libceph: only call kernel_sendpage() via helper

Make ceph_tcp_sendpage() be the only place kernel_sendpage() is
used, by using this helper in write_partial_msg_pages().

Signed-off-by: Alex Elder <elder@dreamhost.com>
Reviewed-by: Sage Weil <sage@newdream.net>

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 9207a8c..adca1e6 100644 (file)
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -904,17 +904,13 @@ static int write_partial_msg_pages(struct ceph_connection *con)
                        con->out_msg->footer.data_crc = cpu_to_le32(crc);
                        con->out_msg_pos.did_page_crc = true;
                }
-               ret = kernel_sendpage(con->sock, page,
+               ret = ceph_tcp_sendpage(con->sock, page,
                                      con->out_msg_pos.page_pos + page_shift,
-                                     len,
-                                     MSG_DONTWAIT | MSG_NOSIGNAL |
-                                     MSG_MORE);
+                                     len, 1);
 
                if (do_datacrc && kaddr != zero_page_address)
                        kunmap(page);
 
-               if (ret == -EAGAIN)
-                       ret = 0;
                if (ret <= 0)
                        goto out;