From: Shirley Ma <mashirle@us.ibm.com>
Date: Wed, 6 Jul 2011 12:17:30 +0000 (+0000)
Subject: sock.h: Add a new sock zero-copy flag
X-Git-Tag: v3.1-rc1~316^2~207
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=1cdebb423202e255366a321814fc6df079802a0d;p=linux-block.git

sock.h: Add a new sock zero-copy flag

Signed-off-by: Shirley Ma <xma@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/net/sock.h b/include/net/sock.h
index ae56da6ec958..396f735e0cd5 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -563,6 +563,7 @@ enum sock_flags {
 	SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */
 	SOCK_FASYNC, /* fasync() active */
 	SOCK_RXQ_OVFL,
+	SOCK_ZEROCOPY, /* buffers from userspace */
 };
 
 static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)