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 X-Spam-Level: X-Spam-Status: No, score=-11.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, 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 3F708C4320A for ; Wed, 28 Jul 2021 08:16:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 20B2A60F9D for ; Wed, 28 Jul 2021 08:16:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234644AbhG1IQz (ORCPT ); Wed, 28 Jul 2021 04:16:55 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:31862 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233541AbhG1IQx (ORCPT ); Wed, 28 Jul 2021 04:16:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1627460212; 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; bh=11KkgfjZAJz7gnbKE1E4S6iTwopp2sMFZgLDOO2RYF0=; b=OC04xr5cpSVy9wKZbeIBobCE7QdQUUJcOdILwXFXU5KuBl9TIRaCs/lOqdVN6ACoUl4yvX UsP5sPF2X7M5xSm7gI7iLpvW0reGTKlGbqgtP4vjdwz9kqtm86QDU8xvF4UqRoF64HiKVa GhWUHDuNeTfqO08uwljj2lf0Clxz2L0= 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-184-lsI691mRPdqlEDxrWG7Qsw-1; Wed, 28 Jul 2021 04:16:50 -0400 X-MC-Unique: lsI691mRPdqlEDxrWG7Qsw-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 44B611084F40; Wed, 28 Jul 2021 08:16:49 +0000 (UTC) Received: from localhost (ovpn-13-99.pek2.redhat.com [10.72.13.99]) by smtp.corp.redhat.com (Postfix) with ESMTP id 785AA60C05; Wed, 28 Jul 2021 08:16:44 +0000 (UTC) From: Ming Lei To: Jens Axboe Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Christoph Hellwig , Dan Schatzberg , Ming Lei Subject: [PATCH V2 0/7] loop: cleanup charging io to mem/blkcg Date: Wed, 28 Jul 2021 16:16:31 +0800 Message-Id: <20210728081638.1500953-1-ming.lei@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Guys, Cleanup charging io to mem/blkcg a bit: - avoid to store blkcg_css/memcg_css in loop_cmd, and store blkcg_css in loop_worker instead - avoid to acquire ->lo_work_lock in IO path - simplify blkcg_css query via xarray - other misc cleanup V2: - add helper of memcg_get_e_css - cleanup #ifdef - improve the last patch, as discussed with Dan Schatzberg Ming Lei (7): mm: memcontrol: add helper of memcg_get_e_css loop: clean up blkcg association loop: conver timer for monitoring idle worker into dwork loop: add __loop_free_idle_workers() for covering freeing workers in clearing FD loop: improve loop_process_work loop: use xarray to store workers loop: don't add worker into idle list drivers/block/loop.c | 320 ++++++++++++++++++++----------------- drivers/block/loop.h | 7 +- include/linux/memcontrol.h | 8 + 3 files changed, 188 insertions(+), 147 deletions(-) -- 2.31.1