LU-1683 agl: increase lock cll_holds for AGL upcall

[fs/lustre-release.git] / lustre / osc / osc_request.c

diff --git a/lustre/osc/osc_request.c b/lustre/osc/osc_request.c
index b288b04..d693fb6 100644 (file)
--- a/lustre/osc/osc_request.c
+++ b/lustre/osc/osc_request.c
@@ -2495,7 +2495,10 @@ int osc_enqueue_base(struct obd_export *exp, struct ldlm_res_id *res_id,
                                  * are explained in lov_enqueue() */
                         }
 
-                        /* We already have a lock, and it's referenced */
+                       /* We already have a lock, and it's referenced.
+                        *
+                        * At this point, the cl_lock::cll_state is CLS_QUEUING,
+                        * AGL upcall may change it to CLS_HELD directly. */
                         (*upcall)(cookie, ELDLM_OK);
 
                         if (einfo->ei_mode != mode)