--- src/sys/vfs/hammer/hammer_object.c	2008/07/18 00:21:09	1.90.2.1
+++ src/sys/vfs/hammer/hammer_object.c	2008/07/19 04:51:09	1.90.2.2
@@ -674,6 +674,10 @@ hammer_ip_add_directory(struct hammer_tr
 		ip->flush_state = HAMMER_FST_SETUP;
 	}
 	error = hammer_mem_add(record);
+	if (error == 0) {
+		dip->ino_data.mtime = trans->time;
+		hammer_modify_inode(dip, HAMMER_INODE_MTIME);
+	}
 failed:
 	hammer_done_cursor(&cursor);
 	return(error);
@@ -769,6 +773,8 @@ hammer_ip_del_directory(struct hammer_tr
 			hammer_inode_unloadable_check(ip, 1);
 			hammer_flush_inode(ip, 0);
 		}
+		dip->ino_data.mtime = trans->time;
+		hammer_modify_inode(dip, HAMMER_INODE_MTIME);
 
 	}
 	return(error);