Why is NFSv4.2 READ_PLUS off for RDMA transport?

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Good afternoon!

Why is NFSv4.2 READ_PLUS off for RDMA transport?

fs/nfs/nfs4client.c has this code:
 1084  void nfs4_server_set_init_caps(struct nfs_server *server)
 1085  {
 1086          /* Set the basic capabilities */
...
 1090          if (server->nfs_client->cl_proto == XPRT_TRANSPORT_RDMA)
 1091                  server->caps &= ~NFS_CAP_READ_PLUS;

Why?

Ced
-- 
Cedric Blancher <cedric.blancher@xxxxxxxxx>
[https://plus.google.com/u/0/+CedricBlancher/]
Institute Pasteur




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