Library file systems
Goal: libFS as powerful as privileged FS
e.g., LFS, FFS, in libFS
libFSes control: caching, layout, write orders, …
Cache coherence using buffer cache registry
Key: guarentee different libFSes can safely share the *same* disk blocks
Disk
Cache
Unix-FS
emacs
Previous slide
Next slide
Back to first slide
View graphic version