vfs: inline getname()

It is merely a trivial wrapper around getname_flags which adds a zeroed
argument, no point paying for an extra call.

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20250206000105.432528-1-mjguzik@gmail.com


Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>