Re: [PATCH RFC 0/4] use scatter lists for all block pc requests and simplify hw handlers

Mike Christie
2005-06-08T21:43:18Z

Patrick Mansfield wrote:
> On Tue, Jun 07, 2005 at 10:26:16AM -0500, Michael Christie wrote:
>
>>Quoting Patrick Mansfield <patmans@us.ibm.com>:
>
>
>>>Why can't the retries be passed down via a new blk req->retries?
>>>
>>
>>Is that all that is needed for dm-multipath? I thought this would be a good time
>>to add some code to allow the finer grained control of retries that could also
>>be used by dm and md. For example do you only want to retry certain failures X
>>numbeer of times?
>
>
> I was looking/thinking about the scsi_scan retries not multipath.

And I was hoping the same code/framework can be used for scsi, DM, MD,
SG_IO and all other block layer drivers.