From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946630AbXBIWzd (ORCPT ); Fri, 9 Feb 2007 17:55:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1946150AbXBIWyV (ORCPT ); Fri, 9 Feb 2007 17:54:21 -0500 Received: from e36.co.us.ibm.com ([32.97.110.154]:43245 "EHLO e36.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423372AbXBIWxp (ORCPT ); Fri, 9 Feb 2007 17:53:45 -0500 Subject: [PATCH 18/22] do_rmdir(): elevate write count To: linux-kernel@vger.kernel.org Cc: akpm@osdl.org, hch@infradead.org, Dave Hansen From: Dave Hansen Date: Fri, 09 Feb 2007 14:53:42 -0800 References: <20070209225329.27619A62@localhost.localdomain> In-Reply-To: <20070209225329.27619A62@localhost.localdomain> Message-Id: <20070209225342.9341BECB@localhost.localdomain> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Elevate the write count during the vfs_rmdir() call. Signed-off-by: Dave Hansen --- lxc-dave/fs/namei.c | 5 +++++ 1 file changed, 5 insertions(+) diff -puN fs/namei.c~20-24-do-rmdir-elevate-write-count fs/namei.c --- lxc/fs/namei.c~20-24-do-rmdir-elevate-write-count 2007-02-09 14:26:58.000000000 -0800 +++ lxc-dave/fs/namei.c 2007-02-09 14:26:58.000000000 -0800 @@ -2101,7 +2101,12 @@ static long do_rmdir(int dfd, const char error = PTR_ERR(dentry); if (IS_ERR(dentry)) goto exit2; + error = mnt_want_write(nd.mnt); + if (error) + goto exit3; error = vfs_rmdir(nd.dentry->d_inode, dentry); + mnt_drop_write(nd.mnt); +exit3: dput(dentry); exit2: mutex_unlock(&nd.dentry->d_inode->i_mutex); _