MORE Use proper refcounting of state_t and owner in nfs4_op_open_downgrade

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
MORE Add safety to struct state_t

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
MORE Use proper refcounting of state_t and owner in nfs4_op_close

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
SQUASH Cleanup state_lookup_layout_state

NEW TITLE:

Cleanup state_lookup_layout_state and use safe check of state_owner

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
Safely access state_owner in NFS 4 LOCK, LOCKU, OPEN, OPEN_CONFIRM, READ, WRITE

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
MORE Add safety to struct state_t

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
Safely access state_owner in NFS 4 LOCK and OPEN

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
SQUASH ??? Eliminate separate deleg_data structue

Edit title...

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>