Re: [PATCH 0/3] scsi: arcmsr: Add driver parameter cmd_timeout for scsi command timeout setting

From: Ching Huang
Date: Tue May 08 2018 - 02:32:56 EST


On Tue, 2018-05-08 at 01:41 -0400, Martin K. Petersen wrote:
> Hello Ching,
>
> > 1. Add driver parameter cmd_timeout, default value is ARCMSR_DEFAULT_TIMEOUT.
> > 2. Add slave_configure callback function to set device command timeout value.
> > 3. Update driver version to v1.40.00.06-20180504.
>
> I am not so keen on arcmsr overriding the timeout set by the admin or
> application.
>
> Also, instead of introducing this module parameter, why not simply ask
> the user to change rq_timeout?
>
This timeout setting only after device has been inquiry successfully.
Of course, user can set timeout value to /sys/block/sdX/device/timeout.
But user does not like to set this value once command timeout occurred.
They rather like timeout never happen.