[Lustre-devel] client side reply handling
peter.braam at clusterstor.com
Tue Dec 15 18:01:33 PST 2009
No - buffers can and probably should (because, for example, re-delivery may
leaver buffer state undefined) be unlinked from the match list before
passing the buffer up to any other layer. Portals/LNET certainly can do
The question is why isn't this done, Eric, Isaac, Andreas?
On Tue, Dec 15, 2009 at 9:28 AM, Yuriy Umanets <
yuriy.umanets at clusterstor.com> wrote:
> 2009/12/9 Peter Braam <peter.braam at clusterstor.com>
>> hi Peter,
>> I wonder if LNET doesn't have an atomic operation that unlinks the packet
>> from the delivery process upon receiving a packet. Iirc it does. Why
>> wouldn't one use that?
> That is probably because it still may be in use by upper layers (ptlrpc,
> etc), i.e. it is up to upper layer to decide should its buffers be still
> linked for access or not.
>> Lustre-devel mailing list
>> Lustre-devel at lists.lustre.org
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