From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932384AbWGLSRq (ORCPT ); Wed, 12 Jul 2006 14:17:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932387AbWGLSRm (ORCPT ); Wed, 12 Jul 2006 14:17:42 -0400 Received: from e33.co.us.ibm.com ([32.97.110.151]:53920 "EHLO e33.co.us.ibm.com") by vger.kernel.org with ESMTP id S932384AbWGLSRc (ORCPT ); Wed, 12 Jul 2006 14:17:32 -0400 Subject: [RFC][PATCH 24/27] do_rmdir(): elevate write count To: viro@ftp.linux.org.uk Cc: serue@us.ibm.com, linux-kernel@vger.kernel.org, Dave Hansen From: Dave Hansen Date: Wed, 12 Jul 2006 11:17:27 -0700 References: <20060712181709.5C1A4353@localhost.localdomain> In-Reply-To: <20060712181709.5C1A4353@localhost.localdomain> Message-Id: <20060712181727.37FD4043@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 2006-07-12 11:09:40.000000000 -0700 +++ lxc-dave/fs/namei.c 2006-07-12 11:09:42.000000000 -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); _