[Unionfs] UNIONFS_MMAP (was: rw nfs branch ...)

[hooanon05 at yahoo.co.jp]

Shaya Potter:
> another comment, I tried to the "mapping" flip trick, but from my
> experience, that really wont work with regular linux file systems, as it
> depends on the buffer's being consistent (for instance for ext2/3),
> which is not the case if copyup happens.

Very interesting. I am considering about that.
Have you tried remap_pfn_range()?


> people should try doing this test.

branch add/delete test will be needed too.


Junjiro Okajima