答复: [RFC PATCH v3 00/19] scsi: scsi_error: Introduce new error handle mechanism

[Jiangjianjun]

Sorry for late message! I'm working on fixing and testing these issues before re-emailing.

-----邮件原件-----
发件人: Christoph Hellwig <hch@xxxxxxxxxxxxx> 
发送时间: 2025年3月20日 14:06
收件人: Hannes Reinecke <hare@xxxxxxx>
抄送: Jiangjianjun <jiangjianjun3@xxxxxxxxxx>; jejb@xxxxxxxxxxxxx; martin.petersen@xxxxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; lixiaokeng <lixiaokeng@xxxxxxxxxx>; hewenliang (C) <hewenliang4@xxxxxxxxxx>; Yangkunlin(Poincare) <yangkunlin7@xxxxxxxxxx>
主题: Re: [RFC PATCH v3 00/19] scsi: scsi_error: Introduce new error handle mechanism

On Fri, Mar 14, 2025 at 10:01:40AM +0100, Hannes Reinecke wrote:
> 3. The current EH framework is designed around 'struct scsi_cmnd'.
> Which means that the command _initiating_ the error handling can only 
> be returned once the _entire_ error handling (with all
> escalations) is finished. And more often than not, the application is 
> waiting on that command to be completed before the next I/O is sent. 
> And that really limits the effectiveness of any improved error 
> handler; the application ultimatively has to wait for a host reset 
> before it can contine.

And someone needs to get your old series to fix that merged before we even start talking about any major EH change.