[svn-r27237] Description:

    Merge v3 metadata cache changes to trunk.  Yay! :-)

Tested on:
    MacOSX/64 10.10.3 (amazon) w/serial & parallel
    Linux/32 2.6.x (jam) w/serial & parallel
    (daily tested on branch)

1 files changed, 17 insertions, 6 deletions

diff --git a/src/H5FS.c b/src/H5FS.c
index 42ea070..182ac05 100644
--- a/src/H5FS.c
+++ b/src/H5FS.c
@@ -216,7 +216,7 @@ HDfprintf(stderr, "%s: Opening free space manager, fs_addr = %a, nclasses = %Zu\
     cache_udata.addr = fs_addr;
 
     /* Protect the free space header */
-    if(NULL == (fspace = (H5FS_t *)H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, &cache_udata, H5AC_READ)))
+    if(NULL == (fspace = (H5FS_t *)H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, &cache_udata, H5AC__READ_ONLY_FLAG)))
         HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, NULL, "unable to load free space header")
 #ifdef H5FS_DEBUG
 HDfprintf(stderr, "%s: fspace->sect_addr = %a\n", FUNC, fspace->sect_addr);
@@ -329,7 +329,7 @@ HDfprintf(stderr, "%s: Deleting free space manager, fs_addr = %a\n", FUNC, fs_ad
 #endif /* H5FS_DEBUG */
 
     /* Protect the free space header */
-    if(NULL == (fspace = (H5FS_t *)H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, &cache_udata, H5AC_WRITE)))
+    if(NULL == (fspace = (H5FS_t *)H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, &cache_udata, H5AC__NO_FLAGS_SET)))
         HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, FAIL, "unable to protect free space header")
 
     /* Sanity check */
@@ -361,8 +361,19 @@ HDfprintf(stderr, "%s: Expunging free space section info from cache\n", FUNC);
 #endif /* H5FS_DEBUG */
             /* Evict the free space section info from the metadata cache */
             /* (Free file space) */
-            if(H5AC_expunge_entry(f, dxpl_id, H5AC_FSPACE_SINFO, fspace->sect_addr, H5AC__FREE_FILE_SPACE_FLAG) < 0)
-                HGOTO_ERROR(H5E_HEAP, H5E_CANTREMOVE, FAIL, "unable to remove free space section info from cache")
+            {
+                unsigned cache_flags = H5AC__NO_FLAGS_SET;
+
+                /* if the indirect block is in real file space, tell
+                 * the cache to free its file space.
+                 */
+                if (!H5F_IS_TMP_ADDR(f, fspace->sect_addr))
+                    cache_flags |= H5AC__FREE_FILE_SPACE_FLAG;
+
+                if(H5AC_expunge_entry(f, dxpl_id, H5AC_FSPACE_SINFO, fspace->sect_addr, cache_flags) < 0)
+                    HGOTO_ERROR(H5E_HEAP, H5E_CANTREMOVE, FAIL, "unable to remove free space section info from cache")
+            }
+
 #ifdef H5FS_DEBUG
 HDfprintf(stderr, "%s: Done expunging free space section info from cache\n", FUNC);
 #endif /* H5FS_DEBUG */
@@ -938,7 +949,7 @@ H5FS_free(H5F_t *f, H5FS_t *fspace, hid_t dxpl_id)
             cache_udata.f = f;
             cache_udata.dxpl_id = dxpl_id;
             cache_udata.fspace = fspace;
-	    if(NULL == (fspace->sinfo = (H5FS_sinfo_t *)H5AC_protect(f, dxpl_id, H5AC_FSPACE_SINFO, fspace->sect_addr, &cache_udata, H5AC_READ)))
+	    if(NULL == (fspace->sinfo = (H5FS_sinfo_t *)H5AC_protect(f, dxpl_id, H5AC_FSPACE_SINFO, fspace->sect_addr, &cache_udata, H5AC__READ_ONLY_FLAG)))
 		HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, FAIL, "unable to protect free space section info")
 
 	    /* Unload and release ownership of the free-space manager section info */
@@ -979,7 +990,7 @@ H5FS_free(H5F_t *f, H5FS_t *fspace, hid_t dxpl_id)
             cache_udata.nclasses = 0;
             cache_udata.classes = NULL;
             cache_udata.cls_init_udata = NULL;
-	    if(NULL == (fspace = (H5FS_t *)H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, fspace->addr, &cache_udata, H5AC_READ)))
+	    if(NULL == (fspace = (H5FS_t *)H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, fspace->addr, &cache_udata, H5AC__READ_ONLY_FLAG)))
 		HGOTO_ERROR(H5E_FSPACE, H5E_CANTPROTECT, FAIL, "unable to protect free space section info")
 
 	    /* Unpin the free-space manager header */