On Fri, Sep 12, 2025 at 09:36:18PM +0100, Al Viro wrote: > On Fri, Sep 12, 2025 at 09:22:05PM +0200, Miklos Szeredi wrote: > > > You are talking about the disconnected directory case? That can't > > happen in this call path, since it's following a normal component from > > a parent directory, which by definition isn't disconnected. > > Huh? No, just a lookup in a different place with server giving you > the nodeid of the directory you had in that place in dcache. > d_splice_alias() has no choice other than "move the existing alias > into the right place" - directory inodes *can't* have multiple > hashed dentries, period. > > > Just realized, that open_last_lookups() will bypass lookup_open() on > > cached positive anyway, so really no point in handing that inside > > lookup_open(). > > IIRC, when the last time it came up, it was along the lines of "could > we call ->atomic_open() for positive dentries as well?" and I think > it had been about FUSE. The last iteration of those threads I've seen was in October 2023; has anything changed since then?