diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2018-12-19 17:00:06 +0100 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-01-02 18:05:18 +0100 |
| commit | 53b2c1cb9b3cd901a200ddbbf08c77eabf1ab3e9 (patch) | |
| tree | e20a935d8b8d03f21e7d4ac47609794432bbe447 /net | |
| parent | xprtrdma: Add trace points for calls to transport switch methods (diff) | |
| download | linux-53b2c1cb9b3cd901a200ddbbf08c77eabf1ab3e9.tar.xz linux-53b2c1cb9b3cd901a200ddbbf08c77eabf1ab3e9.zip | |
xprtrdma: Trace mapping, alloc, and dereg failures
These are rare, but can be helpful at tracking down DMAR and other
problems.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/xprtrdma/frwr_ops.c | 12 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/rpc_rdma.c | 2 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 4 |
3 files changed, 8 insertions, 10 deletions
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index 1f508f4742f9..8a0f1a6e6927 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -113,8 +113,7 @@ void frwr_release_mr(struct rpcrdma_mr *mr) rc = ib_dereg_mr(mr->frwr.fr_mr); if (rc) - pr_err("rpcrdma: final ib_dereg_mr for %p returned %i\n", - mr, rc); + trace_xprtrdma_frwr_dereg(mr, rc); kfree(mr->mr_sg); kfree(mr); } @@ -177,8 +176,7 @@ int frwr_init_mr(struct rpcrdma_ia *ia, struct rpcrdma_mr *mr) out_mr_err: rc = PTR_ERR(frwr->fr_mr); - dprintk("RPC: %s: ib_alloc_mr status %i\n", - __func__, rc); + trace_xprtrdma_frwr_alloc(mr, rc); return rc; out_list_err: @@ -465,15 +463,13 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt, return seg; out_dmamap_err: - pr_err("rpcrdma: failed to DMA map sg %p sg_nents %d\n", - mr->mr_sg, i); frwr->fr_state = FRWR_IS_INVALID; + trace_xprtrdma_frwr_sgerr(mr, i); rpcrdma_mr_put(mr); return ERR_PTR(-EIO); out_mapmr_err: - pr_err("rpcrdma: failed to map mr %p (%d/%d)\n", - frwr->fr_mr, n, mr->mr_nents); + trace_xprtrdma_frwr_maperr(mr, n); rpcrdma_mr_recycle(mr); return ERR_PTR(-EIO); } diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 54fbd70c661c..062aee97b070 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -665,7 +665,7 @@ out_mapping_overflow: out_mapping_err: rpcrdma_unmap_sendctx(sc); - pr_err("rpcrdma: Send mapping error\n"); + trace_xprtrdma_dma_maperr(sge[sge_no].addr); return false; } diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 85c51b8c438d..719b69c8bb81 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1392,8 +1392,10 @@ __rpcrdma_dma_map_regbuf(struct rpcrdma_ia *ia, struct rpcrdma_regbuf *rb) (void *)rb->rg_base, rdmab_length(rb), rb->rg_direction); - if (ib_dma_mapping_error(device, rdmab_addr(rb))) + if (ib_dma_mapping_error(device, rdmab_addr(rb))) { + trace_xprtrdma_dma_maperr(rdmab_addr(rb)); return false; + } rb->rg_device = device; rb->rg_iov.lkey = ia->ri_pd->local_dma_lkey; |