RDMA/rtrs-srv: More debugging info when fail to send reply

It does not help to debug if it only print error message
without any debugging information which session and connection
the error happened.

Link: https://lore.kernel.org/r/20210406123639.202899-3-gi-oh.kim@ionos.com
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index 5e9bb7b..740caff 100644 (file)
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -518,8 +518,9 @@ bool rtrs_srv_resp_rdma(struct rtrs_srv_op *id, int status)
 
        if (unlikely(sess->state != RTRS_SRV_CONNECTED)) {
                rtrs_err_rl(s,
-                            "Sending I/O response failed,  session is disconnected, sess state %s\n",
-                            rtrs_srv_state_str(sess->state));
+                           "Sending I/O response failed,  session %s is disconnected, sess state %s\n",
+                           kobject_name(&sess->kobj),
+                           rtrs_srv_state_str(sess->state));
                goto out;
        }
        if (always_invalidate) {
@@ -529,7 +530,9 @@ bool rtrs_srv_resp_rdma(struct rtrs_srv_op *id, int status)
        }
        if (unlikely(atomic_sub_return(1,
                                       &con->sq_wr_avail) < 0)) {
-               pr_err("IB send queue full\n");
+               rtrs_err(s, "IB send queue full: sess=%s cid=%d\n",
+                        kobject_name(&sess->kobj),
+                        con->c.cid);
                atomic_add(1, &con->sq_wr_avail);
                spin_lock(&con->rsp_wr_wait_lock);
                list_add_tail(&id->wait_list, &con->rsp_wr_wait_list);
@@ -543,7 +546,8 @@ bool rtrs_srv_resp_rdma(struct rtrs_srv_op *id, int status)
                err = rdma_write_sg(id);
 
        if (unlikely(err)) {
-               rtrs_err_rl(s, "IO response failed: %d\n", err);
+               rtrs_err_rl(s, "IO response failed: %d: sess=%s\n", err,
+                           kobject_name(&sess->kobj));
                close_sess(sess);
        }
 out: