Illumos/gate a0b03b1 — usr/src/cmd/zdb zdb.c, usr/src/test/zfs-tests/tests/functional/cli_root/zpool_import import_rewind_config_changed.ksh
10330 merge recent ZoL vdev and metaslab changes
Reviewed by: Matt Ahrens <mahrens at delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1 at llnl.gov>
Reviewed by: Don Brady <don.brady at delphix.com>
Reviewed by: Gergő Mihály Doma <domag02 at gmail.com>
Reviewed by: Kody Kantor <kody.kantor at joyent.com>
Approved by: Joshua M. Clulow <josh at sysmgr.org>
UnifiedSplitRaw