On Mon, Aug 25, 2025 at 05:43:23AM +0100, Al Viro wrote: > We want to mount beneath the given location. For that operation to > make sense, location must be the root of some mount that has something > under it. Currently we let it proceed if those requirements are not met, > with rather meaningless results, and have that bogosity caught further > down the road; let's fail early instead - do_lock_mount() doesn't make > sense unless those conditions hold, and checking them there makes > things simpler. > > Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > --- Well, do_lock_mount() was already convoluted enough that didn't want that in there as well. But I don't care, Reviewed-by: Christian Brauner <brauner@xxxxxxxxxx>
