libceph: unregister request in __map_request failed and nofail == false
majianpeng [Tue, 16 Jul 2013 07:45:48 +0000 (15:45 +0800)]
commit 73d9f7eef3d98c3920e144797cc1894c6b005a1e upstream.

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.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

net/ceph/osd_client.c

index 3a246a6..46ec767 100644 (file)
@@ -2130,6 +2130,8 @@ 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;
        }