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authorDave Airlie <airlied@redhat.com>2015-12-08 11:04:26 +1000
committerDave Airlie <airlied@redhat.com>2015-12-08 11:04:26 +1000
commite876b41ab074561d65f213bf5e0fc68cf5bc7380 (patch)
tree5bcbd7e4f7b6ac2a34e61011f8eb2cde90bf8603 /include/linux/net.h
parent47c0fd72822159eb501411f975f5672a0bf7a7fb (diff)
parent527e9316f8ec44bd53d90fb9f611fa7ffff52bb9 (diff)
Back merge tag 'v4.4-rc4' into drm-next
We've picked up a few conflicts and it would be nice to resolve them before we move onwards.
Diffstat (limited to 'include/linux/net.h')
-rw-r--r--include/linux/net.h13
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/net.h b/include/linux/net.h
index 70ac5e28e6b7..0b4ac7da583a 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -34,8 +34,12 @@ struct inode;
struct file;
struct net;
-#define SOCK_ASYNC_NOSPACE 0
-#define SOCK_ASYNC_WAITDATA 1
+/* Historically, SOCKWQ_ASYNC_NOSPACE & SOCKWQ_ASYNC_WAITDATA were located
+ * in sock->flags, but moved into sk->sk_wq->flags to be RCU protected.
+ * Eventually all flags will be in sk->sk_wq_flags.
+ */
+#define SOCKWQ_ASYNC_NOSPACE 0
+#define SOCKWQ_ASYNC_WAITDATA 1
#define SOCK_NOSPACE 2
#define SOCK_PASSCRED 3
#define SOCK_PASSSEC 4
@@ -89,6 +93,7 @@ struct socket_wq {
/* Note: wait MUST be first field of socket_wq */
wait_queue_head_t wait;
struct fasync_struct *fasync_list;
+ unsigned long flags; /* %SOCKWQ_ASYNC_NOSPACE, etc */
struct rcu_head rcu;
} ____cacheline_aligned_in_smp;
@@ -96,7 +101,7 @@ struct socket_wq {
* struct socket - general BSD socket
* @state: socket state (%SS_CONNECTED, etc)
* @type: socket type (%SOCK_STREAM, etc)
- * @flags: socket flags (%SOCK_ASYNC_NOSPACE, etc)
+ * @flags: socket flags (%SOCK_NOSPACE, etc)
* @ops: protocol specific socket operations
* @file: File back pointer for gc
* @sk: internal networking protocol agnostic socket representation
@@ -202,7 +207,7 @@ enum {
SOCK_WAKE_URG,
};
-int sock_wake_async(struct socket *sk, int how, int band);
+int sock_wake_async(struct socket_wq *sk_wq, int how, int band);
int sock_register(const struct net_proto_family *fam);
void sock_unregister(int family);
int __sock_create(struct net *net, int family, int type, int proto,