From: Erez Zadok <[EMAIL PROTECTED]>

Signed-off-by: Erez Zadok <[EMAIL PROTECTED]>
Signed-off-by: Josef 'Jeff' Sipek <[EMAIL PROTECTED]>
---
 fs/unionfs/rename.c |   30 ++++++++++++++++++++++++++++--
 1 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/fs/unionfs/rename.c b/fs/unionfs/rename.c
index 4de984e..f8ea37a 100644
--- a/fs/unionfs/rename.c
+++ b/fs/unionfs/rename.c
@@ -457,18 +457,44 @@ int unionfs_rename(struct inode *old_dir, struct dentry 
*old_dentry,
                }
        }
        err = do_unionfs_rename(old_dir, old_dentry, new_dir, new_dentry);
-
 out:
        if (err)
                /* clear the new_dentry stuff created */
                d_drop(new_dentry);
-       else
+       else {
                /*
                 * force re-lookup since the dir on ro branch is not renamed,
                 * and lower dentries still indicate the un-renamed ones.
                 */
                if (S_ISDIR(old_dentry->d_inode->i_mode))
                        atomic_dec(&UNIONFS_D(old_dentry)->generation);
+               if (new_dentry->d_inode &&
+                   !S_ISDIR(new_dentry->d_inode->i_mode)) {
+                       if (!unionfs_lower_inode(new_dentry->d_inode)) {
+                               /*
+                                * If we get here, it means that no copyup
+                                * was needed, and that a file by the old
+                                * name already existing on the destination
+                                * branch; that file got renamed earlier in
+                                * this function, so all we need to do here
+                                * is set the lower inode.
+                                */
+                               struct inode *inode;
+                               inode = unionfs_lower_inode(
+                                       old_dentry->d_inode);
+                               igrab(inode);
+                               unionfs_set_lower_inode_idx(
+                                       new_dentry->d_inode,
+                                       dbstart(new_dentry), inode);
+                       }
+
+               }
+               /* if all of this renaming succeeded, update our times */
+               unionfs_copy_attr_times(old_dir);
+               unionfs_copy_attr_times(new_dir);
+               unionfs_copy_attr_times(old_dentry->d_inode);
+               unionfs_copy_attr_times(new_dentry->d_inode);
+       }
 
        unionfs_unlock_dentry(new_dentry);
        unionfs_unlock_dentry(old_dentry);
-- 
1.5.2.2.238.g7cbf2f2

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