[svn-r18740] Description:

	Bring r18738 from metadata journaling 'merging' branch to trunk:

	Switch H5AC_resize_pinned_entry() to work on protected entries as well,
and rename to H5AC_resize_entry()

Tested on:
        FreeBSD/32 6.3 (duty) in debug mode
        FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode
        Linux/32 2.6 (jam) w/PGI compilers, w/default API=1.8.x,
                w/C++ & FORTRAN, w/threadsafe, in debug mode
        Linux/64-amd64 2.6 (amani) w/Intel compilers, w/default API=1.6.x,
                w/C++ & FORTRAN, in production mode
        Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN,
                w/szip filter, in production mode
        Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN,
                in production mode
        Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode
        Mac OS X/32 10.6.3 (amazon) in debug mode
        Mac OS X/32 10.6.3 (amazon) w/C++ & FORTRAN, w/threadsafe,
                in production mode

1 files changed, 37 insertions, 39 deletions

diff --git a/src/H5C.c b/src/H5C.c
index 20fb0e7..6d81128 100644
--- a/src/H5C.c
+++ b/src/H5C.c
@@ -3030,10 +3030,9 @@ done:
 
 
 /*-------------------------------------------------------------------------
- * Function:    H5C_resize_pinned_entry
+ * Function:    H5C_resize_entry
  *
- * Purpose:	Resize a pinned entry.  The target entry MUST be
- * 		be pinned, and MUST be unprotected.
+ * Purpose:	Resize a pinned or protected entry.
  *
  * 		Resizing an entry dirties it, so if the entry is not
  * 		already dirty, the function places the entry on the
@@ -3047,15 +3046,13 @@ done:
  *-------------------------------------------------------------------------
  */
 herr_t
-H5C_resize_pinned_entry(void *thing, size_t new_size)
+H5C_resize_entry(void *thing, size_t new_size)
 {
     H5C_t             * cache_ptr;
     H5C_cache_entry_t * entry_ptr = (H5C_cache_entry_t *)thing;
-    size_t             	size_increase;
-    hbool_t		was_clean;
     herr_t              ret_value = SUCCEED;    /* Return value */
 
-    FUNC_ENTER_NOAPI(H5C_resize_pinned_entry, FAIL)
+    FUNC_ENTER_NOAPI(H5C_resize_entry, FAIL)
 
     /* Sanity checks */
     HDassert(entry_ptr);
@@ -3066,41 +3063,47 @@ H5C_resize_pinned_entry(void *thing, size_t new_size)
 
     /* Check for usage errors */
     if(new_size <= 0)
-        HGOTO_ERROR(H5E_CACHE, H5E_CANTRESIZE, FAIL, "New size is non-positive.")
-    if(!entry_ptr->is_pinned)
-        HGOTO_ERROR(H5E_CACHE, H5E_CANTRESIZE, FAIL, "Entry isn't pinned??")
-    if(entry_ptr->is_protected)
-        HGOTO_ERROR(H5E_CACHE, H5E_CANTRESIZE, FAIL, "Entry is protected??")
-
-    /* make note of whether the entry was clean to begin with */
-    was_clean = ! ( entry_ptr->is_dirty );
-
-    /* resizing dirties entries -- mark the entry as dirty if it
-     * isn't already
-     */
-    entry_ptr->is_dirty = TRUE;
+        HGOTO_ERROR(H5E_CACHE, H5E_BADVALUE, FAIL, "New size is non-positive.")
+    if(!(entry_ptr->is_pinned || entry_ptr->is_protected))
+        HGOTO_ERROR(H5E_CACHE, H5E_CANTRESIZE, FAIL, "Entry isn't pinned or protected??")
 
     /* update for change in entry size if necessary */
     if ( entry_ptr->size != new_size ) {
+        hbool_t		was_clean;
+
+        /* make note of whether the entry was clean to begin with */
+        was_clean = ! ( entry_ptr->is_dirty );
+
+        /* mark the entry as dirty if it isn't already */
+        entry_ptr->is_dirty = TRUE;
 
         /* do a flash cache size increase if appropriate */
         if ( cache_ptr->flash_size_increase_possible ) {
 
             if ( new_size > entry_ptr->size ) {
+                size_t             	size_increase;
 
                 size_increase = new_size - entry_ptr->size;
 
                 if(size_increase >= cache_ptr->flash_size_increase_threshold) {
                     if(H5C__flash_increase_cache_size(cache_ptr, entry_ptr->size, new_size) < 0)
-                        HGOTO_ERROR(H5E_CACHE, H5E_CANTUNPROTECT, FAIL, "flash cache increase failed")
+                        HGOTO_ERROR(H5E_CACHE, H5E_CANTRESIZE, FAIL, "flash cache increase failed")
                 }
             }
         }
 
-        /* update the protected entry list */
-        H5C__DLL_UPDATE_FOR_SIZE_CHANGE((cache_ptr->pel_len), \
-                                        (cache_ptr->pel_size), \
-                                        (entry_ptr->size), (new_size));
+        /* update the pinned or protected entry list */
+        if(entry_ptr->is_pinned) {
+            H5C__DLL_UPDATE_FOR_SIZE_CHANGE((cache_ptr->pel_len), \
+                                            (cache_ptr->pel_size), \
+                                            (entry_ptr->size), (new_size));
+        } /* end if */
+        else {
+            HDassert(entry_ptr->is_protected);
+            H5C__DLL_UPDATE_FOR_SIZE_CHANGE((cache_ptr->pl_len), \
+                                            (cache_ptr->pl_size), \
+                                            (entry_ptr->size), (new_size));
+        } /* end else */
 
         /* update the hash table */
 	H5C__UPDATE_INDEX_FOR_SIZE_CHANGE((cache_ptr), (entry_ptr->size),\
@@ -3108,10 +3111,9 @@ H5C_resize_pinned_entry(void *thing, size_t new_size)
 
         /* if the entry is in the skip list, update that too */
         if ( entry_ptr->in_slist ) {
-
 	    H5C__UPDATE_SLIST_FOR_SIZE_CHANGE((cache_ptr), (entry_ptr->size),\
                                               (new_size));
-        }
+        } /* end if */
 
         /* update statistics just before changing the entry size */
 	H5C__UPDATE_STATS_FOR_ENTRY_SIZE_CHANGE((cache_ptr), (entry_ptr), \
@@ -3120,22 +3122,18 @@ H5C_resize_pinned_entry(void *thing, size_t new_size)
 	/* finally, update the entry size proper */
 	entry_ptr->size = new_size;
 
-    } else if ( was_clean ) {
-
-	H5C__UPDATE_INDEX_FOR_ENTRY_DIRTY(cache_ptr, entry_ptr)
-    }
-
-
-    if ( ! (entry_ptr->in_slist) ) {
-
-	H5C__INSERT_ENTRY_IN_SLIST(cache_ptr, entry_ptr, FAIL)
-    }
+        if(!entry_ptr->in_slist) {
+            H5C__INSERT_ENTRY_IN_SLIST(cache_ptr, entry_ptr, FAIL)
+        } /* end if */
 
-    H5C__UPDATE_STATS_FOR_DIRTY_PIN(cache_ptr, entry_ptr)
+        if(entry_ptr->is_pinned) {
+            H5C__UPDATE_STATS_FOR_DIRTY_PIN(cache_ptr, entry_ptr)
+        } /* end if */
+    } /* end if */
 
 done:
     FUNC_LEAVE_NOAPI(ret_value)
-} /* H5C_resize_pinned_entry() */
+} /* H5C_resize_entry() */
 
 
 /*-------------------------------------------------------------------------