886 static inline int32_t sector2cluster(BDRVVVFATState* s,off_t sector_num)  in sector2cluster()  argument
888     return (sector_num - s->offset_to_root_dir) / s->sectors_per_cluster;  in sector2cluster()
1476 vvfat_read(BlockDriverState *bs, int64_t sector_num, uint8_t *buf, int nb_sectors)  in vvfat_read()  argument
1481     for(i=0;i<nb_sectors;i++,sector_num++) {  in vvfat_read()
1482         if (sector_num >= bs->total_sectors)  in vvfat_read()
1487             ret = bdrv_co_is_allocated(s->qcow->bs, sector_num * BDRV_SECTOR_SIZE,  in vvfat_read()
1494                              " allocated\n", sector_num,  in vvfat_read()
1496                 if (bdrv_co_pread(s->qcow, sector_num * BDRV_SECTOR_SIZE, n,  in vvfat_read()
1501                 sector_num += (n >> BDRV_SECTOR_BITS) - 1;  in vvfat_read()
1505                          sector_num));  in vvfat_read()
1507         if (sector_num < s->offset_to_root_dir) {  in vvfat_read()
1508             if (sector_num < s->offset_to_fat) {  in vvfat_read()
1510                        &(s->first_sectors[sector_num * 0x200]),  in vvfat_read()
1512             } else if (sector_num < s->offset_to_fat + s->sectors_per_fat) {  in vvfat_read()
1514                        &(s->fat.pointer[(sector_num  in vvfat_read()
1517             } else if (sector_num < s->offset_to_root_dir) {  in vvfat_read()
1519                        &(s->fat.pointer[(sector_num - s->offset_to_fat  in vvfat_read()
1524             uint32_t sector = sector_num - s->offset_to_root_dir,  in vvfat_read()
1544     uint64_t sector_num = offset >> BDRV_SECTOR_BITS;  in vvfat_co_preadv()  local
1557     ret = vvfat_read(bs, sector_num, buf, nb_sectors);  in vvfat_co_preadv()
2978 vvfat_write(BlockDriverState *bs, int64_t sector_num,  in vvfat_write()  argument
2994     if (sector_num == s->offset_to_bootsector && nb_sectors == 1) {  in vvfat_write()
3023     if (sector_num < s->offset_to_fat)  in vvfat_write()
3030     first_cluster = sector2cluster(s, sector_num);  in vvfat_write()
3031     last_cluster = sector2cluster(s, sector_num + nb_sectors - 1);  in vvfat_write()
3056                 if (begin < sector_num)  in vvfat_write()
3057                     begin = sector_num;  in vvfat_write()
3058                 if (end > sector_num + nb_sectors)  in vvfat_write()
3059                     end = sector_num + nb_sectors;  in vvfat_write()
3062                 direntries = (direntry_t*)(buf + 0x200 * (begin - sector_num));  in vvfat_write()
3087 DLOG(fprintf(stderr, "Write to qcow backend: %d + %d\n", (int)sector_num, nb_sectors));  in vvfat_write()
3088     ret = bdrv_co_pwrite(s->qcow, sector_num * BDRV_SECTOR_SIZE,  in vvfat_write()
3115     uint64_t sector_num = offset >> BDRV_SECTOR_BITS;  in vvfat_co_pwritev()  local
3129     ret = vvfat_write(bs, sector_num, buf, nb_sectors);  in vvfat_co_pwritev()