[PATCH] fuse: fix conversion of fuse_reverse_inval_entry() to start_removing()

[Al Viro]

On Mon, Dec 01, 2025 at 09:22:54AM +0100, Amir Goldstein wrote:

> I don't think there is a point in optimizing parallel dir operations
> with FUSE server cache invalidation, but maybe I am missing
> something.

The interesting part is the expected semantics of operation;
d_invalidate() side definitely doesn't need any of that cruft,
but I would really like to understand what that function
is supposed to do.

Miklos, could you post a brain dump on that?