return bs->total_sectors;
}
+/*
+ * This wrapper is written by hand because this function is in the hot I/O path,
+ * via blk_get_geometry.
+ */
+int64_t coroutine_mixed_fn bdrv_nb_sectors(BlockDriverState *bs)
+{
+ BlockDriver *drv = bs->drv;
+ IO_CODE();
+
+ if (!drv)
+ return -ENOMEDIUM;
+
+ if (bs->bl.has_variable_length) {
+ int ret = bdrv_refresh_total_sectors(bs, bs->total_sectors);
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ return bs->total_sectors;
+}
+
/**
* Return length in bytes on success, -errno on error.
* The length is always a multiple of BDRV_SECTOR_SIZE.