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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E475C3F6B0 for ; Mon, 15 Aug 2022 17:00:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233006AbiHORAy (ORCPT ); Mon, 15 Aug 2022 13:00:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236775AbiHORAx (ORCPT ); Mon, 15 Aug 2022 13:00:53 -0400 Received: from mail-pj1-f50.google.com (mail-pj1-f50.google.com [209.85.216.50]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C5C51181E for ; Mon, 15 Aug 2022 10:00:52 -0700 (PDT) Received: by mail-pj1-f50.google.com with SMTP id 15-20020a17090a098f00b001f305b453feso14994538pjo.1 for ; Mon, 15 Aug 2022 10:00:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc; bh=fDMsWB70AfCqrSP8gvqZ6knTs8ogtqhpD6f1co3N8zo=; b=FB6Vpr1TRumHQMizRIE+fAI3BgWn3+Gu160ENjXFDV9abRMLzA/pO747mEIHOtDojl /G6gJAOqRG8xStzYQ20iiEaACAljCBcsJY+ys8SXxHwO0doiHGAlqkzBHWNCu6HDBgIZ rM1mnwqyk2ijIERBEwkMDVZCHnOxPDFECssOALTnnyjxyAC+bISKkfy46/82YPJVVRW3 xMQD2TfIog2LmfUbi76iQID1gYG7Jg8sxA8Cl1f4OtdGJ6ASwNJJjQsefhtEc/qNos0x tZ8VdzyHUx7Jy68g4W0Ib6SB6ame+lWEMc9eOvQMCc5Ja8900MMiPBV5suGrqrhRdQIa k03w== X-Gm-Message-State: ACgBeo1H1UfqI2mK9UbUf1tSwAAjVPzNnez5JMunGsjpZZPw/3bvRQ5Y F6V8tWM/jbV1g5qGO6Jd6MJW2RD42bg= X-Google-Smtp-Source: AA6agR4UeWSjwLECC2+agR+MUVMssVu8KPIZ0TIuHACUlMqMuBqFvsui3b2qBYCKs9OXFV4lJnXwsQ== X-Received: by 2002:a17:90a:55:b0:1f7:4513:8cac with SMTP id 21-20020a17090a005500b001f745138cacmr18762370pjb.93.1660582851777; Mon, 15 Aug 2022 10:00:51 -0700 (PDT) Received: from bvanassche-linux.mtv.corp.google.com ([2620:15c:211:201:c1a1:6549:b273:880b]) by smtp.gmail.com with ESMTPSA id m2-20020a170902db0200b0016eea511f2dsm7255690plx.242.2022.08.15.10.00.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Aug 2022 10:00:50 -0700 (PDT) From: Bart Van Assche To: Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Bart Van Assche Subject: [PATCH v2 0/2] Make blk_mq_map_queues() return void Date: Mon, 15 Aug 2022 10:00:41 -0700 Message-Id: <20220815170043.19489-1-bvanassche@acm.org> X-Mailer: git-send-email 2.37.1.595.g718a3a8f04-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Jens, The only block driver for which the .map_queues() callback can fail is null_blk. Since most blk_mq_map_queues() callers ignore the return value of this function, modify the null_blk driver such that its .map_queues() callback does not fail and change the blk_mq_map_queues() return type into void. Please consider this patch series for the next merge window. Thanks, Bart. Changes compared to v1: - Combined all patches except one into a single patch as requested by Christoph. Bart Van Assche (2): null_blk: Modify the behavior of null_map_queues() block: Change the return type of blk_mq_map_queues() into void block/blk-mq-cpumap.c | 4 +--- block/blk-mq-pci.c | 7 +++---- block/blk-mq-rdma.c | 6 +++--- block/blk-mq-virtio.c | 7 ++++--- block/blk-mq.c | 10 ++++------ drivers/block/null_blk/main.c | 8 ++++---- drivers/block/rnbd/rnbd-clt.c | 4 +--- drivers/block/virtio_blk.c | 4 +--- drivers/nvme/host/fc.c | 3 +-- drivers/nvme/host/pci.c | 4 +--- drivers/nvme/host/rdma.c | 4 +--- drivers/nvme/host/tcp.c | 4 +--- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 5 +---- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 5 ++--- drivers/scsi/megaraid/megaraid_sas_base.c | 6 ++---- drivers/scsi/mpi3mr/mpi3mr_os.c | 5 +---- drivers/scsi/mpt3sas/mpt3sas_scsih.c | 5 ++--- drivers/scsi/pm8001/pm8001_init.c | 2 +- drivers/scsi/qla2xxx/qla_nvme.c | 6 +----- drivers/scsi/qla2xxx/qla_os.c | 10 ++++------ drivers/scsi/qlogicpti.c | 6 ++---- drivers/scsi/scsi_debug.c | 7 ++----- drivers/scsi/scsi_lib.c | 4 ++-- drivers/scsi/smartpqi/smartpqi_init.c | 6 +++--- drivers/scsi/virtio_scsi.c | 4 ++-- drivers/ufs/core/ufshcd.c | 9 +++------ include/linux/blk-mq-pci.h | 4 ++-- include/linux/blk-mq-rdma.h | 2 +- include/linux/blk-mq-virtio.h | 2 +- include/linux/blk-mq.h | 4 ++-- include/scsi/scsi_host.h | 2 +- 31 files changed, 60 insertions(+), 99 deletions(-)