From: Xin Long <lucien....@gmail.com>
Date: Mon, 27 Mar 2017 00:21:15 +0800
> David Laight noticed the support for MSG_MORE with datamsg->force_delay
> didn't really work as we expected, as the first msg with MSG_MORE set
> would always block the following chunks' dequeuing.
>
> This Patch is to rewrite it by saving the MSG_MORE flag into assoc as
> David Laight suggested.
>
> asoc->force_delay is used to save MSG_MORE flag before a msg is sent.
> All chunks in queue would not be sent out if asoc->force_delay is set
> by the msg with MSG_MORE flag, until a new msg without MSG_MORE flag
> clears asoc->force_delay.
>
> Note that this change would not affect the flush is generated by other
> triggers, like asoc->state != ESTABLISHED, queue size > pmtu etc.
>
> v1->v2:
> Not clear asoc->force_delay after sending the msg with MSG_MORE flag.
>
> Fixes: 4ea0c32f5f42 ("sctp: add support for MSG_MORE")
> Signed-off-by: Xin Long <lucien....@gmail.com>
Applied, thanks.
