Re: [fuse-devel] delta filesystem prototype

[hooanon05@yahoo.co.jp]

Goswin von Brederlow:
> > Miklos Szeredi:
> >> The most interesting is the directory and metadata deltas, which do
> >> make a delta-fs like implementation much more effective and nicer as a
> >> dumb union type filesystem.  Mind, unionfs and aufs are rapidly
> >> acquiring non-union traits, like inode number storage, virtual hard
> >> links (not to speak of whiteouts).  Which makes them all the more
> >> hackish, I much prefer a conceptually clean solution.
	:::
> Use a filename -> inode indirection and delta based on inode
> numbers. Although the you also have to consider the device id in case
> there are multiple filesystem mounted in your read-only branch. So
> filename -> (dev, inode).

Agreed.
While Miklos seems to dislike the inum table, it is necessary I think.


J. R. Okajima