From patchwork Fri Jul 9 08:10:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Lei X-Patchwork-Id: 472186 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B685BC07E99 for ; Fri, 9 Jul 2021 08:11:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 985CC613C7 for ; Fri, 9 Jul 2021 08:11:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231516AbhGIIOR (ORCPT ); Fri, 9 Jul 2021 04:14:17 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:33700 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231477AbhGIIOQ (ORCPT ); Fri, 9 Jul 2021 04:14:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1625818293; 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=uAae/n/zle4IpDOSCa7FGlf3dZkUVsBnDfub+cgN0WQ=; b=V0b9S0tJy8WoWywNmXQrbUCV+V5ymP2z3AcO+Hq+lkBJ4eGQAwSdyLgW4Ot/9Cqeo+3CrD eqiPgEQComusZmV2JsqokpSYll8lv+NlTzmKJ1q3JPIxIVuBCMUa3YTrQosmNKEkUt/om3 iscs9EhMTbZ/K2qXjRIhsxaG26t4/Ek= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-58-DXw8UBVePIamzHzY9TYfDg-1; Fri, 09 Jul 2021 04:11:32 -0400 X-MC-Unique: DXw8UBVePIamzHzY9TYfDg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 18847A40C0; Fri, 9 Jul 2021 08:11:30 +0000 (UTC) Received: from localhost (ovpn-13-13.pek2.redhat.com [10.72.13.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9CF5260C04; Fri, 9 Jul 2021 08:11:24 +0000 (UTC) From: Ming Lei To: Jens Axboe , Christoph Hellwig , "Martin K . Petersen" , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org Cc: Sagi Grimberg , Daniel Wagner , Wen Xiong , John Garry , Hannes Reinecke , Keith Busch , Damien Le Moal , Ming Lei Subject: [PATCH V3 09/10] blk-mq: remove map queue helpers for pci, rdma and virtio Date: Fri, 9 Jul 2021 16:10:04 +0800 Message-Id: <20210709081005.421340-10-ming.lei@redhat.com> In-Reply-To: <20210709081005.421340-1-ming.lei@redhat.com> References: <20210709081005.421340-1-ming.lei@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Now we have switched to blk_mq_dev_map_queues(), so remove these helpers and source files. Signed-off-by: Ming Lei --- block/Makefile | 3 --- block/blk-mq-pci.c | 48 ------------------------------------------- block/blk-mq-rdma.c | 44 --------------------------------------- block/blk-mq-virtio.c | 46 ----------------------------------------- 4 files changed, 141 deletions(-) delete mode 100644 block/blk-mq-pci.c delete mode 100644 block/blk-mq-rdma.c delete mode 100644 block/blk-mq-virtio.c diff --git a/block/Makefile b/block/Makefile index 0f31c7e8a475..9437518a16ae 100644 --- a/block/Makefile +++ b/block/Makefile @@ -31,9 +31,6 @@ obj-$(CONFIG_IOSCHED_BFQ) += bfq.o obj-$(CONFIG_BLK_CMDLINE_PARSER) += cmdline-parser.o obj-$(CONFIG_BLK_DEV_INTEGRITY) += bio-integrity.o blk-integrity.o obj-$(CONFIG_BLK_DEV_INTEGRITY_T10) += t10-pi.o -obj-$(CONFIG_BLK_MQ_PCI) += blk-mq-pci.o -obj-$(CONFIG_BLK_MQ_VIRTIO) += blk-mq-virtio.o -obj-$(CONFIG_BLK_MQ_RDMA) += blk-mq-rdma.o obj-$(CONFIG_BLK_DEV_ZONED) += blk-zoned.o obj-$(CONFIG_BLK_WBT) += blk-wbt.o obj-$(CONFIG_BLK_DEBUG_FS) += blk-mq-debugfs.o diff --git a/block/blk-mq-pci.c b/block/blk-mq-pci.c deleted file mode 100644 index b595a94c4d16..000000000000 --- a/block/blk-mq-pci.c +++ /dev/null @@ -1,48 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2016 Christoph Hellwig. - */ -#include -#include -#include -#include -#include -#include - -#include "blk-mq.h" - -/** - * blk_mq_pci_map_queues - provide a default queue mapping for PCI device - * @qmap: CPU to hardware queue map. - * @pdev: PCI device associated with @set. - * @offset: Offset to use for the pci irq vector - * - * This function assumes the PCI device @pdev has at least as many available - * interrupt vectors as @set has queues. It will then query the vector - * corresponding to each queue for it's affinity mask and built queue mapping - * that maps a queue to the CPUs that have irq affinity for the corresponding - * vector. - */ -int blk_mq_pci_map_queues(struct blk_mq_queue_map *qmap, struct pci_dev *pdev, - int offset) -{ - const struct cpumask *mask; - unsigned int queue, cpu; - - for (queue = 0; queue < qmap->nr_queues; queue++) { - mask = pci_irq_get_affinity(pdev, queue + offset); - if (!mask) - goto fallback; - - for_each_cpu(cpu, mask) - qmap->mq_map[cpu] = qmap->queue_offset + queue; - } - - return 0; - -fallback: - WARN_ON_ONCE(qmap->nr_queues > 1); - blk_mq_clear_mq_map(qmap); - return 0; -} -EXPORT_SYMBOL_GPL(blk_mq_pci_map_queues); diff --git a/block/blk-mq-rdma.c b/block/blk-mq-rdma.c deleted file mode 100644 index 14f968e58b8f..000000000000 --- a/block/blk-mq-rdma.c +++ /dev/null @@ -1,44 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2017 Sagi Grimberg. - */ -#include -#include -#include - -/** - * blk_mq_rdma_map_queues - provide a default queue mapping for rdma device - * @map: CPU to hardware queue map. - * @dev: rdma device to provide a mapping for. - * @first_vec: first interrupt vectors to use for queues (usually 0) - * - * This function assumes the rdma device @dev has at least as many available - * interrupt vetors as @set has queues. It will then query it's affinity mask - * and built queue mapping that maps a queue to the CPUs that have irq affinity - * for the corresponding vector. - * - * In case either the driver passed a @dev with less vectors than - * @set->nr_hw_queues, or @dev does not provide an affinity mask for a - * vector, we fallback to the naive mapping. - */ -int blk_mq_rdma_map_queues(struct blk_mq_queue_map *map, - struct ib_device *dev, int first_vec) -{ - const struct cpumask *mask; - unsigned int queue, cpu; - - for (queue = 0; queue < map->nr_queues; queue++) { - mask = ib_get_vector_affinity(dev, first_vec + queue); - if (!mask) - goto fallback; - - for_each_cpu(cpu, mask) - map->mq_map[cpu] = map->queue_offset + queue; - } - - return 0; - -fallback: - return blk_mq_map_queues(map); -} -EXPORT_SYMBOL_GPL(blk_mq_rdma_map_queues); diff --git a/block/blk-mq-virtio.c b/block/blk-mq-virtio.c deleted file mode 100644 index 7b8a42c35102..000000000000 --- a/block/blk-mq-virtio.c +++ /dev/null @@ -1,46 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2016 Christoph Hellwig. - */ -#include -#include -#include -#include -#include -#include "blk-mq.h" - -/** - * blk_mq_virtio_map_queues - provide a default queue mapping for virtio device - * @qmap: CPU to hardware queue map. - * @vdev: virtio device to provide a mapping for. - * @first_vec: first interrupt vectors to use for queues (usually 0) - * - * This function assumes the virtio device @vdev has at least as many available - * interrupt vectors as @set has queues. It will then query the vector - * corresponding to each queue for it's affinity mask and built queue mapping - * that maps a queue to the CPUs that have irq affinity for the corresponding - * vector. - */ -int blk_mq_virtio_map_queues(struct blk_mq_queue_map *qmap, - struct virtio_device *vdev, int first_vec) -{ - const struct cpumask *mask; - unsigned int queue, cpu; - - if (!vdev->config->get_vq_affinity) - goto fallback; - - for (queue = 0; queue < qmap->nr_queues; queue++) { - mask = vdev->config->get_vq_affinity(vdev, first_vec + queue); - if (!mask) - goto fallback; - - for_each_cpu(cpu, mask) - qmap->mq_map[cpu] = qmap->queue_offset + queue; - } - - return 0; -fallback: - return blk_mq_map_queues(qmap); -} -EXPORT_SYMBOL_GPL(blk_mq_virtio_map_queues);