drbd: Move some functions to where they are used

Move drbd_update_congested() to drbd_main.c, and drbd_req_new() and
drbd_req_free() to drbd_req.c: those functions are not used anywhere
else.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 701f231cf4bf..5da1df023a49 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2528,6 +2528,13 @@ static int we_should_drop_the_connection(struct drbd_conf *mdev, struct socket *
         return drop_it; /* && (mdev->state == R_PRIMARY) */;
 }
 
+static void drbd_update_congested(struct drbd_conf *mdev)
+{
+        struct sock *sk = mdev->tconn->data.socket->sk;
+        if (sk->sk_wmem_queued > sk->sk_sndbuf * 4 / 5)
+                set_bit(NET_CONGESTED, &mdev->flags);
+}
+
 /* The idea of sendpage seems to be to put some kind of reference
  * to the page into the skb, and to hand it over to the NIC. In
  * this process get_page() gets called.