tree f36cea28c43152182d785b5e4968d3786a3e5afb
parent 0dbb4108a6a615589751de2aaf468d3ddbcef24c
author Chuck Lever <chuck.lever@oracle.com> 1406669059 -0400
committer Anna Schumaker <Anna.Schumaker@Netapp.com> 1406838174 -0400

xprtrdma: Back off rkey when FAST_REG_MR fails

If posting a FAST_REG_MR Work Reqeust fails, revert the rkey update
to avoid subsequent IB_WC_MW_BIND_ERR completions.

Suggested-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>