hfsplus: remove unnecessary dentry_unhash on rmdir, dir rename

hfsplus does not have problems with references to unlinked directories.
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/hfsplus/dir.c

@@ -370,8 +370,6 @@ static int hfsplus_rmdir(struct inode *dir, struct dentry *dentry)
 	struct inode *inode = dentry->d_inode;
 	int res;
 
-	dentry_unhash(dentry);
-
 	if (inode->i_size != 2)
 		return -ENOTEMPTY;
 
@@ -469,12 +467,10 @@ static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry,
 
 	/* Unlink destination if it already exists */
 	if (new_dentry->d_inode) {
-		if (S_ISDIR(new_dentry->d_inode->i_mode)) {
-			dentry_unhash(new_dentry);
+		if (S_ISDIR(new_dentry->d_inode->i_mode))
 			res = hfsplus_rmdir(new_dir, new_dentry);
-		} else {
+		else
 			res = hfsplus_unlink(new_dir, new_dentry);
-		}
 		if (res)
 			return res;
 	}