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-rw-r--r--src/H5Cpkg.h22
1 files changed, 18 insertions, 4 deletions
diff --git a/src/H5Cpkg.h b/src/H5Cpkg.h
index 949f923..7c04ea2 100644
--- a/src/H5Cpkg.h
+++ b/src/H5Cpkg.h
@@ -465,6 +465,18 @@
* all the ways this can happen, we simply set this flag when
* we receive a new configuration.
*
+ * flash_size_increase_possible: Depending on the configuration data given
+ * in the resize_ctl field, it may or may not be possible
+ * for a flash size increase to occur. We set this flag
+ * whenever we receive a new configuration so as to avoid
+ * repeated calculations.
+ *
+ * flash_size_increase_threshold: If a flash cache size increase is possible,
+ * this field is used to store the minimum size of a new entry
+ * or size increase needed to trigger a flash cache size
+ * increase. Note that this field must be updated whenever
+ * the size of the cache is changed.
+ *
* size_decrease_possible: Depending on the configuration data given
* in the resize_ctl field, it may or may not be possible
* to decrease the size of the cache. Rather than test for
@@ -580,10 +592,10 @@
* equal to the array index has not been in cache when
* requested in the current epoch.
*
- * write_protects: Array of int64 of length H5C__MAX_NUM_TYPE_IDS + 1. The cells
- * are used to record the number of times an entry with type id
- * equal to the array index has been write protected in the
- * current epoch.
+ * write_protects: Array of int64 of length H5C__MAX_NUM_TYPE_IDS + 1. The
+ * cells are used to record the number of times an entry with
+ * type id equal to the array index has been write protected
+ * in the current epoch.
*
* Observe that (hits + misses) = (write_protects + read_protects).
*
@@ -855,6 +867,8 @@ struct H5C_t
H5C_cache_entry_t * dLRU_tail_ptr;
hbool_t size_increase_possible;
+ hbool_t flash_size_increase_possible;
+ size_t flash_size_increase_threshold;
hbool_t size_decrease_possible;
hbool_t resize_enabled;
hbool_t cache_full;