Re: [PATCH] iser-target: stop using frwr for small IOs

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

 



On Tue, 2013-11-12 at 09:14 +0200, Or Gerlitz wrote:
> On 11/11/2013 23:02, Nicholas A. Bellinger wrote:
> > Just wondering, is not FMR still required for T10 PI regardless for
> > small IOs here..?
> >
> > Should this be depending upon if a protection memory region is in use,
> > or do you plan to send that as a separate patch..?
>
> Nic, there will be changes to support T10, sure, still, this patch is 
> needed for 3.13 to make sure we don't havelower IOPS rate b/c of doing 
> FRWRs. The T10 support will come on top and involve more changes, way 
> beyond this one, but kernel development is done incrementally...

The point is that if FMR is only required for future T10 PI support, why
not just disable it by default, instead of just avoiding it for the
small block count == 1 case..?

--nab

--
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