Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp3208991pxb; Mon, 16 Nov 2020 08:28:45 -0800 (PST) X-Google-Smtp-Source: ABdhPJw/2r9+MMk3jc1l+ju80qKThZlj41m7Qp/8dV8EuqvSrsAlBx0bf1GKpVmQLikx+XWkwMQ6 X-Received: by 2002:a50:da46:: with SMTP id a6mr12186105edk.272.1605544125171; Mon, 16 Nov 2020 08:28:45 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1605544125; cv=none; d=google.com; s=arc-20160816; b=OErBcuNr22A+CmcQD8QK2Mm8Iv64Z4m2hV4PqTkMJ53gV8EhHUhaEcPwRKKahLqZKX Eyw1NgE9WFGQGXmjtMyFhiS1UMvZBXqqKxAAxsYTT7P+zQxFH63yHGxQ2IbzGHVhUPTo yNqhwoL2izJku+FFnh+zc0NtUHOCrX5JU+oVpgSR5xugsr5vl6+W4Zg+ioKZdfRdk0vJ 9ZSkOSoxbBvikLTLz+276I3euzSw+pOf2C8XCw1wI/yyRP+DJ+7xRPa/cvZBwVizg47C tDa5AI1ZIF672af1PNmswC1o5fI+BzAiFQNi35TzP8vxRfmShF5k62eTg6AJhldfZejV Qa9g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=9jSNlyGIwtlF+yLyE4fC/j/fuiok1x6YoEBYmu7faEM=; b=modhZpdyc4tCPpbVLWgYVMVyNg8YUAiWQmnlj+OjVT8cRBVxRRkABgcy5X/qu5fOTL 355cpzcMKlcsv1jmyHBJp9h34+mhNOHE0GY2970GqAOnqMeAfJFhKsDxs8GwylHGH3TO Np61BORRyVlEhi7Z4XLT7DO9v/O1rN8ZjHQJDdQmileprS03UFASoY38FNWz5D9viY8D S+9FJGe6sMfCnjul+qi2t1+GcpT7TXtkA9M0beaUbIFwkM5kzV3NlGYuG8LulBJpYkhu 3UZz2i2JqzYnFsw0FAhi2uQmbdiiu2X++MMxDpe+NRxN5ZxEzzvYGqCbLNfcks+t3lH4 LR5A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=f0sAtF7S; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id fy25si11942377ejb.455.2020.11.16.08.28.21; Mon, 16 Nov 2020 08:28:45 -0800 (PST) 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; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=f0sAtF7S; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732034AbgKPQXz (ORCPT + 99 others); Mon, 16 Nov 2020 11:23:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728717AbgKPQXz (ORCPT ); Mon, 16 Nov 2020 11:23:55 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12800C0613CF for ; Mon, 16 Nov 2020 08:23:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=9jSNlyGIwtlF+yLyE4fC/j/fuiok1x6YoEBYmu7faEM=; b=f0sAtF7SYkRCHhdCP9mnkqFqHT 5jEyv+cHLIArUkT6ZJJtg+ym3XgsRStwm1gp0uB6WMOjx1Dy+ocwtapCyNsBWVg4b+S2WJ7Y1LOAe uAKd8BVG/T5TIgO0zWvHqTFZibgOHwE/y1Yvq2JrYKekQm5oJ/5ix9TMo8TZhhhz7lEv+xBaZbBmJ /Df/Kmp9kNJWkTfR6fmVxuBAGIymXt6H6Utd6Z6Hy3ewyVmLSG93oGz1nVWez/vNvZnKdjpHZu2Xt 7dN5lxmq9496nW0VVZCCwNOvNxKF7P/4WK/5wmjFw9Xk3UvsiBoPPV+oFogzdMK5TP3L94BMgQPge BdNbbTsw==; Received: from hch by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kehIC-00047o-6n; Mon, 16 Nov 2020 16:23:48 +0000 Date: Mon, 16 Nov 2020 16:23:48 +0000 From: Christoph Hellwig To: qiang.zhang@windriver.com Cc: pmladek@suse.com, tj@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] kthread_worker: Add flush delayed work func Message-ID: <20201116162348.GA15826@infradead.org> References: <20201111091355.19476-1-qiang.zhang@windriver.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201111091355.19476-1-qiang.zhang@windriver.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 11, 2020 at 05:13:55PM +0800, qiang.zhang@windriver.com wrote: > From: Zqiang > > Add 'kthread_flush_delayed_work' func, the principle of > this func is wait for a dwork to finish executing the > last queueing. Who is going to use it? And why? Please document this and resend it together with the series adding the user(s).