xprtrdma: Basic support for Remote Invalidation
authorChuck Lever <chuck.lever@oracle.com>
Thu, 15 Sep 2016 14:57:16 +0000 (10:57 -0400)
committerAnna Schumaker <Anna.Schumaker@Netapp.com>
Mon, 19 Sep 2016 17:08:38 +0000 (13:08 -0400)
commitc8b920bb49939a5c6cf1d2d819300f318ea050d2
tree086a61c117611ec50dee5e8d273390a6fce0c269
parent87cfb9a0c85ce4a0c96a4f3d692a85519b933ade
xprtrdma: Basic support for Remote Invalidation

Have frwr's ro_unmap_sync recognize an invalidated rkey that appears
as part of a Receive completion. Local invalidation can be skipped
for that rkey.

Use an out-of-band signaling mechanism to indicate to the server
that the client is prepared to receive RDMA Send With Invalidate.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
net/sunrpc/xprtrdma/fmr_ops.c
net/sunrpc/xprtrdma/frwr_ops.c
net/sunrpc/xprtrdma/rpc_rdma.c
net/sunrpc/xprtrdma/transport.c
net/sunrpc/xprtrdma/verbs.c
net/sunrpc/xprtrdma/xprt_rdma.h