On Mon, Aug 29, 2022 at 11:59:02AM +1000, NeilBrown wrote: > > When would we get out of __lookup_hash() with in-lookup dentry? > > Confused... > > Whenever wq is passed in and ->lookup() decides, based on the flags, to do > nothing. > NFS does this for LOOKUP_CREATE|LOOKUP_EXCL and for LOOKUP_RENAME_TARGET Frankly, I would rather do what all other callers of ->lookup() do and just follow it with d_lookup_done(dentry), no matter what it returns. It's cheap enough...
