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

Patrick Mansfield
2005-06-09T00:08:30Z

On Wed, Jun 08, 2005 at 10:41:48AM -0500, Mike Christie wrote:
> 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.

So use a req->retries instead of the fail fast flag?