Re: [PATCH, RFC] target: stop splitting commands into multiple tasks

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, Apr 01, 2012 at 10:11:13PM -0700, Andy Grover wrote:
> On 03/26/2012 02:53 PM, Christoph Hellwig wrote:
> > The high-performance backends (iblock and rd) support tasks of unlimited
> > size.  With that there is no reason to keep a complex infrastructure for
> > splitting up commands in place.  Stop doing so and only submit a single
> > task per data direction.  Once this is in place we can slowly remove fields
> > from the task that duplicate things in the command, or move other fields
> 
> Sounds really good to me. What about pscsi and fileio? Do they break
> with unlimited-size tasks?

For these we still limit the task size - see the hunk in
transport_generic_cmd_sequencer that rejects writes over the backend
limit, and the hunk to make sure we put the minimum of the fabric
and backend limits into the EVPD page.

--
To unsubscribe from this list: send the line "unsubscribe target-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux SCSI]     [Kernel Newbies]     [Linux SCSI Target Infrastructure]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Device Mapper]

  Powered by Linux