Thanks. That's clearer.


On Fri, 18 May 2001, Jason R Thorpe wrote:

> On Fri, May 18, 2001 at 05:34:46PM -0700, Matthew Jacob wrote:
> 
>  >  * The channel_q member is used by the scsipi midlayer to queue up requests 
>  >  * before and after the host adapter driver operates on the command. The
>  >  * host adapter driver may use this field for queueing purposes while the
>  >  * host adapter is running the command.
> 
> Before the HBA is given the xfer, channel_q is the linkage on
> chan->chan_queue.  If there is an error on the xfer after it is
> given to the HBA, channel_q is the linkage on chan->chan_complete.
> 
> After the xfer has been taken of chan->chan_queue and given to the
> HBA, the HBA can use channel_q until it scsipi_done's the xfer, at
> which time it has to stop using channel_q.
> 
> -- 
>         -- Jason R. Thorpe <thorpej@zembu.com>
>