On Mon, Jan 11, 2021 at 08:17:49AM +0800, Gao Xiang wrote:

Okay, will leave the definitions in the next version.

Note that the important thing is to not break the kernel to userspace
ABI, the API is a little less important.  That being said breaking
programs piecemail for no good reason't isn't nice.  I think we
should probably move all the typedefs to the end of the file with
a comment and then at some point remove them as a single breaking
change.