diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-10 17:06:38 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-12-26 21:21:10 -0500 |
| commit | 79ab80beb792fc56141ca9bc5675b2109b729955 (patch) | |
| tree | 71e27358953d92e4164008821d7305e6406e65f2 /drivers/block/drbd | |
| parent | b4b8664d291ac1998e0f0bcdc96b6397f0fe68b3 (diff) | |
[drbd] use sock_sendmsg()
... and keep ->msg_iter through the loop
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/block/drbd')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 83482721bc01..d96a41a7e257 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1846,7 +1846,7 @@ int drbd_send_out_of_sync(struct drbd_peer_device *peer_device, struct drbd_requ int drbd_send(struct drbd_connection *connection, struct socket *sock, void *buf, size_t size, unsigned msg_flags) { - struct kvec iov; + struct kvec iov = {.iov_base = buf, .iov_len = size}; struct msghdr msg; int rv, sent = 0; @@ -1855,15 +1855,14 @@ int drbd_send(struct drbd_connection *connection, struct socket *sock, /* THINK if (signal_pending) return ... ? */ - iov.iov_base = buf; - iov.iov_len = size; - msg.msg_name = NULL; msg.msg_namelen = 0; msg.msg_control = NULL; msg.msg_controllen = 0; msg.msg_flags = msg_flags | MSG_NOSIGNAL; + iov_iter_kvec(&msg.msg_iter, WRITE | ITER_KVEC, &iov, 1, size); + if (sock == connection->data.socket) { rcu_read_lock(); connection->ko_count = rcu_dereference(connection->net_conf)->ko_count; @@ -1871,7 +1870,7 @@ int drbd_send(struct drbd_connection *connection, struct socket *sock, drbd_update_congested(connection); } do { - rv = kernel_sendmsg(sock, &msg, &iov, 1, iov.iov_len); + rv = sock_sendmsg(sock, &msg); if (rv == -EAGAIN) { if (we_should_drop_the_connection(connection, sock)) break; @@ -1885,8 +1884,6 @@ int drbd_send(struct drbd_connection *connection, struct socket *sock, if (rv < 0) break; sent += rv; - iov.iov_base += rv; - iov.iov_len -= rv; } while (sent < size); if (sock == connection->data.socket) |