diff options
| -rw-r--r-- | net/ceph/messenger.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 21a743a3bd29..649faa626b35 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -560,12 +560,15 @@ static int ceph_tcp_sendmsg(struct socket *sock, struct kvec *iov, return r; } +/* + * @more: either or both of MSG_MORE and MSG_SENDPAGE_NOTLAST + */ static int ceph_tcp_sendpage(struct socket *sock, struct page *page, - int offset, size_t size, bool more) + int offset, size_t size, int more) { ssize_t (*sendpage)(struct socket *sock, struct page *page, int offset, size_t size, int flags); - int flags = MSG_DONTWAIT | MSG_NOSIGNAL | (more ? MSG_MORE : 0); + int flags = MSG_DONTWAIT | MSG_NOSIGNAL | more; int ret; /* @@ -1552,6 +1555,7 @@ static int write_partial_message_data(struct ceph_connection *con) struct ceph_msg *msg = con->out_msg; struct ceph_msg_data_cursor *cursor = &msg->cursor; bool do_datacrc = !ceph_test_opt(from_msgr(con->msgr), NOCRC); + int more = MSG_MORE | MSG_SENDPAGE_NOTLAST; u32 crc; dout("%s %p msg %p\n", __func__, con, msg); @@ -1580,8 +1584,10 @@ static int write_partial_message_data(struct ceph_connection *con) } page = ceph_msg_data_next(cursor, &page_offset, &length, NULL); + if (length == cursor->total_resid) + more = MSG_MORE; ret = ceph_tcp_sendpage(con->sock, page, page_offset, length, - true); + more); if (ret <= 0) { if (do_datacrc) msg->footer.data_crc = cpu_to_le32(crc); @@ -1611,13 +1617,16 @@ static int write_partial_message_data(struct ceph_connection *con) */ static int write_partial_skip(struct ceph_connection *con) { + int more = MSG_MORE | MSG_SENDPAGE_NOTLAST; int ret; dout("%s %p %d left\n", __func__, con, con->out_skip); while (con->out_skip > 0) { size_t size = min(con->out_skip, (int) PAGE_SIZE); - ret = ceph_tcp_sendpage(con->sock, zero_page, 0, size, true); + if (size == con->out_skip) + more = MSG_MORE; + ret = ceph_tcp_sendpage(con->sock, zero_page, 0, size, more); if (ret <= 0) goto out; con->out_skip -= ret; |
