zfs: merge openzfs/zfs@9198de8f1

zfs: merge openzfs/zfs@9198de8f1

Notable upstream pull request merges:
 #15197 3bd4df384 Improve ZFS objset sync parallelism
 #15455 020f6fd09 FreeBSD: Implement taskq_init_ent()
 #15476 3d86999c7 sa_lookup() ignores buffer size
 #15478 2a154b848 Fix accounting error for pending sync IO ops in
                  zpool iostat
 #15484 dc45a00ea Add kern.features.zfs
 #15486 e36ff84c3 Update the kstat dataset_name when renaming a zvol
 #15491 f4cd1bac7 Make abd_raidz_gen_iterate() pass an initialized
                  pointer to the callback
 #15495 58398cbd0 FreeBSD: Optimize large kstat outputs

Obtained from:	OpenZFS
OpenZFS commit:	9198de8f1079a8bbb837de3e3f8e236777b1375d