From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 E9C0035E4D8 for ; Mon, 1 Sep 2025 15:11:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756739471; cv=none; b=S2D8DdIVI/w+7j/cE6RuG1+sR5nBM3gKLT3UEejCp8ugLLu/+9nKS8O53qE7afCXqP4Zy3nAmn04BIMNXEtjvPPpuusSNY1QEmSBkA34oQ38tXey8peDbrrd8ZmQYdBmILAxSKPUbSOuPuXrRUH/RabLb6szY88ysrm1J+z1nHg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756739471; c=relaxed/simple; bh=m4oAd2rqHUSdthDOF5mVXkkuG4XhevcBLpl3vyimFbM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DAMMI67POohihPfSaaDm8rjRolq31GP5u/4o6p0zyBKwApBU7arNntxnk9unoRWrsn13aFHZ+AC/qglxLu8eJmOxssFMcrK/4od5beU7TuGFNsPRrRcrd3IX/u8J5QDrW8vBDjvj75G72DiGtQ1btBQK2QLjYCajCB6TLQ6dDVQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=QvHyoiwb; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="QvHyoiwb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1756739469; 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=XXIrQPK2KTSHTm5n0r+eAcK1OeXNu/U6cGKCJgmF5aw=; b=QvHyoiwbmHGINxCIZUb4FePvIt0Xz6wT6BVFFRrdIrYBDTyFq9h8G9jXofGh6QmZC1OCHJ 9+Oh6kK4LpPCUAjvpbxDN3Vo74bxZKNUd7nE3hg0ZNzRkW34d6HoFVgbbdVmtaYIMXtt1y DPjv1WjXFzKVfTjIHhleidoPvEpqkqU= Received: from mx-prod-mc-04.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-80-VJeTZUpaN-Gpu0-I1j8nww-1; Mon, 01 Sep 2025 11:11:05 -0400 X-MC-Unique: VJeTZUpaN-Gpu0-I1j8nww-1 X-Mimecast-MFC-AGG-ID: VJeTZUpaN-Gpu0-I1j8nww_1756739460 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (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-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 389871955F27; Mon, 1 Sep 2025 15:11:00 +0000 (UTC) Received: from t14s.fritz.box (unknown [10.22.88.45]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 0AAD418003FC; Mon, 1 Sep 2025 15:10:44 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: David Hildenbrand , Damien Le Moal , Lorenzo Stoakes , Niklas Cassel , 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, 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 v2 25/37] ata: libata-sff: drop nth_page() usage within SG entry Date: Mon, 1 Sep 2025 17:03:46 +0200 Message-ID: <20250901150359.867252-26-david@redhat.com> In-Reply-To: <20250901150359.867252-1-david@redhat.com> References: <20250901150359.867252-1-david@redhat.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 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. Acked-by: Damien Le Moal Reviewed-by: Lorenzo Stoakes Cc: Niklas Cassel Signed-off-by: David Hildenbrand --- drivers/ata/libata-sff.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 7fc407255eb46..1e2a2c33cdc80 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -614,7 +614,7 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) offset = qc->cursg->offset + qc->cursg_ofs; /* get the current page and offset */ - page = nth_page(page, (offset >> PAGE_SHIFT)); + page += offset >> PAGE_SHIFT; offset %= PAGE_SIZE; /* don't overrun current sg */ @@ -631,7 +631,7 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) unsigned int split_len = PAGE_SIZE - offset; ata_pio_xfer(qc, page, offset, split_len); - ata_pio_xfer(qc, nth_page(page, 1), 0, count - split_len); + ata_pio_xfer(qc, page + 1, 0, count - split_len); } else { ata_pio_xfer(qc, page, offset, count); } @@ -751,7 +751,7 @@ static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes) offset = sg->offset + qc->cursg_ofs; /* get the current page and offset */ - page = nth_page(page, (offset >> PAGE_SHIFT)); + page += offset >> PAGE_SHIFT; offset %= PAGE_SIZE; /* don't overrun current sg */ -- 2.50.1