Re: [PATCH RFC v2] fhandle: expose u64 mount id to name_to_handle_at(2)

On Sun, May 26, 2024 at 10:32:39PM +0000, Trond Myklebust wrote:

I assume the reason is to give the caller a race free way to figure out
which submount the path resolves to.

But the handle op are global to the file systems (aka super_block).  It
does not matter what mount you use to access it.

Snip random things about userland NFS servers I couldn't care less
about..