Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 86e92ad2 authored by Mike Christie's avatar Mike Christie Committed by David Teigland
Browse files

dlm: disable nagle for SCTP 



For TCP we disable Nagle and I cannot think of why it would be needed
for SCTP. When disabled it seems to improve dlm_lock operations like it
does for TCP.

Signed-off-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarDavid Teigland <teigland@redhat.com>
parent 5d689871

fs/dlm/lowcomms.c

+6 −0
Original line number Diff line number Diff line
@@ -1346,6 +1346,7 @@ static int sctp_listen_for_all(void) 
	int result = -EINVAL, num = 1, i, addr_len;

	struct connection *con = nodeid2con(0, GFP_NOFS);

	int bufsize = NEEDED_RMEM;

	int one = 1;



	if (!con)

		return -ENOMEM;
@@ -1380,6 +1381,11 @@ static int sctp_listen_for_all(void) 
		goto create_delsock;

	}



	result = kernel_setsockopt(sock, SOL_SCTP, SCTP_NODELAY, (char *)&one,

				   sizeof(one));

	if (result < 0)

		log_print("Could not set SCTP NODELAY error %d\n", result);



	/* Init con struct */

	sock->sk->sk_user_data = con;

	con->sock = sock;