96 decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset);
366     uint64_t *l2_table, cluster_offset, tmp;  in get_cluster_offset()  local
437     cluster_offset = be64_to_cpu(l2_table[l2_index]);  in get_cluster_offset()
438     if (!cluster_offset ||  in get_cluster_offset()
439         ((cluster_offset & QCOW_OFLAG_COMPRESSED) && allocate == 1)) {  in get_cluster_offset()
445         if ((cluster_offset & QCOW_OFLAG_COMPRESSED) &&  in get_cluster_offset()
450             if (decompress_cluster(bs, cluster_offset) < 0) {  in get_cluster_offset()
453             cluster_offset = bdrv_co_getlength(bs->file->bs);  in get_cluster_offset()
454             if ((int64_t) cluster_offset < 0) {  in get_cluster_offset()
455                 return cluster_offset;  in get_cluster_offset()
457             cluster_offset = QEMU_ALIGN_UP(cluster_offset, s->cluster_size);  in get_cluster_offset()
460             ret = bdrv_co_pwrite(bs->file, cluster_offset, s->cluster_size,  in get_cluster_offset()
466             cluster_offset = bdrv_co_getlength(bs->file->bs);  in get_cluster_offset()
467             if ((int64_t) cluster_offset < 0) {  in get_cluster_offset()
468                 return cluster_offset;  in get_cluster_offset()
472                 cluster_offset = QEMU_ALIGN_UP(cluster_offset, s->cluster_size);  in get_cluster_offset()
473                 if (cluster_offset + s->cluster_size > INT64_MAX) {  in get_cluster_offset()
477                                        cluster_offset + s->cluster_size,  in get_cluster_offset()
500                             ret = bdrv_co_pwrite(bs->file, cluster_offset + i,  in get_cluster_offset()
510                 cluster_offset |= QCOW_OFLAG_COMPRESSED |  in get_cluster_offset()
515         tmp = cpu_to_be64(cluster_offset);  in get_cluster_offset()
528     *result = cluster_offset;  in get_cluster_offset()
540     uint64_t cluster_offset;  in qcow_co_block_status()  local
543     ret = get_cluster_offset(bs, offset, 0, 0, 0, 0, &cluster_offset);  in qcow_co_block_status()
554     if (!cluster_offset) {  in qcow_co_block_status()
557     if (cluster_offset & QCOW_OFLAG_COMPRESSED) {  in qcow_co_block_status()
563     *map = cluster_offset | index_in_cluster;  in qcow_co_block_status()
596 decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset)  in decompress_cluster()  argument
602     coffset = cluster_offset & s->cluster_offset_mask;  in decompress_cluster()
604         csize = cluster_offset >> (63 - s->cluster_bits);  in decompress_cluster()
635     uint64_t cluster_offset;  in qcow_co_preadv()  local
653         ret = get_cluster_offset(bs, offset, 0, 0, 0, 0, &cluster_offset);  in qcow_co_preadv()
663         if (!cluster_offset) {  in qcow_co_preadv()
678         } else if (cluster_offset & QCOW_OFLAG_COMPRESSED) {  in qcow_co_preadv()
680             if (decompress_cluster(bs, cluster_offset) < 0) {  in qcow_co_preadv()
686             if ((cluster_offset & 511) != 0) {  in qcow_co_preadv()
692             ret = bdrv_co_pread(bs->file, cluster_offset + offset_in_cluster,  in qcow_co_preadv()
730     uint64_t cluster_offset;  in qcow_co_pwritev()  local
759                                  offset_in_cluster + n, &cluster_offset);  in qcow_co_pwritev()
763         if (!cluster_offset || (cluster_offset & 511) != 0) {  in qcow_co_pwritev()
777         ret = bdrv_co_pwrite(bs->file, cluster_offset + offset_in_cluster,  in qcow_co_pwritev()
1062     uint64_t cluster_offset;  in qcow_co_pwritev_compressed()  local
1113     ret = get_cluster_offset(bs, offset, 2, out_len, 0, 0, &cluster_offset);  in qcow_co_pwritev_compressed()
1118     if (cluster_offset == 0) {  in qcow_co_pwritev_compressed()
1122     cluster_offset &= s->cluster_offset_mask;  in qcow_co_pwritev_compressed()
1125     ret = bdrv_co_pwrite(bs->file, cluster_offset, out_len, out_buf, 0);  in qcow_co_pwritev_compressed()