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

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On Tue, May 28, 2024 at 03:28:18PM +0200, Miklos Szeredi wrote:
> > open_by_handle_at looks up the superblock based on that identifier.
> 
> The open file needs a specific mount, holding the superblock is not
> sufficient.

A strut file needs a vfsmount, yes.  And it better be reachable by
the calling process.  And maybe an optional restriction to a specific
mount by the caller might be useful, but I can't see how it is
required.





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