[LU-1684] move ldlm flags not sent through wire to upper 32bits

• Type: Improvement
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.4.0
• Affects Version/s: Lustre 2.4.0
• Labels: patch
• Assignee: Keith Mannthey (Inactive)
• Reporter: Vitaly Fertman

Description

there is no empty bit for a LDLM_FL_* flag in lower 32bits, i.e. which needs to be sent through wire. move locally used flags to upper 32bits to free some bits.