52         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
55         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
58                         uint8_t *buf, int nb_sectors);
60                          const uint8_t *buf, int nb_sectors);
580                               int nb_sectors)  in bdrv_check_request()  argument
582     return bdrv_check_byte_request(bs, sector_num * 512, nb_sectors * 512);  in bdrv_check_request()
587               uint8_t *buf, int nb_sectors)  in bdrv_read()  argument
593     if (bdrv_check_request(bs, sector_num, nb_sectors))  in bdrv_read()
596     return drv->bdrv_read(bs, sector_num, buf, nb_sectors);  in bdrv_read()
606                const uint8_t *buf, int nb_sectors)  in bdrv_write()  argument
613     if (bdrv_check_request(bs, sector_num, nb_sectors))  in bdrv_write()
616     return drv->bdrv_write(bs, sector_num, buf, nb_sectors);  in bdrv_write()
623     int len, nb_sectors, count;  in bdrv_pread()  local
644     nb_sectors = count >> SECTOR_BITS;  in bdrv_pread()
645     if (nb_sectors > 0) {  in bdrv_pread()
646         if (bdrv_read(bs, sector_num, buf, nb_sectors) < 0)  in bdrv_pread()
648         sector_num += nb_sectors;  in bdrv_pread()
649         len = nb_sectors << SECTOR_BITS;  in bdrv_pread()
667     int len, nb_sectors, count;  in bdrv_pwrite()  local
690     nb_sectors = count >> SECTOR_BITS;  in bdrv_pwrite()
691     if (nb_sectors > 0) {  in bdrv_pwrite()
692         if (bdrv_write(bs, sector_num, buf, nb_sectors) < 0)  in bdrv_pwrite()
694         sector_num += nb_sectors;  in bdrv_pwrite()
695         len = nb_sectors << SECTOR_BITS;  in bdrv_pwrite()
772     uint64_t nb_sectors;  in guess_disk_lchs()  local
774     bdrv_get_geometry(bs, &nb_sectors);  in guess_disk_lchs()
792             cylinders = nb_sectors / (heads * sectors);  in guess_disk_lchs()
812     uint64_t nb_sectors;  in bdrv_guess_geometry()  local
815     bdrv_get_geometry(bs, &nb_sectors);  in bdrv_guess_geometry()
844             cylinders = nb_sectors / (16 * 63);  in bdrv_guess_geometry()
1044 int bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors,  in bdrv_is_allocated()  argument
1054         *pnum = (n < nb_sectors) ? (n) : (nb_sectors);  in bdrv_is_allocated()
1057     return bs->drv->bdrv_is_allocated(bs, sector_num, nb_sectors, pnum);  in bdrv_is_allocated()
1138                           const uint8_t *buf, int nb_sectors)  in bdrv_write_compressed()  argument
1145     if (bdrv_check_request(bs, sector_num, nb_sectors))  in bdrv_write_compressed()
1147     return drv->bdrv_write_compressed(bs, sector_num, buf, nb_sectors);  in bdrv_write_compressed()
1305                                  QEMUIOVector *qiov, int nb_sectors,  in bdrv_aio_readv()  argument
1313     if (bdrv_check_request(bs, sector_num, nb_sectors))  in bdrv_aio_readv()
1316     ret = drv->bdrv_aio_readv(bs, sector_num, qiov, nb_sectors,  in bdrv_aio_readv()
1321 	bs->rd_bytes += (unsigned) nb_sectors * SECTOR_SIZE;  in bdrv_aio_readv()
1329                                   QEMUIOVector *qiov, int nb_sectors,  in bdrv_aio_writev()  argument
1339     if (bdrv_check_request(bs, sector_num, nb_sectors))  in bdrv_aio_writev()
1342     ret = drv->bdrv_aio_writev(bs, sector_num, qiov, nb_sectors,  in bdrv_aio_writev()
1347 	bs->wr_bytes += (unsigned) nb_sectors * SECTOR_SIZE;  in bdrv_aio_writev()
1400                                             int nb_sectors,  in bdrv_aio_rw_vector()  argument
1418         acb->ret = bdrv_write(bs, sector_num, acb->bounce, nb_sectors);  in bdrv_aio_rw_vector()
1420         acb->ret = bdrv_read(bs, sector_num, acb->bounce, nb_sectors);  in bdrv_aio_rw_vector()
1429         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,  in bdrv_aio_readv_em()  argument
1432     return bdrv_aio_rw_vector(bs, sector_num, qiov, nb_sectors, cb, opaque, 0);  in bdrv_aio_readv_em()
1436         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,  in bdrv_aio_writev_em()  argument
1439     return bdrv_aio_rw_vector(bs, sector_num, qiov, nb_sectors, cb, opaque, 1);  in bdrv_aio_writev_em()
1453                         uint8_t *buf, int nb_sectors)  in bdrv_read_em()  argument
1462     iov.iov_len = nb_sectors * 512;  in bdrv_read_em()
1464     acb = bdrv_aio_readv(bs, sector_num, &qiov, nb_sectors,  in bdrv_read_em()
1477                          const uint8_t *buf, int nb_sectors)  in bdrv_write_em()  argument
1486     iov.iov_len = nb_sectors * 512;  in bdrv_write_em()
1488     acb = bdrv_aio_writev(bs, sector_num, &qiov, nb_sectors,  in bdrv_write_em()