Symbol: HDR_EQUAL
usr/src/uts/common/fs/zfs/arc.c
877
if (HDR_EQUAL(spa, dva, birth, hdr)) {
usr/src/uts/common/fs/zfs/arc.c
915
if (HDR_EQUAL(hdr->b_spa, &hdr->b_dva, hdr->b_birth, fhdr))