36 using size_func = uint64_t (*)(uint64_t size, int roots);
41 static int find_offset(uint64_t file_size, int roots, uint64_t *offset,  in find_offset()  argument
55     uint64_t mi = get_appr_size(file_size, roots);  in find_offset()
61         uint64_t total = mi + get_real_size(mi, roots);  in find_offset()
132     if (header.roots == 0 || header.roots >= FEC_RSM) {  in parse_ecc_header()
133         error("invalid ecc roots: %u", header.roots);  in parse_ecc_header()
136     if (f->ecc.roots != (int)header.roots) {  in parse_ecc_header()
137         error("unexpected number of roots: %d vs %u", f->ecc.roots,  in parse_ecc_header()
138             header.roots);  in parse_ecc_header()
141     if (header.fec_size % header.roots ||  in parse_ecc_header()
152             (uint32_t)f->ecc.rounds * f->ecc.roots * FEC_BLOCKSIZE) {  in parse_ecc_header()
482     data->roots = f->ecc.roots;  in fec_ecc_get_metadata()
508         int roots)  in fec_open()  argument
512     check(roots > 0 && roots < FEC_RSM);  in fec_open()
515         roots);  in fec_open()
535     f->ecc.roots = roots;  in fec_open()
536     f->ecc.rsn = FEC_RSM - roots;  in fec_open()