Changes since previous verion, from the NEWS file
2.8.x:
- More scalable directory tree locking
- Atomic open(O_TRUNC) support
- Support big write requests on kernels 2.6.26 and newer
- Out-of-tree fuse module removed
- Better NFS exporting support
- New ioctl and poll requests
- New CUSE (Character Device in Userspace) interface
- Allow umask processing in userspace
- Added cache invalidation notifications
- Bugfixes and small improvements
2.7.x:
- Stacking support for the high level API
- Add filename charset conversion module
- Improved mounting
2.6.x!
- Improved read characteristics (asynchronous reads)
- Support for aborting filesystem connection
- POSIX file locking support
- Request interruption support
- Building module for Linux kernels earlier than 2.6.9 not supported
- Allow block device based filesystems to support swap files
- Several bugs fixed, including a rare system hang on SMP
