On 10/22/22 9:57 AM, Pavel Begunkov wrote: > On 10/21/22 17:14, Jakub Kicinski wrote: >> 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: > > After a chat with Jens, IIUC he can take it and send out to > Linus early. So, sounds like a good plan Yes, and let's retain the name for now, can always be changed if we need to make it more granular. I'll ship this off before -rc2. -- Jens Axboe
