On Fri, Jul 10, 2015 at 10:53:40AM -0400, Chuck Lever wrote:
> It is certainly possible to examine the device’s max_sge field
> in rpcrdma_ep_create() and fail transport creation if the
> device’s max_sge is less than RPC_MAX_IOVS.
I just want to draw Sagi's attention to this problem, when consid
> On Jul 10, 2015, at 4:43 PM, Anna Schumaker wrote:
>
> Hi Chuck,
>
> On 07/09/2015 04:43 PM, Chuck Lever wrote:
>> Only the RPC/RDMA header is sent when making an RDMA_NOMSG call.
>> That header resides in the first element of the iovec array
>> passed to rpcrdma_ep_post().
>>
>> Instead of
Hi Chuck,
On 07/09/2015 04:43 PM, Chuck Lever wrote:
> Only the RPC/RDMA header is sent when making an RDMA_NOMSG call.
> That header resides in the first element of the iovec array
> passed to rpcrdma_ep_post().
>
> Instead of special casing the iovec element with the pad, just
> sync all the el
On Jul 10, 2015, at 10:11 AM, Devesh Sharma wrote:
> On Fri, Jul 10, 2015 at 6:28 PM, Tom Talpey wrote:
>> On 7/10/2015 7:29 AM, Devesh Sharma wrote:
>>>
>>> we need to honor the max limits of device by checking
>>> dev_attr.max_sge? a vendor may not support 4 sges.
>>
>>
>> iWARP requires a
On Fri, Jul 10, 2015 at 6:28 PM, Tom Talpey wrote:
> On 7/10/2015 7:29 AM, Devesh Sharma wrote:
>>
>> we need to honor the max limits of device by checking
>> dev_attr.max_sge? a vendor may not support 4 sges.
>
>
> iWARP requires a minimum of 4 send SGEs (draft-hilland-verbs 8.1.3.2)
>
>An RI
On 7/10/2015 7:29 AM, Devesh Sharma wrote:
we need to honor the max limits of device by checking
dev_attr.max_sge? a vendor may not support 4 sges.
iWARP requires a minimum of 4 send SGEs (draft-hilland-verbs 8.1.3.2)
An RI MUST support at least four Scatter/Gather Elements per
Scatter/G
we need to honor the max limits of device by checking
dev_attr.max_sge? a vendor may not support 4 sges.
On Fri, Jul 10, 2015 at 2:13 AM, Chuck Lever wrote:
> Only the RPC/RDMA header is sent when making an RDMA_NOMSG call.
> That header resides in the first element of the iovec array
> passed to
Only the RPC/RDMA header is sent when making an RDMA_NOMSG call.
That header resides in the first element of the iovec array
passed to rpcrdma_ep_post().
Instead of special casing the iovec element with the pad, just
sync all the elements in the send iovec. Syncing the zero pad is
not strictly nec
