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# FSVolume.KernelCacheCoherencyAction.revoke

An action to invalidate all caches, revoke all access to the item, and trigger vnode reclamation.

```
case revoke
```

## Discussion

Use this action when the module determines that an item no longer exists or
is no longer accessible. Common scenarios include:

- Another client deleted the item, as detected via server notification.
- The module received a server callback indicating the file’s absence.

---

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