Only report succesful linkage when we are in verbose mode.

src/engine.c

@@ -689,7 +689,7 @@ void engine_redistribute(struct engine *e) {
 
   /* Verify that the links are correct */
   part_verify_links(parts_new, gparts_new, sparts_new, nr_parts, nr_gparts,
-                    nr_sparts);
+                    nr_sparts, e->verbose);
 #endif
 
   /* Set the new part data, free the old. */
@@ -2910,7 +2910,7 @@ void engine_init_particles(struct engine *e, int flag_entropy_ICs) {
 #ifdef SWIFT_DEBUG_CHECKS
   space_check_timesteps(e->s);
   part_verify_links(e->s->parts, e->s->gparts, e->s->sparts, e->s->nr_parts,
-                    e->s->nr_gparts, e->s->nr_sparts);
+                    e->s->nr_gparts, e->s->nr_sparts, e->verbose);
 #endif
 
   /* Ready to go */
@@ -3245,7 +3245,7 @@ void engine_split(struct engine *e, struct partition *initial_partition) {
 
   /* Verify that the links are correct */
   part_verify_links(s->parts, s->gparts, s->sparts, s->nr_parts, s->nr_gparts,
-                    s->nr_sparts);
+                    s->nr_sparts, e->verbose);
 #endif
 
 #else

src/part.c

@@ -106,10 +106,11 @@ void part_relink_sparts_to_gparts(struct gpart *gparts, size_t N,
  * @param nr_parts The number of #part in the array.
  * @param nr_gparts The number of #gpart in the array.
  * @param nr_sparts The number of #spart in the array.
+ * @param verbose Do we report verbosely in case of success ?
  */
 void part_verify_links(struct part *parts, struct gpart *gparts,
                        struct spart *sparts, size_t nr_parts, size_t nr_gparts,
-                       size_t nr_sparts) {
+                       size_t nr_sparts, int verbose) {
 
   for (size_t k = 0; k < nr_gparts; ++k) {
 
@@ -223,7 +224,7 @@ void part_verify_links(struct part *parts, struct gpart *gparts,
     }
   }
 
-  message("All links OK");
+  if(verbose) message("All links OK");
 }
 
 #ifdef WITH_MPI

src/part.h

@@ -78,7 +78,7 @@ void part_relink_sparts_to_gparts(struct gpart *gparts, size_t N,
                                   struct spart *sparts);
 void part_verify_links(struct part *parts, struct gpart *gparts,
                        struct spart *sparts, size_t nr_parts, size_t nr_gparts,
-                       size_t nr_sparts);
+                       size_t nr_sparts, int verbose);
 
 #ifdef WITH_MPI
 /* MPI data type for the particle transfers */

src/space.c

@@ -816,7 +816,7 @@ void space_rebuild(struct space *s, int verbose) {
 #ifdef SWIFT_DEBUG_CHECKS
   /* Verify that the links are correct */
   part_verify_links(s->parts, s->gparts, s->sparts, nr_parts, nr_gparts,
-                    nr_sparts);
+                    nr_sparts, verbose);
 #endif
 
   /* Hook the cells up to the parts. */