[LU-20186] Improve the metrics for aio and pages

• Type: Improvement
• Resolution: Unresolved
• Priority: Medium
• Severity: 3
• Assignee: Jinshan Xiong
• Reporter: Jinshan Xiong

Description

When performing file reads or writes using async I/O engines via libaio, the operations and their corresponding throughput/latency metrics are populated in the Lustre client statistics improperly because of -EIOCBQUEUED.

Patch is coming soon