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| author | Mike Christie <michaelc@cs.wisc.edu> | 2013-06-14 11:56:14 +0200 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2013-06-14 20:07:11 +0200 |
| commit | 86e92ad299fb0be359efdd61812944497d4d8d52 (patch) | |
| tree | d2c7b7f9096b51f6fc2c7b750d509fe6ccd5a91f /fs/dlm/lowcomms.c | |
| parent | dlm: retry failed SCTP sends (diff) | |
| download | linux-86e92ad299fb0be359efdd61812944497d4d8d52.tar.xz linux-86e92ad299fb0be359efdd61812944497d4d8d52.zip | |
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: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm/lowcomms.c')
| -rw-r--r-- | fs/dlm/lowcomms.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index a4fad32bb788..4f539dd9b1e9 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -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; |