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| author |   Chuck Lever <chuck.lever@oracle.com> | 2016-03-04 11:28:01 -0500 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-03-14 14:55:55 -0400 |
| commit | b892a699cecc36ca373def4bc5ddc5fa3d46ba3b (patch) | |
| tree | 8f3b5c57ab41ac027b90a9d6f0bbb63b810fdd22 /net/sunrpc/xprtrdma | |
| parent | xprtrdma: Segment head and tail XDR buffers on page boundaries (diff) | |
| download | linux-dev-b892a699cecc36ca373def4bc5ddc5fa3d46ba3b.tar.xz linux-dev-b892a699cecc36ca373def4bc5ddc5fa3d46ba3b.zip | |
xprtrdma: Do not wait if ib_post_send() fails
If ib_post_send() in ro_unmap_sync() fails, the WRs have not been
posted, no completions will fire, and wait_for_completion() will
wait forever. Skip the wait in that case.
To ensure the MRs are invalid, disconnect.
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/frwr_ops.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index e16567389e28..ecb005f871f1 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -520,14 +520,18 @@ frwr_op_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) * unless ri_id->qp is a valid pointer. */ rc = ib_post_send(ia->ri_id->qp, invalidate_wrs, &bad_wr); - if (rc) + if (rc) { pr_warn("%s: ib_post_send failed %i\n", __func__, rc); + rdma_disconnect(ia->ri_id); + goto unmap; + } wait_for_completion(&f->fr_linv_done); /* ORDER: Now DMA unmap all of the req's MRs, and return * them to the free MW list. */ +unmap: for (i = 0, nchunks = req->rl_nchunks; nchunks; nchunks--) { seg = &req->rl_segments[i]; |