40                            int64_t offset, int64_t length, uint64_t addend,
808 /* @addend is the absolute value of the addend; if @decrease is set, @addend
812                 uint64_t addend, bool decrease, enum qcow2_discard_type type)  in update_refcount()  argument
822             " addend=%s%" PRIu64 "\n", offset, length, decrease ? "-" : "",  in update_refcount()
823             addend);  in update_refcount()
871         if (decrease ? (refcount - addend > refcount)  in update_refcount()
872                      : (refcount + addend < refcount ||  in update_refcount()
873                         refcount + addend > s->refcount_max))  in update_refcount()
879             refcount -= addend;  in update_refcount()
881             refcount += addend;  in update_refcount()
927         dummy = update_refcount(bs, offset, cluster_offset - offset, addend,  in update_refcount()
938  * @addend is the absolute value of the addend; if @decrease is set, @addend
945                                   uint64_t addend, bool decrease,  in qcow2_update_cluster_refcount()  argument
951     ret = update_refcount(bs, cluster_index << s->cluster_bits, 1, addend,  in qcow2_update_cluster_refcount()
1245     int64_t l1_table_offset, int l1_size, int addend)  in qcow2_update_snapshot_refcount()  argument
1255     assert(addend >= -1 && addend <= 1);  in qcow2_update_snapshot_refcount()
1323                         if (addend != 0) {  in qcow2_update_snapshot_refcount()
1331                                 abs(addend), addend < 0,  in qcow2_update_snapshot_refcount()
1358                         if (addend != 0) {  in qcow2_update_snapshot_refcount()
1360                                 bs, cluster_index, abs(addend), addend < 0,  in qcow2_update_snapshot_refcount()
1386                         if (addend > 0) {  in qcow2_update_snapshot_refcount()
1399             if (addend != 0) {  in qcow2_update_snapshot_refcount()
1402                                                     abs(addend), addend < 0,  in qcow2_update_snapshot_refcount()
1431     /* Update L1 only if it isn't deleted anyway (addend = -1) */  in qcow2_update_snapshot_refcount()
1432     if (ret == 0 && addend >= 0 && l1_modified) {  in qcow2_update_snapshot_refcount()