---
title: DoAsyncUnmapPriv
framework: BlockStorageDeviceDriverKit
role: symbol
role_heading: Instance Method
platforms: [driverkit 21.0+]
path: blockstoragedevicedriverkit/iouserblockstoragedevice/doasyncunmappriv
---

# DoAsyncUnmapPriv

## Declaration

```occ
virtual kern_return_t DoAsyncUnmapPriv(uint32_t requestID, struct BlockRange *ranges, uint32_t numOfRanges);
```

## See Also

### Instance Methods

- [RegisterDext](blockstoragedevicedriverkit/iouserblockstoragedevice/registerdext.md)