If I rund this on the md/md-6.9-for-hch branch all the hangs I was previously seeing in the lvm2 test suite are gone. Still a bunchof failures, though:
### 427 tests: 284 passed, 127 skipped, 0 timed out, 3 warned, 13 failed
- [PATCH 1/6] md: Revert "md: Don't register sync_thr... Xiao Ni
- [PATCH 2/6] md: Revert "md: Make sure md_do_sync() ... Xiao Ni
- [PATCH 3/6] md: Revert "md: Don't ignore suspended ... Xiao Ni
- [PATCH 4/6] dm-raid/md: Clear MD_RECOVERY_WAIT when stop... Xiao Ni
- [PATCH 5/6] md: Set MD_RECOVERY_FROZEN before stop sync ... Xiao Ni
- [PATCH 6/6] md/raid5: Don't check crossing reshape when ... Xiao Ni
- Re: [PATCH 0/6] Fix dmraid regression bugs Christoph Hellwig
- Re: [PATCH 0/6] Fix dmraid regression bugs Yu Kuai
