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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no 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 4F9EEC352A5 for ; Mon, 10 Feb 2020 13:04:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1DBC92070A for ; Mon, 10 Feb 2020 13:04:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581339850; bh=c9p7BO+g+O9vu5jRi6Si3qgbX/r1PcAB+5FmIY5Lhy8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JdSPXhy18LvA/46DtO7gWx9QKkK9Q2EM0THLijqyQ3LmA0IK4yzUQSxvE0XHe2p9W hYtTqklFdyippfrhWcAvvKL4b5TI2DITUJLPE8BiGe1Xq7bdLVGfp7M/kqtKSvLgh5 rIRxCBHLhWsFHO15XrFpNbKCZdLlknqlJnHJgapo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730496AbgBJNEJ (ORCPT ); Mon, 10 Feb 2020 08:04:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:39962 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729683AbgBJMkR (ORCPT ); Mon, 10 Feb 2020 07:40:17 -0500 Received: from localhost (unknown [209.37.97.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B04F420838; Mon, 10 Feb 2020 12:40:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581338416; bh=c9p7BO+g+O9vu5jRi6Si3qgbX/r1PcAB+5FmIY5Lhy8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U/O7Nmz/1SyuGlFWuXhebJWS24305lp0MAaqwc+pDYWCrZIBnT77y7Wvu+lHXhLJz qsXRUyD3zzGH398aWaWMiDVumFfKOvkIpIB9bemvQ/aySDpRzStb49USLhL5jeueNx fg4kslwv49szqaqWvD/EcJQDGa6bPlmgvB3mv7vU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org Subject: [PATCH 5.5 132/367] f2fs: fix miscounted block limit in f2fs_statfs_project() Date: Mon, 10 Feb 2020 04:30:45 -0800 Message-Id: <20200210122437.058285595@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200210122423.695146547@linuxfoundation.org> References: <20200210122423.695146547@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chengguang Xu commit acdf2172172a511f97fa21ed0ee7609a6d3b3a07 upstream. statfs calculates Total/Used/Avail disk space in block unit, so we should translate soft/hard prjquota limit to block unit as well. Below testing result shows the block/inode numbers of Total/Used/Avail from df command are all correct afer applying this patch. [root@localhost quota-tools]\# ./repquota -P /dev/sdb1 --- fs/f2fs/super.c | 2 ++ 1 file changed, 2 insertions(+) --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1219,6 +1219,8 @@ static int f2fs_statfs_project(struct su if (dquot->dq_dqb.dqb_bhardlimit && (!limit || dquot->dq_dqb.dqb_bhardlimit < limit)) limit = dquot->dq_dqb.dqb_bhardlimit; + if (limit) + limit >>= sb->s_blocksize_bits; if (limit && buf->f_blocks > limit) { curblock = dquot->dq_dqb.dqb_curspace >> sb->s_blocksize_bits;