Kernel mode Archives - Angel Hernandez

MetaFS (Metadata File System for Windows)

Posted on June 16, 2015December 23, 2016 by angelh

FileSystems are the storage backbone for any computer system, in Today’s operating systems most of them provide a common functionality set like journaling, security and metadata among others. In my humble opinion, metadata is one of the most important ones, reason being is that they can tell users about the contents of the file without […]

Communication between user and kernel-mode

Posted on April 30, 2015December 23, 2016 by angelh

As a follow-up post on Windows Services and Minifilters, Today I’ll explain one way we can send notifications from kernel-mode to an user-mode application. Let’s remember Windows provides fault tolerance protection in the form of rings, thus an offending code in one of the rings should not compromise the stability of the system. My metadata […]

Native Windows Service Example

Posted on February 8, 2015February 4, 2022 by angelh

Hi Community, This blog post describes and explains the steps required to build a native Windows Service. One of the projects I’m currently working on is about a metadata filesystem for Windows (Similar to what WinFS was supposed to be but different in many aspects, mainly because users will have a greater level of customization […]