libceph: unregister request in __map_request failed and nofail == false

For nofail == false request, if __map_request failed, the caller does
cleanup work, like releasing the relative pages.  It doesn't make any sense
to retry this request.

CC: stable@vger.kernel.org
Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Reviewed-by: Sage Weil <sage@inktank.com>

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index dd47889adc4aec94941d6f17105878ebe235db8f..dbc0a7392d67b67b276e985453aa5e6d5ae8ee9f 100644 (file)
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -2129,6 +2129,8 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc,
                        dout("osdc_start_request failed map, "
                                " will retry %lld\n", req->r_tid);
                        rc = 0;
+               } else {
+                       __unregister_request(osdc, req);
                }
                goto out_unlock;
        }