[LU-10341] kkuc shoud send HALs only to suitable CTs

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.11.0, Lustre 2.10.4
• Labels: hsm
• Severity: 3
• Assignee: John Hammond
• Reporter: John Hammond

Description

When a client has multiple Lustre mounts and multiple copytools then using the current kkuc to delived HALs to CTs is inefficient since it broadcasts each HAL to all CT. This consumes kkuc pipe space and causes extra CT wakeups. So a UUID field to struct kkuc_reg to permit filtering HALs by the mount point UUID.