diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-05-28 07:12:20 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-05-28 20:11:45 +0200 |
| commit | ddd061b8daed3ce0c01109a69c9a2a9f9669f01a (patch) | |
| tree | eebfb22dbad653b06ad66ae75863f3ca011510ea /drivers/block | |
| parent | tcp: add tcp_sock_set_nodelay (diff) | |
| download | linux-ddd061b8daed3ce0c01109a69c9a2a9f9669f01a.tar.xz linux-ddd061b8daed3ce0c01109a69c9a2a9f9669f01a.zip | |
tcp: add tcp_sock_set_quickack
Add a helper to directly set the TCP_QUICKACK sockopt from kernel space
without going through a fake uaccess. Cleanup the callers to avoid
pointless wrappers now that this is a simple function call.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 7 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 5 |
2 files changed, 2 insertions, 10 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index e24bba87c8e0..14345a87c7cc 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1570,13 +1570,6 @@ extern void drbd_set_recv_tcq(struct drbd_device *device, int tcq_enabled); extern void _drbd_clear_done_ee(struct drbd_device *device, struct list_head *to_be_freed); extern int drbd_connected(struct drbd_peer_device *); -static inline void drbd_tcp_quickack(struct socket *sock) -{ - int val = 2; - (void) kernel_setsockopt(sock, SOL_TCP, TCP_QUICKACK, - (char*)&val, sizeof(val)); -} - /* sets the number of 512 byte sectors of our virtual device */ void drbd_set_my_capacity(struct drbd_device *device, sector_t size); diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 20a5e94494ac..3a3f2b6a821f 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1223,7 +1223,7 @@ static int drbd_recv_header_maybe_unplug(struct drbd_connection *connection, str * quickly as possible, and let remote TCP know what we have * received so far. */ if (err == -EAGAIN) { - drbd_tcp_quickack(connection->data.socket); + tcp_sock_set_quickack(connection->data.socket->sk, 2); drbd_unplug_all_devices(connection); } if (err > 0) { @@ -4959,8 +4959,7 @@ static int receive_UnplugRemote(struct drbd_connection *connection, struct packe { /* Make sure we've acked all the TCP data associated * with the data requests being unplugged */ - drbd_tcp_quickack(connection->data.socket); - + tcp_sock_set_quickack(connection->data.socket->sk, 2); return 0; } |