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Commit 1329e3f2 authored by Paolo Bonzini's avatar Paolo Bonzini Committed by David Teigland
Browse files

dlm: use kernel_sendpage 



Using kernel_sendpage() is cleaner and safer than following
sock->ops ourselves.

Signed-off-by: default avatarPaolo Bonzini <bonzini@gnu.org>
Signed-off-by: default avatarDavid Teigland <teigland@redhat.com>
parent 063c4c99

fs/dlm/lowcomms.c

+2 −5
Original line number Diff line number Diff line
@@ -1285,7 +1285,6 @@ void dlm_lowcomms_commit_buffer(void *mh) 
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 @@ static void send_to_sock(struct connection *con) 
	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,
@@ -1310,7 +1307,7 @@ static void send_to_sock(struct connection *con) 


		ret = 0;

		if (len) {

			ret = sendpage(con->sock, e->page, offset, len,

			ret = kernel_sendpage(con->sock, e->page, offset, len,

					      msg_flags);

			if (ret == -EAGAIN || ret == 0) {

				cond_resched();