From patchwork Tue Sep 15 09:02:28 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Dongsheng X-Patchwork-Id: 7182411 Return-Path: X-Original-To: patchwork-linux-fsdevel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A602F9F380 for ; Tue, 15 Sep 2015 09:33:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CC0B2205F1 for ; Tue, 15 Sep 2015 09:33:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E4804205E9 for ; Tue, 15 Sep 2015 09:33:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754322AbbIOJJg (ORCPT ); Tue, 15 Sep 2015 05:09:36 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:53515 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1754256AbbIOJJd (ORCPT ); Tue, 15 Sep 2015 05:09:33 -0400 X-IronPort-AV: E=Sophos;i="5.15,520,1432569600"; d="scan'208";a="100730402" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 15 Sep 2015 17:12:23 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id t8F99GY1008105; Tue, 15 Sep 2015 17:09:16 +0800 Received: from yds-PC.g08.fujitsu.local (10.167.226.66) by G08CNEXCHPEKD01.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.181.6; Tue, 15 Sep 2015 17:09:31 +0800 From: Dongsheng Yang To: , , , CC: , , Dongsheng Yang Subject: [PATCH v3 33/39] ubifs: adapt quota space informatin in do_setattr Date: Tue, 15 Sep 2015 17:02:28 +0800 Message-ID: <1442307754-13233-34-git-send-email-yangds.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1442307754-13233-1-git-send-email-yangds.fnst@cn.fujitsu.com> References: <1442307754-13233-1-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=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 In do_setattr, there is a possibility to change the size of a file. In this case, we have to notify the changed size to quota subsystem. Signed-off-by: Dongsheng Yang --- fs/ubifs/file.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 59b2098..ec89298 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1256,6 +1256,17 @@ static int do_setattr(struct ubifs_info *c, struct inode *inode, if (attr->ia_valid & ATTR_SIZE) { dbg_gen("size %lld -> %lld", inode->i_size, new_size); + if (S_ISREG(inode->i_mode)) { + if (new_size > inode->i_size) { + err = dquot_alloc_space_nodirty(inode, new_size - inode->i_size); + if (err) { + ubifs_release_budget(c, &req); + return err; + } + } else { + dquot_free_space_nodirty(inode, inode->i_size - new_size); + } + } truncate_setsize(inode, new_size); }