IOCTL_DISK_UPDATE_DRIVE_SIZE IOCTL (ntdddisk.h)
Updates device extension with drive size information for current media.
Major code
Input buffer
None.
Input buffer length
None.
Output buffer
Otherwise, the driver returns with an error status of STATUS_BUFFER_TOO_SMALL.
The device driver returns the DISK_GEOMETRY structure in the buffer at Irp->AssociatedIrp.SystemBuffer.
Output buffer length
Parameters.DeviceIoControl.OutputBufferLength in the I/O stack location of the IRP indicates the size, in bytes, of the buffer made available to the driver, which must be >= sizeof(DISK_GEOMETRY).
Status block
Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful. Otherwise, Status to the appropriate error condition as a NTSTATUS code.
Requirements
| Requirement | Value |
|---|---|
| Header | ntdddisk.h (include Ntdddisk.h) |