14s.redhat.com (unknown [10.22.80.195]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id DC4FD30001A1; Wed, 27 Aug 2025 22:10:07 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: David Hildenbrand , Bart Van Assche , "James E.J. Bottomley" , "Martin K. Petersen" , Alexander Potapenko , Andrew Morton , Brendan Jackman , Christoph Lameter , Dennis Zhou , Dmitry Vyukov , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, iommu@lists.linux.dev, io-uring@vger.kernel.org, Jason Gunthorpe , Jens Axboe , Johannes Weiner , John Hubbard , kasan-dev@googlegroups.com, kvm@vger.kernel.org, "Liam R. Howlett" , Linus Torvalds , linux-arm-kernel@axis.com, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-ide@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mips@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, Lorenzo Stoakes , Marco Elver , Marek Szyprowski , Michal Hocko , Mike Rapoport , Muchun Song , netdev@vger.kernel.org, Oscar Salvador , Peter Xu , Robin Murphy , Suren Baghdasaryan , Tejun Heo , virtualization@lists.linux.dev, Vlastimil Babka , wireguard@lists.zx2c4.com, x86@kernel.org, Zi Yan Subject: [PATCH v1 29/36] scsi: scsi_lib: drop nth_page() usage within SG entry Date: Thu, 28 Aug 2025 00:01:33 +0200 Message-ID: <20250827220141.262669-30-david@redhat.com> In-Reply-To: <20250827220141.262669-1-david@redhat.com> References: <20250827220141.262669-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250827_151032_415068_65482A11 X-CRM114-Status: GOOD ( 13.69 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org It's no longer required to use nth_page() when iterating pages within a single SG entry, so let's drop the nth_page() usage. Reviewed-by: Bart Van Assche Cc: "James E.J. Bottomley" Cc: "Martin K. Petersen" Signed-off-by: David Hildenbrand --- drivers/scsi/scsi_lib.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 0c65ecfedfbd6..d7e42293b8645 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -3148,8 +3148,7 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sgl, int sg_count, /* Offset starting from the beginning of first page in this sg-entry */ *offset = *offset - len_complete + sg->offset; - /* Assumption: contiguous pages can be accessed as "page + i" */ - page = nth_page(sg_page(sg), (*offset >> PAGE_SHIFT)); + page = sg_page(sg) + (*offset >> PAGE_SHIFT); *offset &= ~PAGE_MASK; /* Bytes in this sg-entry from *offset to the end of the page */ -- 2.50.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv