[LU-2211] quota slave should cap how long a service thread can wait for quota

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.4.0
• Affects Version/s: Lustre 2.4.0
• Assignee: Johann Lombardi (Inactive)
• Reporter: Johann Lombardi (Inactive)

Description

It would be great to cap how long a service thread can wait for quota space in qsd.
We should also remove enum qsd_ops.