dlm: use kernel_sendpage
Using kernel_sendpage() is cleaner and safer than following
sock->ops ourselves.
Signed-off-by: Paolo Bonzini <bonzini@gnu.org>
Signed-off-by: David Teigland <teigland@redhat.com>
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index bda690c..240cef1 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1285,7 +1285,6 @@
static void send_to_sock(struct connection *con)
{
int ret = 0;
- ssize_t(*sendpage) (struct socket *, struct page *, int, size_t, int);
const int msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL;
struct writequeue_entry *e;
int len, offset;
@@ -1294,8 +1293,6 @@
if (con->sock == NULL)
goto out_connect;
- sendpage = con->sock->ops->sendpage;
-
spin_lock(&con->writequeue_lock);
for (;;) {
e = list_entry(con->writequeue.next, struct writequeue_entry,
@@ -1310,8 +1307,8 @@
ret = 0;
if (len) {
- ret = sendpage(con->sock, e->page, offset, len,
- msg_flags);
+ ret = kernel_sendpage(con->sock, e->page, offset, len,
+ msg_flags);
if (ret == -EAGAIN || ret == 0) {
cond_resched();
goto out;