[dm-devel] [PATCH 0/3] add path-selector init function

[Mike Christie]

Alasdair G Kergon wrote:
> On Mon, May 24, 2004 at 06:00:19PM -0700, Mike Christie wrote:
> 
>>Is there any way
>>I could pass in such a thing when my target is created, so that way dm 
>>multipath
>>would not have any type of command format functions/modules or definitions
>>(it could just be passed in and built like the sg io code).
> 
>  
> We've been talking about a new dm ioctl for passing arbitrary commands 
> to a target, which I think would cover this.  
> 
> [Pass in device name/uuid plus offset within device and arbitrary ascii
> command, and then the ascii command gets passed to the target at that 
> device offset.  It would be up to each target to define its own 
> commands.]

Nice, I think that will work, plus be useful for simple things like
updating path state.

Thanks,

> Alasdair


-- 
Mike Christie
mikenc at us.ibm.com