From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Hansen Subject: [RFC][PATCH 03/27] do_rmdir(): elevate write count Date: Wed, 07 Jun 2006 17:10:16 -0700 Message-ID: <20060608001016.24B1A11B@localhost.localdomain> References: <20060608001013.0D041507@localhost.localdomain> Cc: herbert@13thfloor.at, viro@ftp.linux.org.uk, hch@infradead.org, trond.myklebust@fys.uio.no, Dave Hansen Return-path: Received: from e34.co.us.ibm.com ([32.97.110.152]:56804 "EHLO e34.co.us.ibm.com") by vger.kernel.org with ESMTP id S932478AbWFHAK2 (ORCPT ); Wed, 7 Jun 2006 20:10:28 -0400 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e34.co.us.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id k580AKDJ010947 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 7 Jun 2006 20:10:20 -0400 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay04.boulder.ibm.com (8.13.6/NCO/VER7.0) with ESMTP id k580AK8W094450 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 7 Jun 2006 18:10:20 -0600 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id k580AJex008118 for ; Wed, 7 Jun 2006 18:10:20 -0600 To: linux-fsdevel@vger.kernel.org In-Reply-To: <20060608001013.0D041507@localhost.localdomain> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Elevate the write count during the vfs_rmdir() call. There will be a lot of patches similar to this one coming up. Signed-off-by: Dave Hansen --- lxc-dave/fs/namei.c | 5 +++++ 1 files changed, 5 insertions(+) diff -puN fs/namei.c~rmdir1 fs/namei.c --- lxc/fs/namei.c~rmdir1 2006-06-07 16:53:13.000000000 -0700 +++ lxc-dave/fs/namei.c 2006-06-07 16:53:13.000000000 -0700 @@ -2012,7 +2012,12 @@ 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); _