Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp302123pxj; Thu, 13 May 2021 05:24:35 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz3IaAWchOcaf0tbajuiwsBR4ID6uu8omnutTwn1gqSGWPpZ6DgmeFhP0j0uBG96dWAY4K0 X-Received: by 2002:a4a:4c42:: with SMTP id a63mr31840445oob.33.1620908674996; Thu, 13 May 2021 05:24:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1620908674; cv=none; d=google.com; s=arc-20160816; b=Yz08qjxltmUzaOMgmrCP6ScF2rTh0KSM+0V4q24TtZ9Qf9sQBMuRmZyRVvltskRAbm ql669yDYSGSJZ4Ng74hsRWza6/m89YXg4aYSD+Jd5QJTJr0rPVOKbBQALVCQ3+neounb LglO84Xq0QttE1A6H7DkH5+5pqgFBtAw/jwMHC2Yo0kwUm0crxYcThMIUbp9tZ/9/bya v9mAauVoyJdNAg1ml0NzI7LFPjzMFA/td7NeXeXpH65oqpS+nC/6ufAC4+k4ruMhV6ZN iV6v6mZ9pmHPRDaMClcu15Ni1xSi6a5/tgORyOQTQ0POd6HAeNXEQv0or8XSF/++juAL +5mA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:subject:cc:to:from; bh=/d5RwDaYUDpqomZMqsirwa2a0oksqf96k/EHgtOOKu8=; b=NQxRH1em4DQG107x9llrrRxOfOlHQSU3ayxBN3bVmd2OZpo0IbCVAFqhnBtiyucwnm bcHtfYgpu3jRRZzDrTXrj6nBRBn9h+02ClE/awVzthjVLFuyL+1OI7AzHIe3vfL1nqqa XIjoJgXRrDoLqZh7wbGPVB6t99/KZuV3Bfa1C2WTHIj2GH2Lts3JQgYEAT9eIoDsTkAl BtuYGruVv+QqlVCSyWUPblv02Ce0+4Phx29Fx2H1uo/Il1XPzWu2Pe0CPqQ0REpP5YSq ea/sJ2kguVbLrZcqb0UExZbKTBSZEGaVSjXvjkG3gBhmGMr6BM7kEzbMtTVWEdDjOizv XVAg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id b5si3213660otp.305.2021.05.13.05.24.20; Thu, 13 May 2021 05:24:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233591AbhEMMGe (ORCPT + 99 others); Thu, 13 May 2021 08:06:34 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:3747 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231609AbhEMMGb (ORCPT ); Thu, 13 May 2021 08:06:31 -0400 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4FgqyX3Xc4zqTdF; Thu, 13 May 2021 20:01:56 +0800 (CST) Received: from localhost.localdomain (10.69.192.58) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.498.0; Thu, 13 May 2021 20:05:12 +0800 From: John Garry To: CC: , , , , , , , , John Garry Subject: [PATCH v3 0/2] blk-mq: Request queue-wide tags for shared sbitmap Date: Thu, 13 May 2021 20:00:56 +0800 Message-ID: <1620907258-30910-1-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.69.192.58] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is v3 of patch/series. I have spun off a new patch for tag allocation refactoring. Details are in commit messages. Changes since v2: - Spin off separate patch for tag allocation refactoring - Combine sched shared sbitmap code into a single function Changes since v1: - Embed sbitmaps in request_queue struct - Relocate IO sched functions to blk-mq-sched.c - Fix error path code Please retest, thanks! For some reason I could not recreate the original issue, but I am using qemu... John Garry (2): blk-mq: Some tag allocation code refactoring blk-mq: Use request queue-wide tags for tagset-wide sbitmap block/blk-mq-sched.c | 67 ++++++++++++++++++++++++++++++++++-------- block/blk-mq-sched.h | 2 ++ block/blk-mq-tag.c | 65 +++++++++++++++++++++++----------------- block/blk-mq-tag.h | 9 ++++-- block/blk-mq.c | 15 ++++++++-- include/linux/blkdev.h | 4 +++ 6 files changed, 116 insertions(+), 46 deletions(-) -- 2.26.2