[LU-13617] Client dead lock leads to eviction from MDS (selinux is enabled)

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.14.0
• Affects Version/s: Lustre 2.14.0, Lustre 2.12.7, Lustre 2.12.8
• Labels: patch
• Severity: 3
• Assignee: Alexander Boyko
• Reporter: Alexander Boyko

Description

One thread got PR lock and waited on inode_lock to notify security context. Another thread got inode_lock and waited on CW lock(conflicts with PR). After timeout the client was evicted, it didn't cancel a PR lock. The dead lock happens on a parent directory.