Pull NFS client bugfixes from Trond Myklebust:
- Fix a NFSv4 state manager deadlock when returning a delegation
- NFSv4.2 copy do not allocate memory under the lock
- flexfiles: Use the correct stateid for IO in the tightly coupled case
* tag 'nfs-for-4.20-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
flexfiles: use per-mirror specified stateid for IO
NFSv4.2 copy do not allocate memory under the lock
NFSv4: Fix a NFSv4 state manager deadlock