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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6DCA1C001DE for ; Wed, 26 Jul 2023 07:46:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=legFmr/+3sEh1/8E4KFXoInDxobZBoAUG8+MeVWl81g=; b=jNbutSqdnhLmD/ RVgyf1LJbAdVEjZpVeqQefAsdvFEvqx02VCJm+1TrHXiBfJhyycgNduJ53WFuTtjc09qiHwHlZp8f uOOpO4KmtFDtNdNKTaTE+f88HGCqUqIgpWn8Vo8/GrHq4YX4QGwwKIR5BgbaM5y73GWcsS7US8HKf /BK5dbVTEtubCgC3gGnYZCo0BTXSatn0/4jMhOuvpwjhBvPQchft1U90lzwUMorDC4OfVSYoyP27g 4YmsSI2AAQD5ewoJY0B4qIUjQMPKyGHdAUW8+idBsjBHGLmkUHzBZqsDXVjAW5kZFKeugHMHrj96S UObim9hLvLWsRD99c+wQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qOZE5-009Tn6-2q; Wed, 26 Jul 2023 07:46:29 +0000 Received: from out-4.mta0.migadu.com ([91.218.175.4]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qOZE2-009TkZ-2o for linux-mtd@lists.infradead.org; Wed, 26 Jul 2023 07:46:28 +0000 Message-ID: <2eb5ac60-d03f-c770-144c-67c23337a899@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1690357574; 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=6QEBEdTPSAaW2OQqcLE7rLGuRZIVN6+LeTsJ4l/CyeM=; b=PIFD02mpMzjRcZ3366WsMtp53hA717Gy3vvuYw5Rhd/AopVnoI+xS2zEoD80dtXmig5iVU e+udj9BpG++3X4I7Xha4OWZFfxbVXmw3wbp6r/NHzIwAOXaSD+OnSfxRqvRN624pP6oj8J xGsejw6XWW8uEiG+p7ecCRE5blMqFKA= Date: Wed, 26 Jul 2023 15:45:56 +0800 MIME-Version: 1.0 Subject: Re: [PATCH v2 40/47] fs: super: dynamically allocate the s_shrink To: Qi Zheng Cc: 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, akpm@linux-foundation.org, david@fromorbit.com, tkhai@ya.ru, vbabka@suse.cz, roman.gushchin@linux.dev, djwong@kernel.org, brauner@kernel.org, paulmck@kernel.org, tytso@mit.edu, steven.price@arm.com, cel@kernel.org, senozhatsky@chromium.org, yujie.liu@intel.com, gregkh@linuxfoundation.org References: <20230724094354.90817-1-zhengqi.arch@bytedance.com> <20230724094354.90817-41-zhengqi.arch@bytedance.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Muchun Song In-Reply-To: <20230724094354.90817-41-zhengqi.arch@bytedance.com> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230726_004627_057721_A41FEC06 X-CRM114-Status: UNSURE ( 6.12 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On 2023/7/24 17:43, Qi Zheng wrote: > In preparation for implementing lockless slab shrink, use new APIs to > dynamically allocate the s_shrink, 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 super_block. > > Signed-off-by: Qi Zheng Reviewed-by: Muchun Song ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/