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Subjectfile metadata via fs API (was: [GIT PULL] Filesystem Information)
On Tue, Aug 4, 2020 at 4:36 PM Miklos Szeredi <miklos@szeredi.hu> wrote:

> I think we already lost that with the xattr API, that should have been
> done in a way that fits this philosophy. But given that we have "/"
> as the only special purpose char in filenames, and even repetitions
> are allowed, it's hard to think of a good way to do that. Pity.

One way this could be solved is to allow opting into an alternative
path resolution mode.

E.g.
openat(AT_FDCWD, "foo/bar//mnt/info", O_RDONLY | O_ALT);

Yes, the implementation might be somewhat tricky, but that's another
question. Also I'm pretty sure that we should be reducing the
POSIX-ness of anything below "//" to the bare minimum. No seeking,
etc....

I think this would open up some nice possibilities beyond the fsinfo thing.

Thanks,
Miklos

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