6595467 libzfs consumers should be allowed to write their own history (or none at all) 6595470 zpool_stage_history() should take a single string 6596228 zfs upgrade -a doesn't always log to all pools
6595467 libzfs consumers should be allowed to write their own history (or none at all)
6595470 zpool_stage_history() should take a single string
6596228 zfs upgrade -a doesn't always log to all pools

jpeach/zfsd,jpeach/zfsd,jpeach/zfsd,jpeach/zfsd,jpeach/zfsd