[svn-r13978] purpose:

New feature.

Description:
Added routines to report on the amount of storage for:
1) 1.6 btree and heap storage info for groups
2) 1.8 btree, fractal heap storage info for groups, attributes and SOHM table
3) btree storage for chunked datasets
4) 1.8 superblock extension size.

Platform tested:
h5committested.

1 files changed, 47 insertions, 0 deletions

diff --git a/src/H5FS.c b/src/H5FS.c
index 055c992..1417713 100644
--- a/src/H5FS.c
+++ b/src/H5FS.c
@@ -493,4 +493,51 @@ HDfprintf(stderr, "%s: fspace->hdr->tot_sect_count = %Hu\n", "H5FS_assert", fspa
     FUNC_LEAVE_NOAPI(SUCCEED)
 } /* end H5FS_assert() */
 #endif /* H5FS_DEBUG */
+
+/*-------------------------------------------------------------------------
+ * Function:    H5FS_meta_info
+ *
+ * Purpose:     Collect meta storage info used by the free space manager
+ *
+ * Return:      Success:        non-negative 
+ *              Failure:        negative
+ *
+ * Programmer:  Vailin Choi
+ *              June 19, 2007
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FS_meta_info(H5F_t *f, hid_t dxpl_id, haddr_t fs_addr, hsize_t *meta_size)
+{
+    H5FS_t      *fspace = NULL;         /* Free space header info */
+    H5FS_prot_t fs_prot;                /* Information for protecting free space manager */
+    herr_t      ret_value = SUCCEED;    /* Return value */
+
+    FUNC_ENTER_NOAPI(H5FS_meta_info, FAIL)
+    /*
+     * Check arguments.
+     */
+    HDassert(f);
+    HDassert(H5F_addr_defined(fs_addr));
+    HDassert(meta_size);
+
+    /* Initialize user data for protecting the free space manager */
+    fs_prot.nclasses = 0;
+    fs_prot.classes = NULL;
+    fs_prot.cls_init_udata = NULL;
+ 
+    /*
+     * Load the free space header.
+     */
+    if(NULL == (fspace = H5AC_protect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, &fs_prot, NULL, H5AC_READ)))
+	HGOTO_ERROR(H5E_FSPACE, H5E_CANTLOAD, FAIL, "unable to load free space header")
+
+    *meta_size = H5FS_HEADER_SIZE(f) + fspace->alloc_sect_size;
+ 
+done:
+    if(fspace && H5AC_unprotect(f, dxpl_id, H5AC_FSPACE_HDR, fs_addr, fspace, H5AC__NO_FLAGS_SET) < 0)
+        HDONE_ERROR(H5E_FSPACE, H5E_PROTECT, FAIL, "unable to release free space header")
 
+    FUNC_LEAVE_NOAPI(ret_value) 
+}