On 6/26/19 4:47 AM, Zhangguanghui wrote:
> Hi
>         Thank you very much for you reply, I have tried to contact 3PAR
> about this issue.
>    Hundreds of them flooding the log for some seconds that is an serious 
> problem.
> It can be reproduced on the Linux 4.14 kernel version or the lastest version 
> for 3PAR storage
> Remote Copy Failover platform when the main storage is powered off.
> How to solve it ?
> 
> I have found that the lastest patch 'pg->interval = 2000' is incorrect,
> pg->interval = 2 maybe is reasonable, 2 seconds delay, retry .
> But I have an new idea.
> I am wondering if the patch is reasonable to use the function 
> printk_timed_ratelimit(&j, 500),
> can you help me review and commit this patch, Best regards
> 
Well, the thing is that there really is _not_ a delay, not even a 2
seconds one.
I'd rather fix that first and see if that wouldn't be enough.
Will be sending a patch for it.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Teamlead Storage & Networking
h...@suse.de                                   +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Mary Higgins, Sri Rasiah
HRB 21284 (AG Nürnberg)

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