---
title: FSBlockmapResult
framework: fskit
role: symbol
role_heading: Class
path: fskit/fsblockmapresult
---

# FSBlockmapResult

The result of a blockmap call.

## Declaration

```swift
class FSBlockmapResult
```

## Overview

Overview Use this type in your implementation of blockmapFile(_:offset:length:flags:operationID:packer:replyHandler:).

## Topics

### Creating a blockmap result

- [init(freeSpace:)](fskit/fsblockmapresult/init(freespace:).md)
- [FSFreeSpace](fskit/fsfreespace.md)

## Relationships

### Inherits From

- [FSVolumeHandlerResult](fskit/fsvolumehandlerresult.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Performing mapped I/O

- [blockmapFile(_:offset:length:flags:operationID:packer:replyHandler:)](fskit/fsvolume/kerneloffloadediohandler/blockmapfile(_:offset:length:flags:operationid:packer:replyhandler:).md)
- [FSBlockmapFlags](fskit/fsblockmapflags.md)
- [completeIO(for:offset:length:status:flags:operationID:replyHandler:)](fskit/fsvolume/kerneloffloadediohandler/completeio(for:offset:length:status:flags:operationid:replyhandler:).md)
- [FSCompleteIOFlags](fskit/fscompleteioflags.md)
- [FSCompleteIOResult](fskit/fscompleteioresult.md)