HomeFreeBSD

MFC r358381: use ZFS_MAX_DATASET_NAME_LEN instead of MAXPATHLEN for dataset…

Description

MFC r358381: use ZFS_MAX_DATASET_NAME_LEN instead of MAXPATHLEN for dataset names

The change affects only FreeBSD specific code as the common code already
mostly uses the more idiomatic and correct ZFS_MAX_DATASET_NAME_LEN.

Details