From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937855AbXGLAYo (ORCPT ); Wed, 11 Jul 2007 20:24:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964922AbXGLARx (ORCPT ); Wed, 11 Jul 2007 20:17:53 -0400 Received: from e5.ny.us.ibm.com ([32.97.182.145]:56934 "EHLO e5.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964896AbXGLARq (ORCPT ); Wed, 11 Jul 2007 20:17:46 -0400 Subject: [PATCH 23/23] do_rmdir(): elevate write count To: linux-kernel@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk, hch@infradead.org, Dave Hansen From: Dave Hansen Date: Wed, 11 Jul 2007 17:17:41 -0700 References: <20070712001710.654CD9ED@kernel> In-Reply-To: <20070712001710.654CD9ED@kernel> Message-Id: <20070712001741.DAA48BFD@kernel> 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~do-rmdir-elevate-write-count fs/namei.c --- lxc/fs/namei.c~do-rmdir-elevate-write-count 2007-07-10 12:46:16.000000000 -0700 +++ lxc-dave/fs/namei.c 2007-07-10 12:46:16.000000000 -0700 @@ -2115,7 +2115,12 @@ 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); _