The server does indeed now support NFSv4.1 on RDMA transports. It does not support shifting an RDMA-capable TCP transport (such as iWARP) to RDMA mode. Reported-by: Shirley Ma <shirley.ma@xxxxxxxxxx> Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> --- fs/nfsd/nfs4state.c | 5 ++--- fs/nfsd/nfs4xdr.c | 2 +- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index c484a2b..12940cb 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2710,10 +2710,9 @@ nfsd4_create_session(struct svc_rqst *rqstp, goto out_free_conn; } status = nfs_ok; - /* - * We do not support RDMA or persistent sessions - */ + /* Persistent sessions are not supported */ cr_ses->flags &= ~SESSION4_PERSIST; + /* Upshifting from TCP to RDMA is not supported */ cr_ses->flags &= ~SESSION4_RDMA; init_session(rqstp, new, conf, cr_ses); diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index d6ef095..a12a2ea 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -3060,7 +3060,7 @@ static __be32 nfsd4_encode_bind_conn_to_session(struct nfsd4_compoundres *resp, p = xdr_encode_opaque_fixed(p, bcts->sessionid.data, NFS4_MAX_SESSIONID_LEN); *p++ = cpu_to_be32(bcts->dir); - /* Sorry, we do not yet support RDMA over 4.1: */ + /* Upshifting from TCP to RDMA is not supported */ *p++ = cpu_to_be32(0); } return nfserr; -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html