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-rw-r--r--arch/alpha/include/asm/socket.h2
-rw-r--r--arch/arm/include/asm/socket.h2
-rw-r--r--arch/avr32/include/asm/socket.h2
-rw-r--r--arch/cris/include/asm/socket.h2
-rw-r--r--arch/frv/include/asm/socket.h2
-rw-r--r--arch/h8300/include/asm/socket.h2
-rw-r--r--arch/ia64/include/asm/socket.h2
-rw-r--r--arch/m32r/include/asm/socket.h2
-rw-r--r--arch/m68k/include/asm/socket.h2
-rw-r--r--arch/mips/include/asm/socket.h2
-rw-r--r--arch/mn10300/include/asm/socket.h2
-rw-r--r--arch/parisc/include/asm/socket.h2
-rw-r--r--arch/powerpc/include/asm/socket.h2
-rw-r--r--arch/s390/include/asm/socket.h2
-rw-r--r--arch/sparc/include/asm/socket.h2
-rw-r--r--arch/xtensa/include/asm/socket.h2
-rw-r--r--include/asm-generic/socket.h1
-rw-r--r--include/linux/skbuff.h6
-rw-r--r--include/net/sock.h3
-rw-r--r--net/atm/common.c2
-rw-r--r--net/bluetooth/af_bluetooth.c2
-rw-r--r--net/bluetooth/rfcomm/sock.c2
-rw-r--r--net/can/bcm.c2
-rw-r--r--net/can/raw.c2
-rw-r--r--net/core/sock.c17
-rw-r--r--net/ieee802154/dgram.c2
-rw-r--r--net/ieee802154/raw.c2
-rw-r--r--net/ipv4/raw.c2
-rw-r--r--net/ipv4/udp.c2
-rw-r--r--net/ipv6/raw.c2
-rw-r--r--net/ipv6/udp.c2
-rw-r--r--net/key/af_key.c2
-rw-r--r--net/packet/af_packet.c7
-rw-r--r--net/rxrpc/ar-recvmsg.c2
-rw-r--r--net/sctp/socket.c2
-rw-r--r--net/socket.c15
36 files changed, 88 insertions, 21 deletions
diff --git a/arch/alpha/include/asm/socket.h b/arch/alpha/include/asm/socket.h
index 26773e3246e2..06edfefc3373 100644
--- a/arch/alpha/include/asm/socket.h
+++ b/arch/alpha/include/asm/socket.h
@@ -67,6 +67,8 @@
#define SO_TIMESTAMPING 37
#define SCM_TIMESTAMPING SO_TIMESTAMPING
+#define SO_RXQ_OVFL 40
+
/* O_NONBLOCK clashes with the bits used for socket types. Therefore we
* have to define SOCK_NONBLOCK to a different value here.
*/
diff --git a/arch/arm/include/asm/socket.h b/arch/arm/include/asm/socket.h
index 92ac61d294fd..90ffd04b8e74 100644
--- a/arch/arm/include/asm/socket.h
+++ b/arch/arm/include/asm/socket.h
@@ -60,4 +60,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/avr32/include/asm/socket.h b/arch/avr32/include/asm/socket.h
index fe863f9794d5..c8d1fae49476 100644
--- a/arch/avr32/include/asm/socket.h
+++ b/arch/avr32/include/asm/socket.h
@@ -60,4 +60,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* __ASM_AVR32_SOCKET_H */
diff --git a/arch/cris/include/asm/socket.h b/arch/cris/include/asm/socket.h
index 45ec49bdb7b1..1a4a61909ca8 100644
--- a/arch/cris/include/asm/socket.h
+++ b/arch/cris/include/asm/socket.h
@@ -62,6 +62,8 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/frv/include/asm/socket.h b/arch/frv/include/asm/socket.h
index 2dea726095c2..a6b26880c1ec 100644
--- a/arch/frv/include/asm/socket.h
+++ b/arch/frv/include/asm/socket.h
@@ -60,5 +60,7 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/h8300/include/asm/socket.h b/arch/h8300/include/asm/socket.h
index 1547f01c8e22..04c0f4596eb5 100644
--- a/arch/h8300/include/asm/socket.h
+++ b/arch/h8300/include/asm/socket.h
@@ -60,4 +60,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/ia64/include/asm/socket.h b/arch/ia64/include/asm/socket.h
index 0b0d5ff062e5..51427eaa51ba 100644
--- a/arch/ia64/include/asm/socket.h
+++ b/arch/ia64/include/asm/socket.h
@@ -69,4 +69,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_IA64_SOCKET_H */
diff --git a/arch/m32r/include/asm/socket.h b/arch/m32r/include/asm/socket.h
index 3390a864f224..469787c30098 100644
--- a/arch/m32r/include/asm/socket.h
+++ b/arch/m32r/include/asm/socket.h
@@ -60,4 +60,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_M32R_SOCKET_H */
diff --git a/arch/m68k/include/asm/socket.h b/arch/m68k/include/asm/socket.h
index eee01cce921b..9bf49c87d954 100644
--- a/arch/m68k/include/asm/socket.h
+++ b/arch/m68k/include/asm/socket.h
@@ -60,4 +60,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/mips/include/asm/socket.h b/arch/mips/include/asm/socket.h
index ae05accd9fe4..9de5190f2487 100644
--- a/arch/mips/include/asm/socket.h
+++ b/arch/mips/include/asm/socket.h
@@ -80,6 +80,8 @@ To add: #define SO_REUSEPORT 0x0200 /* Allow local address and port reuse. */
#define SO_TIMESTAMPING 37
#define SCM_TIMESTAMPING SO_TIMESTAMPING
+#define SO_RXQ_OVFL 40
+
#ifdef __KERNEL__
/** sock_type - Socket types
diff --git a/arch/mn10300/include/asm/socket.h b/arch/mn10300/include/asm/socket.h
index 4df75af29d76..4e60c4281288 100644
--- a/arch/mn10300/include/asm/socket.h
+++ b/arch/mn10300/include/asm/socket.h
@@ -60,4 +60,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/parisc/include/asm/socket.h b/arch/parisc/include/asm/socket.h
index 960b1e5d8e16..225b7d6a1a0a 100644
--- a/arch/parisc/include/asm/socket.h
+++ b/arch/parisc/include/asm/socket.h
@@ -59,6 +59,8 @@
#define SO_TIMESTAMPING 0x4020
#define SCM_TIMESTAMPING SO_TIMESTAMPING
+#define SO_RXQ_OVFL 0x4021
+
/* O_NONBLOCK clashes with the bits used for socket types. Therefore we
* have to define SOCK_NONBLOCK to a different value here.
*/
diff --git a/arch/powerpc/include/asm/socket.h b/arch/powerpc/include/asm/socket.h
index 3ab8b3e6feb0..866f7606da68 100644
--- a/arch/powerpc/include/asm/socket.h
+++ b/arch/powerpc/include/asm/socket.h
@@ -67,4 +67,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_POWERPC_SOCKET_H */
diff --git a/arch/s390/include/asm/socket.h b/arch/s390/include/asm/socket.h
index e42df89a0b85..fdff1e995c73 100644
--- a/arch/s390/include/asm/socket.h
+++ b/arch/s390/include/asm/socket.h
@@ -68,4 +68,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/sparc/include/asm/socket.h b/arch/sparc/include/asm/socket.h
index 3a5ae3d12088..9d3fefcff2f5 100644
--- a/arch/sparc/include/asm/socket.h
+++ b/arch/sparc/include/asm/socket.h
@@ -56,6 +56,8 @@
#define SO_TIMESTAMPING 0x0023
#define SCM_TIMESTAMPING SO_TIMESTAMPING
+#define SO_RXQ_OVFL 0x0024
+
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 0x5001
#define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002
diff --git a/arch/xtensa/include/asm/socket.h b/arch/xtensa/include/asm/socket.h
index beb3a6bdb61d..cbdf2ffaacff 100644
--- a/arch/xtensa/include/asm/socket.h
+++ b/arch/xtensa/include/asm/socket.h
@@ -71,4 +71,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _XTENSA_SOCKET_H */
diff --git a/include/asm-generic/socket.h b/include/asm-generic/socket.h
index 538991cef6f0..9a6115e7cf63 100644
--- a/include/asm-generic/socket.h
+++ b/include/asm-generic/socket.h
@@ -63,4 +63,5 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
#endif /* __ASM_GENERIC_SOCKET_H */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index df7b23ac66e6..8c866b5cb97b 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -389,8 +389,10 @@ struct sk_buff {
#ifdef CONFIG_NETWORK_SECMARK
__u32 secmark;
#endif
-
- __u32 mark;
+ union {
+ __u32 mark;
+ __u32 dropcount;
+ };
__u16 vlan_tci;
diff --git a/include/net/sock.h b/include/net/sock.h
index 98398bdec57d..10669b01eeab 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -505,6 +505,7 @@ enum sock_flags {
SOCK_TIMESTAMPING_RAW_HARDWARE, /* %SOF_TIMESTAMPING_RAW_HARDWARE */
SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */
SOCK_FASYNC, /* fasync() active */
+ SOCK_RXQ_OVFL,
};
static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
@@ -1493,6 +1494,8 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
sk->sk_stamp = kt;
}
+extern void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, struct sk_buff *skb);
+
/**
* sock_tx_timestamp - checks whether the outgoing packet is to be time stamped
* @msg: outgoing packet
diff --git a/net/atm/common.c b/net/atm/common.c
index 950bd16d2383..d61e051e0a3f 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -496,7 +496,7 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
error = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (error)
return error;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
pr_debug("RcvM %d -= %d\n", atomic_read(&sk->sk_rmem_alloc), skb->truesize);
atm_return(vcc, skb->truesize);
skb_free_datagram(sk, skb);
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 1f6e49c1cde8..399e59c9c6cb 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -257,7 +257,7 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
skb_reset_transport_header(skb);
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (err == 0)
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
skb_free_datagram(sk, skb);
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index c70786503850..d3bfc1b0afb1 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -703,7 +703,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
copied += chunk;
size -= chunk;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
if (!(flags & MSG_PEEK)) {
atomic_sub(chunk, &sk->sk_rmem_alloc);
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 597da4f8f888..2f47039c79dd 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1534,7 +1534,7 @@ static int bcm_recvmsg(struct kiocb *iocb, struct socket *sock,
return err;
}
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
if (msg->msg_name) {
msg->msg_namelen = sizeof(struct sockaddr_can);
diff --git a/net/can/raw.c b/net/can/raw.c
index b5e897922d32..962fc9f1d0c7 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -702,7 +702,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct socket *sock,
return err;
}
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
if (msg->msg_name) {
msg->msg_namelen = sizeof(struct sockaddr_can);
diff --git a/net/core/sock.c b/net/core/sock.c
index 7626b6aacd68..43ca2c995393 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -276,6 +276,8 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
{
int err = 0;
int skb_len;
+ unsigned long flags;
+ struct sk_buff_head *list = &sk->sk_receive_queue;
/* Cast sk->rcvbuf to unsigned... It's pointless, but reduces
number of warnings when compiling with -W --ANK
@@ -305,7 +307,10 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
*/
skb_len = skb->len;
- skb_queue_tail(&sk->sk_receive_queue, skb);
+ spin_lock_irqsave(&list->lock, flags);
+ skb->dropcount = atomic_read(&sk->sk_drops);
+ __skb_queue_tail(list, skb);
+ spin_unlock_irqrestore(&list->lock, flags);
if (!sock_flag(sk, SOCK_DEAD))
sk->sk_data_ready(sk, skb_len);
@@ -702,6 +707,12 @@ set_rcvbuf:
/* We implement the SO_SNDLOWAT etc to
not be settable (1003.1g 5.3) */
+ case SO_RXQ_OVFL:
+ if (valbool)
+ sock_set_flag(sk, SOCK_RXQ_OVFL);
+ else
+ sock_reset_flag(sk, SOCK_RXQ_OVFL);
+ break;
default:
ret = -ENOPROTOOPT;
break;
@@ -901,6 +912,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
v.val = sk->sk_mark;
break;
+ case SO_RXQ_OVFL:
+ v.val = !!sock_flag(sk, SOCK_RXQ_OVFL);
+ break;
+
default:
return -ENOPROTOOPT;
}
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index a413b1bf4465..25ad956a39d8 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -303,7 +303,7 @@ static int dgram_recvmsg(struct kiocb *iocb, struct sock *sk,
if (err)
goto done;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
if (flags & MSG_TRUNC)
copied = skb->len;
diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c
index 30e74eee07d6..769c8d138fc3 100644
--- a/net/ieee802154/raw.c
+++ b/net/ieee802154/raw.c
@@ -191,7 +191,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
if (err)
goto done;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
if (flags & MSG_TRUNC)
copied = skb->len;
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 757c9171e7c2..f18172b07611 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -682,7 +682,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
if (err)
goto done;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
/* Copy the address. */
if (sin) {
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 194bcdc6d9fc..71e5353b30c8 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -955,7 +955,7 @@ try_again:
UDP_INC_STATS_USER(sock_net(sk),
UDP_MIB_INDATAGRAMS, is_udplite);
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
/* Copy the address. */
if (sin) {
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 4f24570b0869..d8375bc7f2d5 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -497,7 +497,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
sin6->sin6_scope_id = IP6CB(skb)->iif;
}
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
if (np->rxopt.all)
datagram_recv_ctl(sk, msg, skb);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index ff778c172ef2..1f8e2afa4490 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -252,7 +252,7 @@ try_again:
UDP_MIB_INDATAGRAMS, is_udplite);
}
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
/* Copy the address. */
if (msg->msg_name) {
diff --git a/net/key/af_key.c b/net/key/af_key.c
index c078ae6e975b..472f6594184a 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3606,7 +3606,7 @@ static int pfkey_recvmsg(struct kiocb *kiocb,
if (err)
goto out_free;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
err = (flags & MSG_TRUNC) ? skb->len : copied;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f87ed4803c11..bf3a2954cd4d 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -627,15 +627,14 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
spin_lock(&sk->sk_receive_queue.lock);
po->stats.tp_packets++;
+ skb->dropcount = atomic_read(&sk->sk_drops);
__skb_queue_tail(&sk->sk_receive_queue, skb);
spin_unlock(&sk->sk_receive_queue.lock);
sk->sk_data_ready(sk, skb->len);
return 0;
drop_n_acct:
- spin_lock(&sk->sk_receive_queue.lock);
- po->stats.tp_drops++;
- spin_unlock(&sk->sk_receive_queue.lock);
+ po->stats.tp_drops = atomic_inc_return(&sk->sk_drops);
drop_n_restore:
if (skb_head != skb->data && skb_shared(skb)) {
@@ -1478,7 +1477,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
if (err)
goto out_free;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
if (msg->msg_name)
memcpy(msg->msg_name, &PACKET_SKB_CB(skb)->sa,
diff --git a/net/rxrpc/ar-recvmsg.c b/net/rxrpc/ar-recvmsg.c
index a39bf97f8830..60c2b94e6b54 100644
--- a/net/rxrpc/ar-recvmsg.c
+++ b/net/rxrpc/ar-recvmsg.c
@@ -146,7 +146,7 @@ int rxrpc_recvmsg(struct kiocb *iocb, struct socket *sock,
memcpy(msg->msg_name,
&call->conn->trans->peer->srx,
sizeof(call->conn->trans->peer->srx));
- sock_recv_timestamp(msg, &rx->sk, skb);
+ sock_recv_ts_and_drops(msg, &rx->sk, skb);
}
/* receive the message */
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index c8d05758661d..0970e92c6acd 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1958,7 +1958,7 @@ SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk,
if (err)
goto out_free;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_ts_and_drops(msg, sk, skb);
if (sctp_ulpevent_is_notification(event)) {
msg->msg_flags |= MSG_NOTIFICATION;
sp->pf->event_msgname(event, msg->msg_name, addr_len);
diff --git a/net/socket.c b/net/socket.c
index 954f3381cc8a..807935693846 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -668,6 +668,21 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
EXPORT_SYMBOL_GPL(__sock_recv_timestamp);
+inline void sock_recv_drops(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
+{
+ if (sock_flag(sk, SOCK_RXQ_OVFL) && skb && skb->dropcount)
+ put_cmsg(msg, SOL_SOCKET, SO_RXQ_OVFL,
+ sizeof(__u32), &skb->dropcount);
+}
+
+void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
+ struct sk_buff *skb)
+{
+ sock_recv_timestamp(msg, sk, skb);
+ sock_recv_drops(msg, sk, skb);
+}
+EXPORT_SYMBOL_GPL(sock_recv_ts_and_drops);
+
static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{

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