XPRTRDMA max payload?

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Hi all,

I thought that the max payload for XPRTRDMA would be 1 MB. It seems to be set on the client to 23 KB (RPCRDMA_MAX_DATA_SEGS * PAGE_SIZE). The server, on the other hand, sets it to 1 MB (RPCSVC_MAXPAYLOAD_TCP).

If I try to mount with rdma with:

# mount.nfs host:/exports /mnt/test -o rdma,port=2050,rsize=1048576,wsize=1048576

It ignores the size parameters and /proc/mounts shows it is 32 KB.

Is there a way to increase it at loadtime or runtime or do I need to change RPCRDMA_MAX_DATA_SEGS and recompile?

Thanks,

Scott
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