---
title: FSVolume.KernelCacheCoherencyType.writeThrough
framework: fskit
role: symbol
role_heading: Case
path: fskit/fsvolume/kernelcachecoherencytype/writethrough
---

# FSVolume.KernelCacheCoherencyType.writeThrough

A type that indicates writes update cache and storage synchronously.

## Declaration

```swift
case writeThrough
```

## See Also

### Coherency types

- [FSVolume.KernelCacheCoherencyType.noCache](fskit/fsvolume/kernelcachecoherencytype/nocache.md)
- [FSVolume.KernelCacheCoherencyType.readCache](fskit/fsvolume/kernelcachecoherencytype/readcache.md)
- [FSVolume.KernelCacheCoherencyType.writeBack](fskit/fsvolume/kernelcachecoherencytype/writeback.md)