From patchwork Tue Jul 21 08:37:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Dongsheng X-Patchwork-Id: 6833291 Return-Path: X-Original-To: patchwork-linux-fsdevel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A20E1C05AC for ; Tue, 21 Jul 2015 08:44:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CFCB220690 for ; Tue, 21 Jul 2015 08:43:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EC2FD20678 for ; Tue, 21 Jul 2015 08:43:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754172AbbGUInz (ORCPT ); Tue, 21 Jul 2015 04:43:55 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:7296 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1754091AbbGUInp (ORCPT ); Tue, 21 Jul 2015 04:43:45 -0400 X-IronPort-AV: E=Sophos;i="5.13,665,1427731200"; d="scan'208";a="98671204" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 21 Jul 2015 16:47:19 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id t6L8fngb005018; Tue, 21 Jul 2015 16:41:49 +0800 Received: from yds-PC.g08.fujitsu.local (10.167.226.66) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.181.6; Tue, 21 Jul 2015 16:43:36 +0800 From: Dongsheng Yang To: , , CC: , , Dongsheng Yang Subject: [PATCH 10/25] ubifs: fill ->s_dev in ubifs_fill_super Date: Tue, 21 Jul 2015 16:37:41 +0800 Message-ID: <1437467876-22106-11-git-send-email-yangds.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1437467876-22106-1-git-send-email-yangds.fnst@cn.fujitsu.com> References: <1437467876-22106-1-git-send-email-yangds.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.66] Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Spam-Status: No, score=-8.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Some tools in userspace, such as quota-tools, are using stat() to get the st_dev of a mount point then to find out the device mounted on this mount point. So we have to fill ->s_dev here to tell them which device is mounted on this point. Signed-off-by: Dongsheng Yang --- fs/ubifs/super.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 27e1739..161b1a6 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -36,6 +36,7 @@ #include #include #include +#include #include "ubifs.h" /* @@ -2033,6 +2034,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent) sb->s_bdi = &c->bdi; sb->s_cdev = ubi_get_volume_cdev(c->ubi); + sb->s_dev = sb->s_cdev->dev; sb->s_fs_info = c; sb->s_magic = UBIFS_SUPER_MAGIC; sb->s_blocksize = UBIFS_BLOCK_SIZE;