- Provide an option for a file system to support close wtih
references held. This can happen in more complex file systems
and file descriptor handling with more complete reference
handling implementations where an fd can hold other fds and
close can be call on any fd and succeed.
- Fix open IOP leaks in the error paths.
- Provide better definition of the IOP flags to help clarify
the code.
Fixes#5201Closes#5311
0cf6de01df