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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2015-11-26 13:55:39 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-11-30 14:47:33 -0500 |
| commit | 1ce0bf50ae2233c7115a18c0c623662d177b434c (patch) | |
| tree | 41860e17fe4b2184055d29e669e503d09796775a /net/unix/af_unix.c | |
| parent | c52fd05a2ff2ad20e2a7056baf314c7d1d624ba9 (diff) | |
| download | lwn-1ce0bf50ae2233c7115a18c0c623662d177b434c.tar.gz lwn-1ce0bf50ae2233c7115a18c0c623662d177b434c.zip | |
net: Generalise wq_has_sleeper helper
The memory barrier in the helper wq_has_sleeper is needed by just
about every user of waitqueue_active. This patch generalises it
by making it take a wait_queue_head_t directly. The existing
helper is renamed to skwq_has_sleeper.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/unix/af_unix.c')
| -rw-r--r-- | net/unix/af_unix.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 955ec152cb71..efb706e1d1c0 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -339,7 +339,7 @@ static void unix_write_space(struct sock *sk) rcu_read_lock(); if (unix_writable(sk)) { wq = rcu_dereference(sk->sk_wq); - if (wq_has_sleeper(wq)) + if (skwq_has_sleeper(wq)) wake_up_interruptible_sync_poll(&wq->wait, POLLOUT | POLLWRNORM | POLLWRBAND); sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT); |