[svn-r17807] Description:

	Bring r17623 from trunk to 1.8 branch:

	Bring "compress group's fractal heap" feature from feature branch.

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 (smirom) 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-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in debug mode
       Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode
       Mac OS X/32 10.6.1 (amazon) in debug mode
       Mac OS X/32 10.6.1 (amazon) w/C++ & FORTRAN, w/threadsafe,
               in production mode

1 files changed, 17 insertions, 2 deletions

diff --git a/src/H5HFhdr.c b/src/H5HFhdr.c
index c7dada2..c326a59 100644
--- a/src/H5HFhdr.c
+++ b/src/H5HFhdr.c
@@ -420,6 +420,17 @@ H5HF_hdr_create(H5F_t *f, hid_t dxpl_id, const H5HF_create_t *cparam)
      *  length is already set in that case (its stored in the header on disk))
      */
     if(cparam->pline.nused > 0) {
+        /* Check if the filters in the DCPL can be applied to this dataset */
+        if(H5Z_can_apply_direct(&(cparam->pline)) < 0)
+            HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, HADDR_UNDEF, "I/O filters can't operate on this heap")
+
+        /* Mark the filters as checked */
+        hdr->checked_filters = TRUE;
+
+        /* Make the "set local" filter callbacks for this dataset */
+        if(H5Z_set_local_direct(&(cparam->pline)) < 0)
+            HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, HADDR_UNDEF, "unable to set local filter parameters")
+
         /* Copy the I/O filter pipeline from the creation parameters to the header */
         if(NULL == H5O_msg_copy(H5O_PLINE_ID, &(cparam->pline), &(hdr->pline)))
             HGOTO_ERROR(H5E_HEAP, H5E_CANTCOPY, HADDR_UNDEF, "can't copy I/O filter pipeline")
@@ -427,7 +438,7 @@ H5HF_hdr_create(H5F_t *f, hid_t dxpl_id, const H5HF_create_t *cparam)
         /* Pay attention to the latest version flag for the file */
         if(H5F_USE_LATEST_FORMAT(hdr->f))
             /* Set the latest version for the I/O pipeline message */
-            if(H5Z_set_latest_version(&(hdr->pline)) < 0)
+            if(H5O_pline_set_latest_version(&(hdr->pline)) < 0)
                 HGOTO_ERROR(H5E_HEAP, H5E_CANTSET, HADDR_UNDEF, "can't set latest version of I/O filter pipeline")
 
         /* Compute the I/O filters' encoded size */
@@ -443,10 +454,14 @@ HDfprintf(stderr, "%s: hdr->filter_len = %u\n", FUNC, hdr->filter_len);
             + 4                                 /* Size of filter mask for filtered root direct block */
             + hdr->filter_len;                  /* Size of encoded I/O filter info */
     } /* end if */
-    else
+    else {
         /* Set size of header on disk */
         hdr->heap_size = H5HF_HEADER_SIZE(hdr);
 
+        /* Mark filters as checked, for performance reasons */
+        hdr->checked_filters = TRUE;
+    } /* end else */
+
     /* Set the length of IDs in the heap */
     /* (This code is not in the "finish init phase" routines because those
      *  routines are also called from the cache 'load' callback, and the ID