From patchwork Wed Jun 5 19:08:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10977529 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CACC71398 for ; Wed, 5 Jun 2019 19:09:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C0B0028787 for ; Wed, 5 Jun 2019 19:09:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BEA5028830; Wed, 5 Jun 2019 19:09:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6CAEE2884E for ; Wed, 5 Jun 2019 19:09:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726656AbfFETJM (ORCPT ); Wed, 5 Jun 2019 15:09:12 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:45138 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726752AbfFETJA (ORCPT ); Wed, 5 Jun 2019 15:09:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Q4TbxoiujTGLtL40me7CIHzcsjwa9bU5PcQWV6JWtc8=; b=p6L9DWWUBAdWW1rd75RHaZf5Wz o1NB2vy0nvkTLGgx7Z3C0KGh5vDV2+h92cf5+rr1usphixujK/BMgqurLiMDj0iPqoj8XM/VF0YP9 ansQmzszjOCrsFuBG3rTIcs/QaCDWLlSIqiG3JPxDFBLvMNsipRo1c5UuIgbkGkVW6H/ObN5vk/Bw TA3dkCZj+vuslbH+gTS8hZxozDYskw1GB4c57p8jEYzq4+OVoD4f+fi58JtjMlgW/2sc+TsRi7Km8 GX3hTEIAzoW+55WlEay40s0EE1Llf4e8FJIa2Zt6CepJt6QxzjWhdhfvn6550UCGQyQAds8sVXiN0 Z48CP2ag==; Received: from 089144193064.atnat0002.highway.a1.net ([89.144.193.64] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hYbHG-0005KB-0r; Wed, 05 Jun 2019 19:08:50 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Sebastian Ott , Sagi Grimberg , Max Gurtovoy , Bart Van Assche , Ulf Hansson , Alan Stern , Oliver Neukum , linux-block@vger.kernel.org, linux-rdma@vger.kernel.org, linux-mmc@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, megaraidlinux.pdl@broadcom.com, MPT-FusionLinux.pdl@broadcom.com, linux-hyperv@vger.kernel.org, linux-usb@vger.kernel.org, usb-storage@lists.one-eyed-alien.net, linux-kernel@vger.kernel.org Subject: [PATCH 03/13] mtip32xx: also set max_segment_size in the device Date: Wed, 5 Jun 2019 21:08:26 +0200 Message-Id: <20190605190836.32354-4-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190605190836.32354-1-hch@lst.de> References: <20190605190836.32354-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP If we only set the max_segment_size on the queue an IOMMU merge might create bigger segments again, so limit the IOMMU merges as well. Signed-off-by: Christoph Hellwig --- drivers/block/mtip32xx/mtip32xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index bacfdac7161c..a14b09ab3a41 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3676,6 +3676,7 @@ static int mtip_block_initialize(struct driver_data *dd) blk_queue_physical_block_size(dd->queue, 4096); blk_queue_max_hw_sectors(dd->queue, 0xffff); blk_queue_max_segment_size(dd->queue, 0x400000); + dma_set_max_seg_size(&dd->pdev->dev, 0x400000); blk_queue_io_min(dd->queue, 4096); /* Set the capacity of the device in 512 byte sectors. */