Symbol: zfs_hold_one
usr/src/lib/libzfs/common/libzfs_dataset.c
4896
rv = zfs_iter_filesystems(zhp, zfs_hold_one, ha);
usr/src/lib/libzfs/common/libzfs_dataset.c
4912
(void) zfs_hold_one(zfs_handle_dup(zhp), &ha);