Add checks for delegation revoke.
Some formatting changes.

Signed-off-by: Srikrishan Malik <srimalik@in.ibm.com>
Break out of loop if we find a write delegation.

Signed-off-by: Srikrishan Malik <srimalik@in.ibm.com>
WIP: Code for CB_GETATTR
bugfix: use the correct client file entry in recall.

Signed-off-by: Srikrishan Malik <srimalik@in.ibm.com>