[LU-2915] LFSCK 1.5 technical debts

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.5.0
• Affects Version/s: Lustre 2.4.0, Lustre 2.5.0
• Labels: LB
• Severity: 3
• Assignee: nasf (Inactive)
• Reporter: nasf (Inactive)

Description

1) Not hold spin_lock when call dt iteration API(s).

2) Verify file nlink when does not match linkEA entries count.

3) Repeated linkEA entries check/repair.

Issue Links

• is related to: LU-3332 sanity-scrub and sanity-lfsck need to support DNE