xfarray_bytes
bytes = xfarray_bytes(rx->xattr_records) +
ret = xfarray_bytes(rx->pptr_recs) > 0;
ASSERT(xfarray_bytes(rx->xattr_records) == 0);
bytes = xfarray_bytes(rd->dir_entries) + xfblob_bytes(rd->dir_names);
bytes = xfarray_bytes(rp->xattr_records) +
if (xfarray_bytes(rp->xattr_records) == 0)
bytes = xfarray_bytes(rp->pptr_recs) + xfblob_bytes(rp->pptr_names);
unsigned long long xfarray_bytes(struct xfarray *array);