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8423 8199 7432 Implement large_dnode pool feature 7432 Large dnode pool feature 8199 multi-threaded dmu_object_alloc() 8423 Implement large_dnode pool feature 10406 large_dnode changes broke zfs recv of legacy stream llumos/illumos-gate@54811da5ac54811da5achttps://www.illumos.org/issues/8423 https://www.illumos.org/issues/8199 https://www.illumos.org/issues/7432 illumos/illumos-gate@811964cd9f811964cd9fhttps://www.illumos.org/issues/10406 ZoL issues: Improved dnode allocation #6564 Clean up large dnode code #6262 Fix dnode_hold() freeing dnode behavior #8172 Fix dnode allocation race #6414, #6439 Partial: Raw sends must be able to decrease nlevels #6821, #6864 Remove unnecessary txg syncs from receive_object() Closes #7197 This updates FreeBSD large_dnode code (that was imported from ZoL) to a version that was committed to illumos. It has some cleanups, improvements and fixes comparing to what we have in FreeBSD now. I think that the most significant update is 8199 multi-threaded dmu_object_alloc(). This commit reverts r351077 that was a revert of r351074 and r351076 and restores those changes. Required atomic operations should be available now on all platforms where we build ZFS. Obtained from: illumos MFC after: 3 weeks