From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756971Ab1IAAaw (ORCPT ); Wed, 31 Aug 2011 20:30:52 -0400 Received: from e7.ny.us.ibm.com ([32.97.182.137]:59751 "EHLO e7.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756584Ab1IAAat (ORCPT ); Wed, 31 Aug 2011 20:30:49 -0400 Subject: [PATCH 02/16] ext4: ext4_rename should dirty dir_bh with the correct directory To: Andreas Dilger , Theodore Tso , "Darrick J. Wong" From: "Darrick J. Wong" Cc: Sunil Mushran , Amir Goldstein , linux-kernel , Andi Kleen , Mingming Cao , Joel Becker , linux-fsdevel , linux-ext4@vger.kernel.org, Coly Li Date: Wed, 31 Aug 2011 17:30:44 -0700 Message-ID: <20110901003043.31048.48270.stgit@elm3c44.beaverton.ibm.com> In-Reply-To: <20110901003030.31048.99467.stgit@elm3c44.beaverton.ibm.com> References: <20110901003030.31048.99467.stgit@elm3c44.beaverton.ibm.com> User-Agent: StGit/0.15 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When ext4_rename performs a directory rename (move), dir_bh is a buffer that is modified to update the '..' link in the directory being moved (old_inode). However, ext4_handle_dirty_metadata is called with the old parent directory inode (old_dir) and dir_bh, which is incorrect because dir_bh does not belong to the parent inode. Fix this error. Signed-off-by: Darrick J. Wong --- fs/ext4/namei.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 815c31a..f778a54 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2529,7 +2529,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry, PARENT_INO(dir_bh->b_data, new_dir->i_sb->s_blocksize) = cpu_to_le32(new_dir->i_ino); BUFFER_TRACE(dir_bh, "call ext4_handle_dirty_metadata"); - retval = ext4_handle_dirty_metadata(handle, old_dir, dir_bh); + retval = ext4_handle_dirty_metadata(handle, old_inode, dir_bh); if (retval) { ext4_std_error(old_dir->i_sb, retval); goto end_rename;