Received: by 2002:a25:e74b:0:0:0:0:0 with SMTP id e72csp1719208ybh; Mon, 20 Jul 2020 05:39:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwZgnwHwWJ9Jd61UAhE05ei6uCVhRjMOcr82gSeHR8mQSurCCxz9ipeZna8xGOPmyOa1XnW X-Received: by 2002:a05:6402:134e:: with SMTP id y14mr21641386edw.4.1595248795500; Mon, 20 Jul 2020 05:39:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1595248795; cv=none; d=google.com; s=arc-20160816; b=wG3rKIA/S64Y8nzhNDPth9tlpGcuV0ldin8qi8GCd9FPYJ6Pkm3GCWBhpTMAevhINe gRGjgo2XtJyYhleGOZJaqz/kbnKHqe6Kyi9RIcCws4NHYIBYNxiK03gtc/KZcnLA4sxT BSrXtIOLF1TfypgEbxs4xy1tfpYG/V8spuKWVgatwsn9F1qubn95h4lR2gwbnHWJDNka 7j+3SeBS3MoQI2OsHvLGI9L1KnC/uoazM8LslXeCtglqFqmkIL/s/YyCCLBouzeSrSPz kXNNXGebXvl1upYdKZgxS5CmUgz4FUYajkQldygH4vj/cYT+W1nWux+AFCdxf7e/SN+I lxhQ== 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:mime-version :user-agent:references:in-reply-to:date:cc:to:reply-to:from:subject :message-id:ironport-sdr:ironport-sdr; bh=GT/jhUCV17RLRvYhyZ73MubWFTuW6vm420OD4llbbJQ=; b=VsI7kZ5244JrtRB9n6GPUUXI3/23BPVs8o5qfJ3Nt2pyrR5tebTQ1rGyLyVpULiaAx ZIEGoiAUkJFE8ze5N0yma/hM67WKHZGA7h58KQPEae9Mh30kcfZg3x2LWrcFNdiy/o5e QW/ngZIIpQnCpNzQq7/21MgM8mzacE5nUkAVq8f8o7KPlBNh9qHl66AqVWHyRUbn5fUo GXYAEU0Y9ivWJZzL+LY0aqJBJFMEfg3OC++vXlgiT5140/ut0ok1TwaloqT5vP45tBFG mdqhoUDp0rQPWQPpymJMZdIOAebq98U5uqyB8iAMB7q3ZIR2bnN+edt53z78H6iw9FLN Qoaw== ARC-Authentication-Results: i=1; mx.google.com; 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; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u18si10712852ejz.388.2020.07.20.05.39.32; Mon, 20 Jul 2020 05:39:55 -0700 (PDT) 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; 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; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728638AbgGTMhQ (ORCPT + 99 others); Mon, 20 Jul 2020 08:37:16 -0400 Received: from mga05.intel.com ([192.55.52.43]:59628 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728200AbgGTMhP (ORCPT ); Mon, 20 Jul 2020 08:37:15 -0400 IronPort-SDR: QrMZgFR6ujJQ9Z3ou8dIP9/BHj3iFPpSFBE4my6AWJWoZYM5zrmYo1kHn/9r6xXIhXQi0mcEv7 GjBdzmzLYtpA== X-IronPort-AV: E=McAfee;i="6000,8403,9687"; a="234750664" X-IronPort-AV: E=Sophos;i="5.75,375,1589266800"; d="scan'208";a="234750664" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jul 2020 05:37:15 -0700 IronPort-SDR: 7deXD1XW+A1Hva+QiCJdaK4EIpnjzCtylsXLbkZMEWcV3EA4SSFqyWHsLulKcoOBu1VF1DCfC/ jsIW9xbLx4ZA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,375,1589266800"; d="scan'208";a="487228228" Received: from linux.intel.com ([10.54.29.200]) by fmsmga006.fm.intel.com with ESMTP; 20 Jul 2020 05:37:15 -0700 Received: from abityuts-desk1.fi.intel.com (abityuts-desk1.fi.intel.com [10.237.72.186]) by linux.intel.com (Postfix) with ESMTP id A1092580299; Mon, 20 Jul 2020 05:37:11 -0700 (PDT) Message-ID: <2827a5dbd94bc5c2c1706a6074d9a9a32a590feb.camel@gmail.com> Subject: Re: [PATCH 04/14] bdi: initialize ->ra_pages in bdi_init From: Artem Bityutskiy Reply-To: dedekind1@gmail.com To: Christoph Hellwig , Richard Weinberger Cc: Jens Axboe , linux-raid@vger.kernel.org, Hans de Goede , Richard Weinberger , LKML , linux-block@vger.kernel.org, Song Liu , device-mapper development , linux-mtd@lists.infradead.org, linux-mm@kvack.org, linux-fsdevel , cgroups mailinglist , drbd-dev@lists.linbit.com Date: Mon, 20 Jul 2020 15:37:10 +0300 In-Reply-To: <20200720120734.GA29061@lst.de> References: <20200720075148.172156-1-hch@lst.de> <20200720075148.172156-5-hch@lst.de> <20200720120734.GA29061@lst.de> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.32.5 (3.32.5-1.fc30) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2020-07-20 at 14:07 +0200, Christoph Hellwig wrote: > What about jffs2 and blk2mtd raw block devices? If my memory serves me correctly JFFS2 did not mind readahead.