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| author | Chuck Lever <chuck.lever@oracle.com> | 2021-08-02 20:44:30 +0200 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2021-08-09 22:42:10 +0200 |
| commit | 683f31c3ab2e60b323b9b88c0ac389ff9cacec1a (patch) | |
| tree | 0643ad8bb83715c4be416f292937280fbb92350d /net/sunrpc | |
| parent | xprtrdma: Put rpcrdma_reps before waking the tear-down completion (diff) | |
| download | linux-683f31c3ab2e60b323b9b88c0ac389ff9cacec1a.tar.xz linux-683f31c3ab2e60b323b9b88c0ac389ff9cacec1a.zip | |
xprtrdma: Add xprtrdma_post_recvs_err() tracepoint
In the vast majority of cases, rc=0. Don't record that in the
post_recvs tracepoint. Instead, add a separate tracepoint that can
be left enabled all the time to capture the very rare immediate
errors returned by ib_post_recv().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 016f10a781b4..1e9041c022b6 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1417,6 +1417,7 @@ void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, int needed, bool temp) rc = ib_post_recv(ep->re_id->qp, wr, (const struct ib_recv_wr **)&bad_wr); if (rc) { + trace_xprtrdma_post_recvs_err(r_xprt, rc); for (wr = bad_wr; wr;) { struct rpcrdma_rep *rep; @@ -1430,7 +1431,7 @@ void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, int needed, bool temp) complete(&ep->re_done); out: - trace_xprtrdma_post_recvs(r_xprt, count, rc); + trace_xprtrdma_post_recvs(r_xprt, count); ep->re_receive_count += count; return; } |