[LU-11542] Race between imp_state and imp_invalid

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.13.0, Lustre 2.12.3
• Severity: 3
• Assignee: Yang Sheng
• Reporter: Yang Sheng

Description

In import operation, We set import to LUSTRE_IMP_DISCON and then set imp_invalid for unplayable import in some case. Someone may set this import up between those two operation. So we will have a FULL state import with invalid be setted.