Good news and great contribution from HP. You can study all those advanced features for academic project.
AdvFS is a file system that was developed by Digital Equipment Corp and continues to be part of HP's
Tru64 operating system. It offers many advanced features. Continuing its efforts to advance customer adoption of Linux, HP today announced the contribution of its Tru64 UNIX Advanced File System (AdvFS) source code to the open source community. The code on this site is licensed under the GPLv2 to be compatible with the Linux kernel.
The AdvFS source code includes capabilities that increase uptime, enhance security and help ensure maximum performance of Linux file systems. HP will contribute the code as a reference implementation of an enterprise Linux file system under the terms of General Public License Version 2 for compatibility with the Linux kernel, as well as provide design documentation, test suites and engineering resources.
- Download Tru64 UNIX Advanced File System (AdvFS) Source Code.
- Press Release: HP Contributes Source Code to Open Source Community to Advance Adoption of Linux
Now the million dollar question - Is there any reason to pick AdvFS fs over any of the other 20+ file systems such as XFS/ext2/ext3 under Linux?