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 X-Spam-Level: X-Spam-Status: No, score=-12.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A79ACC11F64 for ; Thu, 1 Jul 2021 14:40:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 809556141C for ; Thu, 1 Jul 2021 14:40:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231142AbhGAOnW (ORCPT ); Thu, 1 Jul 2021 10:43:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:38932 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229978AbhGAOnW (ORCPT ); Thu, 1 Jul 2021 10:43:22 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8885B6140C; Thu, 1 Jul 2021 14:40:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625150451; bh=qRA6jix9tJ9GFuDWO6ZTcbnyF4vlIVI6z2/rj74g4BY=; h=Subject:To:References:Cc:From:Date:In-Reply-To:From; b=QNDj4qPVAmQzw7Kb5gvI5wgLPcwoNWfwmk+4LOIFlgi/Pp1YeV7GuM7suSnUqUTD4 MaRQyN6hI9Rpfi0SllaxZ8hSbuzHQ4hvQ68QeEPIySmW0z/yK32S/9LElZCXiOYmZl XYADxpQ5xrkrsApJ9BkB4bS3naeyxIMru9QGgShGJvIYdlA7fAZdT+PZ27tUHrP0sm 8dBAkqNNfe5EzDV2s97jqk6HBT+uaDY8r3zDGqha8sVnBth19BL/wbbTIhfqqTdM/2 rcy8TqLSbI/D5nyk5JdMWFYwAIVlLsMlkwnUjiEqlChzQQtLu8HKDBFanVFpa0MQGN IJcob9zbEcz5Q== Subject: Re: [PATCH v3 2/3] generic/103: special left calculation for f2fs To: Sun Ke , fstests@vger.kernel.org References: <20210630113736.551843-1-sunke32@huawei.com> <20210630113736.551843-3-sunke32@huawei.com> Cc: linux-f2fs-devel@lists.sourceforge.net, guan@eryu.me From: Chao Yu Message-ID: Date: Thu, 1 Jul 2021 22:40:49 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210630113736.551843-3-sunke32@huawei.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org On 2021/6/30 19:37, Sun Ke wrote: > It failed on f2fs: > QA output created by 103 > +fallocate: No space left on device > Silence is golden. > ... > > f2fs uses index(radix) tree as mapping metadata, its space overhead > is about one thousandth of the data. > > Suggested-by: Chao Yu > Signed-off-by: Sun Ke Reviewed-by: Chao Yu