[LU-11719] Refactor search_itree

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.13.0, Lustre 2.12.6
• Labels: patch
• Severity: 3
• Assignee: Patrick Farrell
• Reporter: Patrick Farrell

Description

The behavior of search_itree is different from its close relative search_queue in ways that are a little confusing.  Also, in some cases, it will continue searching the trees after a lock has been found.

This is a low priority bug to slightly refactor its behavior, inspired because the difference between search_itree and search_queue introduced a subtle bug in the LU-11670 patch.

Issue Links

• is related to: LU-13908 ldlm_lock_put()) ASSERTION( (((( lock))->l_flags & (1ULL << 50)) != 0) ) failed
• is related to: LU-11670 Incorrect size when using lockahead