Filelock: SoftReadWriteLock Follows A Lock Tree Swapped In After Its First Acquire And Writes Lock Records Into Director

"SoftReadWriteLock" and "AsyncSoftReadWriteLock", which wraps one checks once per lock object, by name, that ".rw", ".rw/gen" and ".rw/holders" are real directories and not symbolic links files that redirect to another path. It then keeps only a boolean. Every later record operation resolves the...