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net: sk_sleep() helper

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Define a new function to return the waitqueue of a "struct sock".

static inline wait_queue_head_t *sk_sleep(struct sock *sk)
{
	return sk->sk_sleep;
}

Change all read occurrences of sk_sleep by a call to this function.

Needed for a future RCU conversion. sk_sleep wont be a field directly
available.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-04-20 13:03:51 +00:00
committed by David S. Miller
parent ab9304717f
commit aa39514516
46 changed files with 208 additions and 204 deletions
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4
net/rxrpc/af_rxrpc.c
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@@ -65,7 +65,7 @@ static void rxrpc_write_space(struct sock *sk)
read_lock(&sk->sk_callback_lock);
if (rxrpc_writable(sk)) {
if (sk_has_sleeper(sk))
wake_up_interruptible(sk->sk_sleep);
wake_up_interruptible(sk_sleep(sk));
sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT);
}
read_unlock(&sk->sk_callback_lock);
@@ -589,7 +589,7 @@ static unsigned int rxrpc_poll(struct file *file, struct socket *sock,
unsigned int mask;
struct sock *sk = sock->sk;
sock_poll_wait(file, sk->sk_sleep, wait);
sock_poll_wait(file, sk_sleep(sk), wait);
mask = 0;
/* the socket is readable if there are any messages waiting on the Rx