Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761069AbXKAXMQ (ORCPT ); Thu, 1 Nov 2007 19:12:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757778AbXKAXIr (ORCPT ); Thu, 1 Nov 2007 19:08:47 -0400 Received: from e32.co.us.ibm.com ([32.97.110.150]:42604 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756854AbXKAXIq (ORCPT ); Thu, 1 Nov 2007 19:08:46 -0400 Subject: [PATCH 07/27] r-o-bind-mounts-do_rmdir-elevate-write-count To: akpm@osdl.org Cc: linux-kernel@vger.kernel.org, miklos@szeredi.hu, hch@infradead.org, Dave Hansen From: Dave Hansen Date: Thu, 01 Nov 2007 16:08:35 -0700 References: <20071101230826.9A4F6E00@kernel> In-Reply-To: <20071101230826.9A4F6E00@kernel> Message-Id: <20071101230835.0185DD99@kernel> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1181 Lines: 35 Elevate the write count during the vfs_rmdir() call. Signed-off-by: Dave Hansen Acked-by: Christoph Hellwig Signed-off-by: Andrew Morton Acked-by: Serge Hallyn --- linux-2.6.git-dave/fs/namei.c | 5 +++++ 1 file changed, 5 insertions(+) diff -puN fs/namei.c~r-o-bind-mounts-do_rmdir-elevate-write-count fs/namei.c --- linux-2.6.git/fs/namei.c~r-o-bind-mounts-do_rmdir-elevate-write-count 2007-11-01 14:46:09.000000000 -0700 +++ linux-2.6.git-dave/fs/namei.c 2007-11-01 14:46:09.000000000 -0700 @@ -2174,7 +2174,12 @@ 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); _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/