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authorChristoph Hellwig <hch@lst.de>2020-05-28 07:12:19 +0200
committerDavid S. Miller <davem@davemloft.net>2020-05-28 11:11:45 -0700
commit12abc5ee7873a085cc280240822b8ac53c86fecd (patch)
treeedd6a9fd7283c51007fd860b55ac1b210e9db135 /fs/ocfs2
parentdb10538a4b997a77a1fd561adaaa58afc7dcfa2f (diff)
downloadlinux-12abc5ee7873a085cc280240822b8ac53c86fecd.tar.bz2
tcp: add tcp_sock_set_nodelay
Add a helper to directly set the TCP_NODELAY 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> Acked-by: Sagi Grimberg <sagi@grimberg.me> Acked-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/cluster/tcp.c20
1 files changed, 2 insertions, 18 deletions
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 2c512b40a940..4c70fe9d19ab 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -1441,14 +1441,6 @@ static void o2net_rx_until_empty(struct work_struct *work)
sc_put(sc);
}
-static int o2net_set_nodelay(struct socket *sock)
-{
- int val = 1;
-
- return kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY,
- (void *)&val, sizeof(val));
-}
-
static int o2net_set_usertimeout(struct socket *sock)
{
int user_timeout = O2NET_TCP_USER_TIMEOUT;
@@ -1636,11 +1628,7 @@ static void o2net_start_connect(struct work_struct *work)
goto out;
}
- ret = o2net_set_nodelay(sc->sc_sock);
- if (ret) {
- mlog(ML_ERROR, "setting TCP_NODELAY failed with %d\n", ret);
- goto out;
- }
+ tcp_sock_set_nodelay(sc->sc_sock->sk);
ret = o2net_set_usertimeout(sock);
if (ret) {
@@ -1832,11 +1820,7 @@ static int o2net_accept_one(struct socket *sock, int *more)
*more = 1;
new_sock->sk->sk_allocation = GFP_ATOMIC;
- ret = o2net_set_nodelay(new_sock);
- if (ret) {
- mlog(ML_ERROR, "setting TCP_NODELAY failed with %d\n", ret);
- goto out;
- }
+ tcp_sock_set_nodelay(new_sock->sk);
ret = o2net_set_usertimeout(new_sock);
if (ret) {