Re: [PATCH V5 5/5] RDMA/isert: Limit read depth based on the device max_sge_rd capability

Chuck Lever
2015-07-14T18:47:23Z

On Jul 14, 2015, at 11:49 AM, Steve Wise <swise@opengridcomputing.com> wrote:

>
>
>> -----Original Message-----
>> From: 'Christoph Hellwig' [mailto:hch@infradead.org]
>> Sent: Tuesday, July 14, 2015 10:42 AM
>> To: Steve Wise
>> Cc: 'Christoph Hellwig'; Chuck Lever; dledford@redhat.com; infinipath@intel.com; sagig@mellanox.com; ogerlitz@mellanox.com;
>> roid@mellanox.com; linux-rdma@vger.kernel.org; eli@mellanox.com; target-devel@vger.kernel.org
>> Subject: Re: [PATCH V5 5/5] RDMA/isert: Limit read depth based on the device max_sge_rd capability
>>
>> On Tue, Jul 14, 2015 at 09:41:00AM -0500, Steve Wise wrote:
>>>> Btw, any hance to make the NFS client use these values as well instead
>>>> of the current rdma_read_max_sge() hack?
>>>
>>> Chuck, can you add this to your cleanup list?
>>
>> It would be useful to add this to your series so we can get rid of
>> it for the next merge window instead of introducing a depenency that
>> would defer it to the next merge window.
>
> Ok, I will do this.

Steve, can you review v2 of the nfs-rdma-for-4.3 series I posted
yesterday? Specifically:

http://git.linux-nfs.org/?p=cel/cel-2.6.git;a=commit;h=6abafb636e03fbb7f93a26796223833581a70190

Which changes the way xprtrdma uses max_sge.

--
Chuck Lever