put iov_iter into msghdr
authorAl Viro <viro@zeniv.linux.org.uk>
Mon, 24 Nov 2014 15:42:55 +0000 (10:42 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Tue, 9 Dec 2014 21:29:03 +0000 (16:29 -0500)
Note that the code _using_ ->msg_iter at that point will be very
unhappy with anything other than unshifted iovec-backed iov_iter.
We still need to convert users to proper primitives.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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