Merge patch series "VFS: change kern_path_locked() and user_path_locked_at() to never...

NeilBrown <neilb@suse.de> says:

I found these opportunities for simplification as part of my work to
enhance filesystem directory operations to not require an exclusive
lock on the directory.
There are quite a collection of users of these interfaces incluing NFS,
smb/server, bcachefs, devtmpfs, and audit.  Hence the long Cc line.

* patches from https://lore.kernel.org/r/20250217003020.3170652-2-neilb@suse.de:
  VFS: add common error checks to lookup_one_qstr_excl()
  VFS: change kern_path_locked() and user_path_locked_at() to never return negative dentry

Link: https://lore.kernel.org/r/20250217003020.3170652-2-neilb@suse.de
Signed-off-by: Christian Brauner <brauner@kernel.org>