Symbol: MZAP_MAX_BLKSZ
sys/cddl/boot/zfs/zfsimpl.h
1522
((MZAP_MAX_BLKSZ - sizeof(mzap_phys_t)) / sizeof(mzap_ent_phys_t) + 1)
usr.sbin/makefs/zfs/zap.c
217
assert(bytes <= (off_t)MZAP_MAX_BLKSZ);