* [Drbd-dev] MSG_NEW_PACKET flag?
@ 2012-10-11 20:55 Lars Marowsky-Bree
2012-10-18 11:06 ` Lars Ellenberg
0 siblings, 1 reply; 2+ messages in thread
From: Lars Marowsky-Bree @ 2012-10-11 20:55 UTC (permalink / raw)
To: drbd-dev
https://lkml.org/lkml/2012/6/29/204
Could/would drbd benefit from this?
Regards,
Lars
--
Architect Storage/HA
SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 21284 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Drbd-dev] MSG_NEW_PACKET flag?
2012-10-11 20:55 [Drbd-dev] MSG_NEW_PACKET flag? Lars Marowsky-Bree
@ 2012-10-18 11:06 ` Lars Ellenberg
0 siblings, 0 replies; 2+ messages in thread
From: Lars Ellenberg @ 2012-10-18 11:06 UTC (permalink / raw)
To: drbd-dev
On Thu, Oct 11, 2012 at 10:55:55PM +0200, Lars Marowsky-Bree wrote:
> https://lkml.org/lkml/2012/6/29/204
>
> Could/would drbd benefit from this?
Sure.
As Andreas writes in that thread,
The primary use case is fast Gigabit (10 or more) Ethernet connections
with jumbo frames and switches that support them. There, frames will go
through unchanged and you can zero-copy receive all the time.
If the data is misaligned in the socket buffers,
we cannot effectively do zero copy receive.
--
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com
DRBD® and LINBIT® are registered trademarks of LINBIT, Austria.
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2012-10-11 20:55 [Drbd-dev] MSG_NEW_PACKET flag? Lars Marowsky-Bree
2012-10-18 11:06 ` Lars Ellenberg
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