Merge patch series "prep patches for my mkdir series"

NeilBrown <neilb@suse.de> says:

These two patches are cleanup are dependencies for my mkdir changes and
subsequence directory locking changes.

* patches from https://lore.kernel.org/r/20250226062135.2043651-1-neilb@suse.de: (2 commits)
  nfsd: drop fh_update() from S_IFDIR branch of nfsd_create_locked()
  nfs/vfs: discard d_exact_alias()

Link: https://lore.kernel.org/r/20250226062135.2043651-1-neilb@suse.de


Signed-off-by: Christian Brauner <brauner@kernel.org>