diff options
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 5697caf..ca241ea 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -312,7 +312,7 @@ struct sock { void *sk_security; #endif __u32 sk_mark; - /* XXX 4 bytes hole on 64 bit */ + u32 sk_classid; void (*sk_state_change)(struct sock *sk); void (*sk_data_ready)(struct sock *sk, int bytes); void (*sk_write_space)(struct sock *sk); @@ -1026,15 +1026,23 @@ extern void release_sock(struct sock *sk); SINGLE_DEPTH_NESTING) #define bh_unlock_sock(__sk) spin_unlock(&((__sk)->sk_lock.slock)) -static inline void lock_sock_bh(struct sock *sk) +extern bool lock_sock_fast(struct sock *sk); +/** + * unlock_sock_fast - complement of lock_sock_fast + * @sk: socket + * @slow: slow mode + * + * fast unlock socket for user context. + * If slow mode is on, we call regular release_sock() + */ +static inline void unlock_sock_fast(struct sock *sk, bool slow) { - spin_lock_bh(&sk->sk_lock.slock); + if (slow) + release_sock(sk); + else + spin_unlock_bh(&sk->sk_lock.slock); } -static inline void unlock_sock_bh(struct sock *sk) -{ - spin_unlock_bh(&sk->sk_lock.slock); -} extern struct sock *sk_alloc(struct net *net, int family, gfp_t priority, @@ -1074,6 +1082,14 @@ extern void *sock_kmalloc(struct sock *sk, int size, extern void sock_kfree_s(struct sock *sk, void *mem, int size); extern void sk_send_sigurg(struct sock *sk); +#ifdef CONFIG_CGROUPS +extern void sock_update_classid(struct sock *sk); +#else +static inline void sock_update_classid(struct sock *sk) +{ +} +#endif + /* * Functions to fill in entries in struct proto_ops when a protocol * does not implement a particular function. @@ -1404,7 +1420,7 @@ static inline int sk_has_allocations(const struct sock *sk) /** * wq_has_sleeper - check if there are any waiting processes - * @sk: struct socket_wq + * @wq: struct socket_wq * * Returns true if socket_wq has waiting processes * |