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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 /drivers/target
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 'drivers/target')
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 91acb3f07b4c..b561b07a869a 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -897,20 +897,11 @@ int iscsit_setup_np(
/*
* Set SO_REUSEADDR, and disable Nagel Algorithm with TCP_NODELAY.
*/
- /* FIXME: Someone please explain why this is endian-safe */
- opt = 1;
- if (np->np_network_transport == ISCSI_TCP) {
- ret = kernel_setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
- (char *)&opt, sizeof(opt));
- if (ret < 0) {
- pr_err("kernel_setsockopt() for TCP_NODELAY"
- " failed: %d\n", ret);
- goto fail;
- }
- }
-
+ if (np->np_network_transport == ISCSI_TCP)
+ tcp_sock_set_nodelay(sock->sk);
sock_set_reuseaddr(sock->sk);
+ opt = 1;
ret = kernel_setsockopt(sock, IPPROTO_IP, IP_FREEBIND,
(char *)&opt, sizeof(opt));
if (ret < 0) {