zfs: merge openzfs/zfs@1147a2797

Notable upstream pull request merges:
#16209 --multi-- icp: rip out everything we don't use
#16230 20c8bdd85 FreeBSD: Update use of UMA-related symbols in

zfs: merge openzfs/zfs@1147a2797

Notable upstream pull request merges:
#16209 --multi-- icp: rip out everything we don't use
#16230 20c8bdd85 FreeBSD: Update use of UMA-related symbols in
arc_available_memory
#16242 121a2d335 FreeBSD: unregister mountroot eventhandler on unload
#16258 5de3ac223 vdev_open: clear async fault flag after reopen
#16270 436731276 zvol: Fix suspend lock leaks
#16273 c87cb22ba head_errlog: fix use-after-free
#16284 f72e081fb FreeBSD: Use a statement expression to implement
SET_ERROR()
#16300 a10faf5ce FreeBSD: Use the new freeuio() helper to free dynamically
allocated UIOs
#16302 a7fc4c85e zstd: don't call zstd_mempool_reap if there are no buffers
#16334 dc91e7452 zdb: dump ZAP_FLAG_UINT64_KEY ZAPs properly

Obtained from: OpenZFS
OpenZFS commit: 1147a279785329a2eaeb01c0610c35fe835a62a6

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