new helpers: skb_copy_datagram_from_iter() and zerocopy_sg_from_iter()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-06-19 14:15:22 -04:00
commit 3a654f975b
2 changed files with 119 additions and 0 deletions