Askar Safin [off-list ref]:

For all these reasons I propose to make vmsplice a simple wrapper for
preadv2/pwritev2.

This patchset is already in next, but I still kindly ask people to
carefully review it. I'm still a new contributor, and I can make mistakes.

For example, in vmsplice I do "CLASS(fd, f)(fd)" and then I pass
"fd" (i. e. integer) to "do_writev/do_readv". I don't know whether
this is okay to do so.

-- 
Askar Safin