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authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2009-02-06 23:48:33 -0800
committerDavid S. Miller <davem@davemloft.net>2009-02-06 23:48:33 -0800
commit1f0fa15432e49547c3fa915644c7e0c0975809e7 (patch)
tree45939f63baea1e1aafeaa3872c99e82252313791 /net/sunrpc
parentb5f348e5a41b39543c1c5efd661d7fd296dd5281 (diff)
downloadlinux-1f0fa15432e49547c3fa915644c7e0c0975809e7.tar.bz2
net/sunrpc/xprtsock.c: some common code found
$ diff-funcs xs_udp_write_space net/sunrpc/xprtsock.c net/sunrpc/xprtsock.c xs_tcp_write_space --- net/sunrpc/xprtsock.c:xs_udp_write_space() +++ net/sunrpc/xprtsock.c:xs_tcp_write_space() @@ -1,4 +1,4 @@ - * xs_udp_write_space - callback invoked when socket buffer space + * xs_tcp_write_space - callback invoked when socket buffer space * becomes available * @sk: socket whose state has changed * @@ -7,12 +7,12 @@ * progress, otherwise we'll waste resources thrashing kernel_sendmsg * with a bunch of small requests. */ -static void xs_udp_write_space(struct sock *sk) +static void xs_tcp_write_space(struct sock *sk) { read_lock(&sk->sk_callback_lock); - /* from net/core/sock.c:sock_def_write_space */ - if (sock_writeable(sk)) { + /* from net/core/stream.c:sk_stream_write_space */ + if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk)) { struct socket *sock; struct rpc_xprt *xprt; $ codiff net/sunrpc/xprtsock.o net/sunrpc/xprtsock.o.new net/sunrpc/xprtsock.c: xs_tcp_write_space | -163 xs_udp_write_space | -163 2 functions changed, 326 bytes removed net/sunrpc/xprtsock.c: xs_write_space | +179 1 function changed, 179 bytes added net/sunrpc/xprtsock.o.new: 3 functions changed, 179 bytes added, 326 bytes removed, diff: -147 Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprtsock.c53
1 files changed, 21 insertions, 32 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 5cbb404c4cdf..b49e434c094f 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1215,6 +1215,23 @@ out:
read_unlock(&sk->sk_callback_lock);
}
+static void xs_write_space(struct sock *sk)
+{
+ struct socket *sock;
+ struct rpc_xprt *xprt;
+
+ if (unlikely(!(sock = sk->sk_socket)))
+ return;
+ clear_bit(SOCK_NOSPACE, &sock->flags);
+
+ if (unlikely(!(xprt = xprt_from_sock(sk))))
+ return;
+ if (test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags) == 0)
+ return;
+
+ xprt_write_space(xprt);
+}
+
/**
* xs_udp_write_space - callback invoked when socket buffer space
* becomes available
@@ -1230,23 +1247,9 @@ static void xs_udp_write_space(struct sock *sk)
read_lock(&sk->sk_callback_lock);
/* from net/core/sock.c:sock_def_write_space */
- if (sock_writeable(sk)) {
- struct socket *sock;
- struct rpc_xprt *xprt;
-
- if (unlikely(!(sock = sk->sk_socket)))
- goto out;
- clear_bit(SOCK_NOSPACE, &sock->flags);
-
- if (unlikely(!(xprt = xprt_from_sock(sk))))
- goto out;
- if (test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags) == 0)
- goto out;
-
- xprt_write_space(xprt);
- }
+ if (sock_writeable(sk))
+ xs_write_space(sk);
- out:
read_unlock(&sk->sk_callback_lock);
}
@@ -1265,23 +1268,9 @@ static void xs_tcp_write_space(struct sock *sk)
read_lock(&sk->sk_callback_lock);
/* from net/core/stream.c:sk_stream_write_space */
- if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk)) {
- struct socket *sock;
- struct rpc_xprt *xprt;
-
- if (unlikely(!(sock = sk->sk_socket)))
- goto out;
- clear_bit(SOCK_NOSPACE, &sock->flags);
+ if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk))
+ xs_write_space(sk);
- if (unlikely(!(xprt = xprt_from_sock(sk))))
- goto out;
- if (test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags) == 0)
- goto out;
-
- xprt_write_space(xprt);
- }
-
- out:
read_unlock(&sk->sk_callback_lock);
}