K 10
svn:author
V 6
kevans
K 8
svn:date
V 27
2019-06-10T16:36:31.275439Z
K 7
svn:log
V 337
MFC r342747 (mmacy): zfsboot: support newer ZFS versions

declare v3 objset size/layout to fix userboot and possibly other loader
issues

- fix for userboot assertion failure in zfs_dev_close in free due to out of
  bounds write
- fix for zfs_alloc / zfs_free mismatch assertion failure when booting GPT
  on BIOS

Approved by:	re (gjb)

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