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 5278AC0015E for ; Wed, 26 Jul 2023 07:49:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232884AbjGZHt3 (ORCPT ); Wed, 26 Jul 2023 03:49:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232978AbjGZHsK (ORCPT ); Wed, 26 Jul 2023 03:48:10 -0400 Received: from out-37.mta0.migadu.com (out-37.mta0.migadu.com [91.218.175.37]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 334EC4495 for ; Wed, 26 Jul 2023 00:43:53 -0700 (PDT) Content-Type: text/plain; charset=us-ascii DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1690357431; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=a3ULO+Vxmkb6xksXoS4ybd7NRJZ1IUtzBzsRjrvus9c=; b=nYQ62uKjxX88WM5P8sDgL4eT+IxccKZ1Bz9uh79DZNvhsKrwxOFwGCLy84LISyYseR95J2 yYS6BxTbWUyEJx1Geopid+DDx1DrJ04Fmbfb1W5NRe89QJmgxfeZm0I8SUGCOcTGjkjLL+ GWNJBEk3EgYkStTpHlPsv4QWLHeCki4= MIME-Version: 1.0 Subject: Re: [PATCH v2 38/47] xfs: dynamically allocate the xfs-qm shrinker X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Muchun Song In-Reply-To: <20230724094354.90817-39-zhengqi.arch@bytedance.com> Date: Wed, 26 Jul 2023 15:43:12 +0800 Cc: Andrew Morton , david@fromorbit.com, tkhai@ya.ru, Vlastimil Babka , Roman Gushchin , djwong@kernel.org, Christian Brauner , "Paul E. McKenney" , tytso@mit.edu, steven.price@arm.com, cel@kernel.org, senozhatsky@chromium.org, yujie.liu@intel.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org, linux-erofs@lists.ozlabs.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-nfs@vger.kernel.org, linux-mtd@lists.infradead.org, rcu@vger.kernel.org, netdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, dm-devel@redhat.com, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-btrfs@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <99BAA621-E9B3-4D87-A1DD-D5242D0BC483@linux.dev> References: <20230724094354.90817-1-zhengqi.arch@bytedance.com> <20230724094354.90817-39-zhengqi.arch@bytedance.com> To: Qi Zheng X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org > On Jul 24, 2023, at 17:43, Qi Zheng wrote: > > In preparation for implementing lockless slab shrink, use new APIs to > dynamically allocate the xfs-qm shrinker, so that it can be freed > asynchronously using kfree_rcu(). Then it doesn't need to wait for RCU > read-side critical section when releasing the struct xfs_quotainfo. > > Signed-off-by: Qi Zheng Reviewed-by: Muchun Song