On Fri, 21 Oct 2022 11:16:39 +0100 Pavel Begunkov wrote: > We need an efficient way in io_uring to check whether a socket supports > zerocopy with msghdr provided ubuf_info. Add a new flag into the struct > socket flags fields. > > Cc: <stable@xxxxxxxxxxxxxxx> # 6.0 > Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx> > --- > include/linux/net.h | 1 + > net/ipv4/tcp.c | 1 + > net/ipv4/udp.c | 1 + > 3 files changed, 3 insertions(+) > > diff --git a/include/linux/net.h b/include/linux/net.h > index 711c3593c3b8..18d942bbdf6e 100644 > --- a/include/linux/net.h > +++ b/include/linux/net.h > @@ -41,6 +41,7 @@ struct net; > #define SOCK_NOSPACE 2 > #define SOCK_PASSCRED 3 > #define SOCK_PASSSEC 4 > +#define SOCK_SUPPORT_ZC 5 Acked-by: Jakub Kicinski <kuba@xxxxxxxxxx> Any idea on when this will make it to Linus? If within a week we can probably delay: https://lore.kernel.org/all/dc549a4d5c1d2031c64794c8e12bed55afb85c3e.1666287924.git.pabeni@xxxxxxxxxx/ and avoid the conflict.
