What is a TMF deadlock?

A.
a condition whereby the Enscribe file system cannot access disk cache because of faulted memory
B.
a situation in which two transactions cannot proceed because they are each waiting for a resource
held by the other
C.
a race condition between multiple processors attempting to access the same TMF-protected data
on a single disk drive
D.
a situation where multiple requesters have requested identical services from TMF and compete
for system resources