[LU-1876] Layout Lock Server Patch Landings to Master

• Type: New Feature
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.4.0
• Affects Version/s: Lustre 2.4.0
• Labels: HSM
• Assignee: Jinshan Xiong (Inactive)
• Reporter: Jodi Levi (Inactive)

Description

This is the ticket to use to land patches to Master for Layout Lock Server.

Issue Links

• is duplicated by: LU-2652 lov_io.c:222:lov_sub_get()) ASSERTION( stripe < lio->lis_stripe_count ) failed
• is related to: LU-2252 Test failure on test suite sanity, subtest test_118k
• is related to: LU-2404 Many threads stuck on cfs_down_read of lov->lo_type_guard
• is related to: LU-4152 layout locks can cause deadlock
• is related to: LU-3608 HSM Master Ticket for 2.5 Landings