netdev - Re: [PATCH net] net/smc: Send out the remaining data in sndbuf before close

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Message-ID: <da663f43-a593-6acc-d4ec-9bd932637bee@linux.alibaba.com>
Date:   Mon, 28 Mar 2022 17:55:59 +0800
From:   Wen Gu <guwen@...ux.alibaba.com>
To:     dust.li@...ux.alibaba.com, kgraul@...ux.ibm.com,
        davem@...emloft.net, kuba@...nel.org
Cc:     linux-s390@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net/smc: Send out the remaining data in sndbuf before
 close

Thanks for your comments.

On 2022/3/28 5:04 pm, dust.li wrote:
> 
> I think this issue should also happen if TCP_CORK is set and
> autocorking is not enabled ?

Yes, setting TCP_CORK also works.
> 
> Autocorking and delaying the TX from BH to smc_release_cb() greatly
> increased the probability of this problem.
>
Thanks,
Wen Gu