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dlm: set zero linger time on sctp socket
The recovery time for a failed node was taking a long time because the failed node could not perform the full shutdown process. Removing the linger time speeds this up. The dlm does not care what happens to messages to or from the failed node. Signed-off-by: Dongmao Zhang <dmzhang@suse.com> Signed-off-by: David Teigland <teigland@redhat.com>
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1 changed files with 8 additions and 0 deletions
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@ -649,6 +649,7 @@ static void process_sctp_notification(struct connection *con,
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struct msghdr *msg, char *buf)
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{
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union sctp_notification *sn = (union sctp_notification *)buf;
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struct linger linger;
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switch (sn->sn_header.sn_type) {
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case SCTP_SEND_FAILED:
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@ -727,6 +728,13 @@ static void process_sctp_notification(struct connection *con,
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}
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add_sock(new_con->sock, new_con);
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linger.l_onoff = 1;
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linger.l_linger = 0;
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ret = kernel_setsockopt(new_con->sock, SOL_SOCKET, SO_LINGER,
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(char *)&linger, sizeof(linger));
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if (ret < 0)
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log_print("set socket option SO_LINGER failed");
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log_print("connecting to %d sctp association %d",
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nodeid, (int)sn->sn_assoc_change.sac_assoc_id);
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