tree 1f82324534f739d56bae5ccddee60acb4599e1d6
parent aa85ae9db9d123c3d37645bbd491f9fe89b43ece
author Santosh Shilimkar <santosh.shilimkar@oracle.com> 1467677077 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1512031150 +0000

RDS: RDMA: return appropriate error on rdma map failures


[ Upstream commit 584a8279a44a800dea5a5c1e9d53a002e03016b4 ]

The first message to a remote node should prompt a new
connection even if it is RDMA operation. For RDMA operation
the MR mapping can fail because connections is not yet up.

Since the connection establishment is asynchronous,
we make sure the map failure because of unavailable
connection reach to the user by appropriate error code.
Before returning to the user, lets trigger the connection
so that its ready for the next retry.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>