314     uint64_t cluster_offset;  in qcow_is_allocated()  local
317     cluster_offset = qcow2_get_cluster_offset(bs, sector_num << 9, pnum);  in qcow_is_allocated()
319     return (cluster_offset != 0);  in qcow_is_allocated()
345     uint64_t cluster_offset;  member
402     if (!acb->cluster_offset) {  in qcow_aio_read_cb()
404     } else if (acb->cluster_offset & QCOW_OFLAG_COMPRESSED) {  in qcow_aio_read_cb()
426     acb->cluster_offset =  in qcow_aio_read_cb()
430     if (!acb->cluster_offset) {  in qcow_aio_read_cb()
456     } else if (acb->cluster_offset & QCOW_OFLAG_COMPRESSED) {  in qcow_aio_read_cb()
458         if (qcow2_decompress_cluster(s, acb->cluster_offset) < 0)  in qcow_aio_read_cb()
466         if ((acb->cluster_offset & 511) != 0) {  in qcow_aio_read_cb()
475                             (acb->cluster_offset >> 9) + index_in_cluster,  in qcow_aio_read_cb()
512     acb->cluster_offset = 0;  in qcow_aio_setup()
545     if (qcow2_alloc_cluster_link_l2(bs, acb->cluster_offset, &acb->l2meta) < 0) {  in qcow_aio_write_cb()
546         qcow2_free_any_clusters(bs, acb->cluster_offset, acb->l2meta.nb_clusters);  in qcow_aio_write_cb()
566     acb->cluster_offset = qcow2_alloc_cluster_offset(bs, acb->sector_num << 9,  in qcow_aio_write_cb()
569     if (!acb->cluster_offset || (acb->cluster_offset & 511) != 0) {  in qcow_aio_write_cb()
588                                     (acb->cluster_offset >> 9) + index_in_cluster,  in qcow_aio_write_cb()
838     uint64_t cluster_offset;  in qcow_write_compressed()  local
843         cluster_offset = bdrv_getlength(s->hd);  in qcow_write_compressed()
844         cluster_offset = (cluster_offset + 511) & ~511;  in qcow_write_compressed()
845         bdrv_truncate(s->hd, cluster_offset);  in qcow_write_compressed()
883         cluster_offset = qcow2_alloc_compressed_cluster_offset(bs,  in qcow_write_compressed()
885         if (!cluster_offset)  in qcow_write_compressed()
887         cluster_offset &= s->cluster_offset_mask;  in qcow_write_compressed()
888         if (bdrv_pwrite(s->hd, cluster_offset, out_buf, out_len) != out_len) {  in qcow_write_compressed()