Merge pull request #687 in HDFFV/hdf5 from merge_full_swmr_02 to develop

* commit '744b6b282f087ce23310805dc24ce8f8b351fb61':
  Better segregate clean & dirty LRU lists so that they are only defined when the H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS macro is defined.

5 files changed, 16 insertions, 0 deletions

diff --git a/src/H5C.c b/src/H5C.c
index 926d3fd..0d8cc75 100644
--- a/src/H5C.c
+++ b/src/H5C.c
@@ -366,6 +366,7 @@ H5C_create(size_t		      max_cache_size,
     cache_ptr->coll_write_list			= NULL;
 #endif /* H5_HAVE_PARALLEL */
 
+#if H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS
     cache_ptr->cLRU_list_len			= 0;
     cache_ptr->cLRU_list_size			= (size_t)0;
     cache_ptr->cLRU_head_ptr			= NULL;
@@ -375,6 +376,7 @@ H5C_create(size_t		      max_cache_size,
     cache_ptr->dLRU_list_size			= (size_t)0;
     cache_ptr->dLRU_head_ptr			= NULL;
     cache_ptr->dLRU_tail_ptr			= NULL;
+#endif /* H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS */
 
     cache_ptr->size_increase_possible		= FALSE;
     cache_ptr->flash_size_increase_possible     = FALSE;
@@ -1481,8 +1483,10 @@ H5C_insert_entry(H5F_t *             f,
     entry_ptr->next = NULL;
     entry_ptr->prev = NULL;
 
+#if H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS
     entry_ptr->aux_next = NULL;
     entry_ptr->aux_prev = NULL;
+#endif /* H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS */
 
 #ifdef H5_HAVE_PARALLEL
     entry_ptr->coll_next = NULL;
@@ -6949,8 +6953,10 @@ H5C_load_entry(H5F_t *              f,
     entry->next                         = NULL;
     entry->prev                         = NULL;
 
+#if H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS
     entry->aux_next                     = NULL;
     entry->aux_prev                     = NULL;
+#endif /* H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS */
 
 #ifdef H5_HAVE_PARALLEL
     entry->coll_next                    = NULL;
@@ -7285,6 +7291,7 @@ H5C__make_space_in_cache(H5F_t *f, hid_t dxpl_id, size_t space_needed,
 
         HDassert( H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS );
 
+#if H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS
         initial_list_len = cache_ptr->cLRU_list_len;
         entry_ptr = cache_ptr->cLRU_tail_ptr;
 
@@ -7329,6 +7336,7 @@ H5C__make_space_in_cache(H5F_t *f, hid_t dxpl_id, size_t space_needed,
             entry_ptr = prev_ptr;
 	    entries_examined++;
         }
+#endif /* H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS */
     }
 
 done:
diff --git a/src/H5Cdbg.c b/src/H5Cdbg.c
index 4a08d9b..08c70d9 100644
--- a/src/H5Cdbg.c
+++ b/src/H5Cdbg.c
@@ -716,6 +716,7 @@ H5C_stats(H5C_t * cache_ptr,
               (long)(cache_ptr->LRU_list_size),
               (unsigned long)(cache_ptr->LRU_list_len));
 
+#if H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS
     HDfprintf(stdout,
               "%s  current clean LRU size / length    = %ld / %lu\n",
               cache_ptr->prefix,
@@ -727,6 +728,7 @@ H5C_stats(H5C_t * cache_ptr,
               cache_ptr->prefix,
               (long)(cache_ptr->dLRU_list_size),
               (unsigned long)(cache_ptr->dLRU_list_len));
+#endif /* H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS */
 
     HDfprintf(stdout,
               "%s  Total hits / misses / hit_rate     = %ld / %ld / %f\n",
diff --git a/src/H5Cimage.c b/src/H5Cimage.c
index debd30c..53d1712 100644
--- a/src/H5Cimage.c
+++ b/src/H5Cimage.c
@@ -649,8 +649,10 @@ H5C__deserialize_prefetched_entry(H5F_t *f, hid_t dxpl_id, H5C_t *cache_ptr,
     /* Initialize fields supporting replacement policies: */
     ds_entry_ptr->next                      	= NULL;
     ds_entry_ptr->prev                      	= NULL;
+#if H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS
     ds_entry_ptr->aux_next                  	= NULL;
     ds_entry_ptr->aux_prev                  	= NULL;
+#endif /* H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS */
 #ifdef H5_HAVE_PARALLEL
     pf_entry_ptr->coll_next                 	= NULL;
     pf_entry_ptr->coll_prev                 	= NULL;
diff --git a/src/H5Cpkg.h b/src/H5Cpkg.h
index fdb14a5..d431887 100644
--- a/src/H5Cpkg.h
+++ b/src/H5Cpkg.h
@@ -4746,6 +4746,7 @@ struct H5C_t {
     H5C_cache_entry_t *		LRU_head_ptr;
     H5C_cache_entry_t *		LRU_tail_ptr;
 
+#if H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS
     /* Fields for clean LRU list of entries */
     uint32_t                    cLRU_list_len;
     size_t                      cLRU_list_size;
@@ -4757,6 +4758,7 @@ struct H5C_t {
     size_t                      dLRU_list_size;
     H5C_cache_entry_t *		dLRU_head_ptr;
     H5C_cache_entry_t *	        dLRU_tail_ptr;
+#endif /* H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS */
 
 #ifdef H5_HAVE_PARALLEL
     /* Fields for collective metadata reads */
diff --git a/src/H5Cprivate.h b/src/H5Cprivate.h
index 5335f80..50732ca 100644
--- a/src/H5Cprivate.h
+++ b/src/H5Cprivate.h
@@ -1648,8 +1648,10 @@ typedef struct H5C_cache_entry_t {
     /* fields supporting replacement policies: */
     struct H5C_cache_entry_t   *next;
     struct H5C_cache_entry_t   *prev;
+#if H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS
     struct H5C_cache_entry_t   *aux_next;
     struct H5C_cache_entry_t   *aux_prev;
+#endif /* H5C_MAINTAIN_CLEAN_AND_DIRTY_LRU_LISTS */
 #ifdef H5_HAVE_PARALLEL
     struct H5C_cache_entry_t   *coll_next;
     struct H5C_cache_entry_t   *coll_prev;