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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11DB3C04A68 for ; Tue, 26 Jul 2022 14:29:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233426AbiGZO3q (ORCPT ); Tue, 26 Jul 2022 10:29:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238934AbiGZO3i (ORCPT ); Tue, 26 Jul 2022 10:29:38 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80B63B9 for ; Tue, 26 Jul 2022 07:29:37 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.54]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4LsfNy3SFrz1M89q; Tue, 26 Jul 2022 22:26:42 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 26 Jul 2022 22:29:34 +0800 From: Miaohe Lin To: , , CC: , , Subject: [PATCH v2 5/5] hugetlbfs: fix inaccurate comment in hugetlbfs_statfs() Date: Tue, 26 Jul 2022 22:29:18 +0800 Message-ID: <20220726142918.51693-6-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220726142918.51693-1-linmiaohe@huawei.com> References: <20220726142918.51693-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In some cases, e.g. when size option is not specified, f_blocks, f_bavail and f_bfree will be set to -1 instead of 0. Likewise, when nr_inodes isn't specified, f_files and f_ffree will be set to -1 too. Update the comment to make this clear. Signed-off-by: Miaohe Lin --- fs/hugetlbfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 96c60aa3ab47..fe0e374b02a3 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -1079,7 +1079,7 @@ static int hugetlbfs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bsize = huge_page_size(h); if (sbinfo) { spin_lock(&sbinfo->stat_lock); - /* If no limits set, just report 0 for max/free/used + /* If no limits set, just report 0 or -1 for max/free/used * blocks, like simple_statfs() */ if (sbinfo->spool) { long free_pages; -- 2.23.0