Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp5030014ybl; Mon, 9 Dec 2019 22:23:25 -0800 (PST) X-Google-Smtp-Source: APXvYqxw0+XTqgIaixlf/vziJsuLiU8HvXPa9HpKZAl1b56Xfu6OSnUkWs+Oniga913Wtp2eJAyL X-Received: by 2002:aca:4a41:: with SMTP id x62mr2582305oia.148.1575959005235; Mon, 09 Dec 2019 22:23:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1575959005; cv=none; d=google.com; s=arc-20160816; b=Bx+4wqyphe07xqaPE1GVp4ykS59+NlZNuwnqxvAE3PLZ/r3c9WGYcXAho7RXRzKhqD eMoGYDARKM6biZl5U5F6n9RkVRd7892oGTB6V0ahmbmV5hU6jdtn8I3p9Ks9pCffHRCC w+C98OPFL4dyOU7dFB8tUpw10llK04bTpiwp7SZafdWMROzJ/UoYRIcn5CeoMYFF8b3Z 81nVf6mK4Qrex6/pvWsZAWa2s/ZyFgq379jIcSommQtA3jytb9WWDYB37hNZer81GAEc +VJ157UfB9pB1Gbzaly0fe/E5muqOTfNZKOqycx17FwVvuBiCHiTMAShdwo2fyt6gwdh 0YyA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:to:subject; bh=p26hVEw1nhQ9d80CN3GI6bhuvcByOz1xXjU82RwSCuw=; b=TfnIv8Sn2GcLMDVG8PbVYixBnyiihqoLs2gs7Mr73y9qrBDGVoB3vNoKL5F5iEsK7v DQhPkK/IDBPXVbTuTbuUMrFi3rzYAh6V6euUUHcc6r9RvBglLQ4uAMnNW9uG8Otna6j/ xGeMEwAawEmqZWB+tl+vxwaWmtJDFAwpwk6UvoRTssgy3HpqIgVEgd8UrIFzhHj4RYoO VvvfRzUXgBlvdlasVN6f+39OGZcpRvFxRVgbpQD9al998ZiKQ8ZKESWUZecDWf09xu9e 8BH1dklVphlOmyAfgkGDuy/PB6omJseiw7GXqnpBTcm1DI7JrFoL/AquWZ+1KqDkXezP NvMQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id o10si1324104oie.114.2019.12.09.22.23.13; Mon, 09 Dec 2019 22:23:25 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727178AbfLJGW3 (ORCPT + 99 others); Tue, 10 Dec 2019 01:22:29 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:54926 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726085AbfLJGW3 (ORCPT ); Tue, 10 Dec 2019 01:22:29 -0500 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 6B85ACFE8E93AAAE193A; Tue, 10 Dec 2019 14:22:27 +0800 (CST) Received: from [10.134.22.195] (10.134.22.195) by smtp.huawei.com (10.3.19.207) with Microsoft SMTP Server (TLS) id 14.3.439.0; Tue, 10 Dec 2019 14:22:26 +0800 Subject: Re: [f2fs-dev] [PATCH 4/6] f2fs: should avoid recursive filesystem ops To: Jaegeuk Kim , , References: <20191209222345.1078-1-jaegeuk@kernel.org> <20191209222345.1078-4-jaegeuk@kernel.org> From: Chao Yu Message-ID: <9dd3df66-63ec-0ccf-55c7-85c479819601@huawei.com> Date: Tue, 10 Dec 2019 14:22:26 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20191209222345.1078-4-jaegeuk@kernel.org> Content-Type: text/plain; charset="windows-1252" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.134.22.195] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019/12/10 6:23, Jaegeuk Kim wrote: > We need to use GFP_NOFS, since we did f2fs_lock_op(). > > Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu Thanks,