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| author | Chuck Lever <chuck.lever@oracle.com> | 2014-07-29 17:24:19 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2014-07-31 16:22:54 -0400 |
| commit | c93e986a295d537589efd0504f36ca952bd1a5be (patch) | |
| tree | f36cea28c43152182d785b5e4968d3786a3e5afb /net/sunrpc/xprtrdma | |
| parent | 0dbb4108a6a615589751de2aaf468d3ddbcef24c (diff) | |
| download | linux-c93e986a295d537589efd0504f36ca952bd1a5be.tar.gz linux-c93e986a295d537589efd0504f36ca952bd1a5be.tar.bz2 linux-c93e986a295d537589efd0504f36ca952bd1a5be.zip | |
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>
Diffstat (limited to 'net/sunrpc/xprtrdma')
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index dd1dabcd3a07..b670f4d92840 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1577,6 +1577,7 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, if (rc) { dprintk("RPC: %s: failed ib_post_send for register," " status %i\n", __func__, rc); + ib_update_fast_reg_key(mr, --key); goto out_err; } else { seg1->mr_rkey = mr->rkey; |