zfs: merge openzfs/zfs@4647353c8
Notable upstream pull request merges:
#15240 bbac1d297 Update the behavior of mountpoint property
#15240 c63aabaf1 Improve the handling of sharesmb,sharenfs properties
#15248 741c215ba Fix l2arc_apply_transforms ztest crash
#15274 ee720ad7b Retire z_nr_znodes
#15278 90149552b ZIL: Fix potential race on flush deferring
#15279 e923bcd16 Update the MOS directory on spa_upgrade_errlog()
#15281 529bec7d7 zed: Allow autoreplace and fault LEDs for removed vdevs
#15288 7228ba111 cmd: add 'help' subcommand to zpool and zfs
#15297 4647353c8 status: report pool suspension state under
failmode=continue
Obtained from: OpenZFS
OpenZFS commit: 4647353c8b2b5ca506da45bb9b01e1f3ef521847