FSCTL_REFS_DEALLOCATE_RANGES_EX IOCTL (ntifs.h)

Reserved for system use.

Major code

IRP_MJ_DEVICE_CONTROL

Input buffer

Reserved for system use.

Input buffer length

Reserved for system use.

Output buffer

Reserved for system use.

Output buffer length

Reserved for system use.

Input / Output buffer

Reserved for system use.

Input / Output buffer length

Reserved for system use.

Status block

Reserved for system use.

Remarks

Reserved for system use.

Requirements

Requirement Value
Minimum supported client Windows 11, version 22H2
Header ntifs.h