The commit b640e274a7 introduced reflink()
and reflink_full(). We usually name function xyz_full() for fully
parameterized version of xyz(), and xyz() is typically a inline alias of
xyz_full(). But in this case, reflink() and reflink_full() call
different ioctl().
Moreover, reflink_full() does partial reflink, while reflink() does full
file reflink. That's super confusing.
Let's rename reflink_full() to reflink_range(), the new name is
consistent with ioctl name, and should be fine.
System and Service Manager
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