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authorTakashi Iwai <tiwai@suse.de>2012-08-20 21:26:04 +0200
committerTakashi Iwai <tiwai@suse.de>2012-08-20 21:26:04 +0200
commitf0b433e9f362e0b7f0ce7d1489dd7feba068605d (patch)
treed4bfd9489cf4a96a55d83af20919f477a846d585 /net/sunrpc/xprtsock.c
parentfa2f5bf09610d3c216d4c74855edbe00d636467c (diff)
parent28c42c28309244d0b15d1b385e33429d59997679 (diff)
Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Additional updates for 3.6 A batch more bugfixes, all driver-specific and fairly small and unremarkable in a global context. The biggest batch are for the newly added Arizona drivers.
Diffstat (limited to 'net/sunrpc/xprtsock.c')
-rw-r--r--net/sunrpc/xprtsock.c56
1 files changed, 53 insertions, 3 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 890b03f8d87..400567243f8 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1014,9 +1014,6 @@ static void xs_udp_data_ready(struct sock *sk, int len)
UDPX_INC_STATS_BH(sk, UDP_MIB_INDATAGRAMS);
- /* Something worked... */
- dst_confirm(skb_dst(skb));
-
xprt_adjust_cwnd(task, copied);
xprt_complete_rqst(task, copied);
@@ -1895,6 +1892,8 @@ static void xs_local_setup_socket(struct work_struct *work)
if (xprt->shutdown)
goto out;
+ current->flags |= PF_FSTRANS;
+
clear_bit(XPRT_CONNECTION_ABORT, &xprt->state);
status = __sock_create(xprt->xprt_net, AF_LOCAL,
SOCK_STREAM, 0, &sock, 1);
@@ -1928,8 +1927,48 @@ static void xs_local_setup_socket(struct work_struct *work)
out:
xprt_clear_connecting(xprt);
xprt_wake_pending_tasks(xprt, status);
+ current->flags &= ~PF_FSTRANS;
+}
+
+#ifdef CONFIG_SUNRPC_SWAP
+static void xs_set_memalloc(struct rpc_xprt *xprt)
+{
+ struct sock_xprt *transport = container_of(xprt, struct sock_xprt,
+ xprt);
+
+ if (xprt->swapper)
+ sk_set_memalloc(transport->inet);
}
+/**
+ * xs_swapper - Tag this transport as being used for swap.
+ * @xprt: transport to tag
+ * @enable: enable/disable
+ *
+ */
+int xs_swapper(struct rpc_xprt *xprt, int enable)
+{
+ struct sock_xprt *transport = container_of(xprt, struct sock_xprt,
+ xprt);
+ int err = 0;
+
+ if (enable) {
+ xprt->swapper++;
+ xs_set_memalloc(xprt);
+ } else if (xprt->swapper) {
+ xprt->swapper--;
+ sk_clear_memalloc(transport->inet);
+ }
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(xs_swapper);
+#else
+static void xs_set_memalloc(struct rpc_xprt *xprt)
+{
+}
+#endif
+
static void xs_udp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
{
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
@@ -1954,6 +1993,8 @@ static void xs_udp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
transport->sock = sock;
transport->inet = sk;
+ xs_set_memalloc(xprt);
+
write_unlock_bh(&sk->sk_callback_lock);
}
xs_udp_do_set_buffer_size(xprt);
@@ -1970,6 +2011,8 @@ static void xs_udp_setup_socket(struct work_struct *work)
if (xprt->shutdown)
goto out;
+ current->flags |= PF_FSTRANS;
+
/* Start by resetting any existing state */
xs_reset_transport(transport);
sock = xs_create_sock(xprt, transport,
@@ -1988,6 +2031,7 @@ static void xs_udp_setup_socket(struct work_struct *work)
out:
xprt_clear_connecting(xprt);
xprt_wake_pending_tasks(xprt, status);
+ current->flags &= ~PF_FSTRANS;
}
/*
@@ -2078,6 +2122,8 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
if (!xprt_bound(xprt))
goto out;
+ xs_set_memalloc(xprt);
+
/* Tell the socket layer to start connecting... */
xprt->stat.connect_count++;
xprt->stat.connect_start = jiffies;
@@ -2113,6 +2159,8 @@ static void xs_tcp_setup_socket(struct work_struct *work)
if (xprt->shutdown)
goto out;
+ current->flags |= PF_FSTRANS;
+
if (!sock) {
clear_bit(XPRT_CONNECTION_ABORT, &xprt->state);
sock = xs_create_sock(xprt, transport,
@@ -2162,6 +2210,7 @@ static void xs_tcp_setup_socket(struct work_struct *work)
case -EINPROGRESS:
case -EALREADY:
xprt_clear_connecting(xprt);
+ current->flags &= ~PF_FSTRANS;
return;
case -EINVAL:
/* Happens, for instance, if the user specified a link
@@ -2174,6 +2223,7 @@ out_eagain:
out:
xprt_clear_connecting(xprt);
xprt_wake_pending_tasks(xprt, status);
+ current->flags &= ~PF_FSTRANS;
}
/**