IOCTL_STORAGE_SET_READ_AHEAD IOCTL (ntddcdvd.h)
Causes the device to skip to the given target address when the device reaches a certain trigger address during read-ahead caching.
Major code
Input buffer
The buffer at Irp->AssociatedIrp.SystemBuffer contains a STORAGE_SET_READ_AHEAD structure that indicates the trigger and target addresses.
Input buffer length
The length of a STORAGE_SET_READ_AHEAD structure.
Output buffer
None.
Output buffer length
None.
Status block
The Information field is set to zero. The Status field is set to STATUS_SUCCESS.
Requirements
| Requirement | Value |
|---|---|
| Header | ntddcdvd.h (include Ntddcdvd.h) |