From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422649AbWF0WSJ (ORCPT ); Tue, 27 Jun 2006 18:18:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422647AbWF0WPU (ORCPT ); Tue, 27 Jun 2006 18:15:20 -0400 Received: from e34.co.us.ibm.com ([32.97.110.152]:14241 "EHLO e34.co.us.ibm.com") by vger.kernel.org with ESMTP id S1030471AbWF0WPA (ORCPT ); Tue, 27 Jun 2006 18:15:00 -0400 Subject: [PATCH 18/20] do_rmdir(): elevate write count To: akpm@osdl.org Cc: linux-kernel@vger.kernel.org, herbert@13thfloor.at, viro@ftp.linux.org.uk, serue@us.ibm.com, Dave Hansen From: Dave Hansen Date: Tue, 27 Jun 2006 15:14:55 -0700 References: <20060627221436.77CCB048@localhost.localdomain> In-Reply-To: <20060627221436.77CCB048@localhost.localdomain> Message-Id: <20060627221455.482BD7C1@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 files changed, 5 insertions(+) diff -puN fs/namei.c~C-rmdir1 fs/namei.c --- lxc/fs/namei.c~C-rmdir1 2006-06-27 10:40:35.000000000 -0700 +++ lxc-dave/fs/namei.c 2006-06-27 10:40:35.000000000 -0700 @@ -2078,7 +2078,12 @@ 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); _