[svn-r15800] Description:

	Bring file free space branch changes through r15795 into trunk, which
includes a fair bit of code cleanup & rearrangement along with a couple of
bug fixes also.

Tested on:
        Mac OS X/32 10.5.5 (amazon) in debug mode
        Mac OS X/32 10.5.5 (amazon) w/C++ & FORTRAN, w/threadsafe,
                                in production mode
        FreeBSD/32 6.3 (duty) in debug mode
        FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode
        Linux/32 2.6 (kagiso) w/PGI compilers, 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 production mode
        Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode

1 files changed, 27 insertions, 5 deletions

diff --git a/src/H5FSprivate.h b/src/H5FSprivate.h
index ff8ecfd..6f73b93 100644
--- a/src/H5FSprivate.h
+++ b/src/H5FSprivate.h
@@ -43,10 +43,14 @@
                                          *      serialized to the file.
                                          */
 #define H5FS_CLS_SEPAR_OBJ      0x02    /* Objects in this class shouldn't
-                                         *      participate in merge operations
+                                         *      participate in merge operations.
                                          */
 #define H5FS_CLS_MERGE_SYM      0x04    /* Objects in this class only merge
-                                         *      with other objects in this class
+                                         *      with other objects in this class.
+                                         */
+#define H5FS_CLS_ADJUST_OK      0x08    /* Objects in this class can be merged
+                                         *      without requiring a can_adjust/adjust
+                                         *      callback pair.
                                          */
 
 /* Flags for H5FS_add() */
@@ -103,6 +107,7 @@ typedef struct H5FS_section_class_t {
     herr_t (*shrink)(H5FS_section_info_t **, void *);   /* Routine to shrink container */
     herr_t (*free)(H5FS_section_info_t *);              /* Routine to free node */
     herr_t (*valid)(const struct H5FS_section_class_t *, const H5FS_section_info_t *);   /* Routine to check if a section is valid */
+    H5FS_section_info_t *(*split)(H5FS_section_info_t *, hsize_t);     /* Routine to create the split section */
     herr_t (*debug)(const H5FS_section_info_t *, FILE *, int , int );   /* Routine to dump debugging information about a section */
 } H5FS_section_class_t;
 
@@ -123,6 +128,7 @@ struct H5FS_section_info_t {
 /* Free space client IDs for identifying user of free space */
 typedef enum H5FS_client_t {
     H5FS_CLIENT_FHEAP_ID = 0,	/* Free space is used by fractal heap */
+    H5FS_CLIENT_FILE_ID,	/* Free space is used by file */
     H5FS_NUM_CLIENT_ID          /* Number of free space client IDs (must be last)   */
 } H5FS_client_t;
 
@@ -135,6 +141,15 @@ typedef struct H5FS_create_t {
     hsize_t max_sect_size;              /* Maximum size of section to track */
 } H5FS_create_t;
 
+/* Free space statistics info */
+typedef struct H5FS_stat_t {
+    hsize_t tot_space;          /* Total amount of space tracked              */
+    hsize_t tot_sect_count;     /* Total # of sections tracked                */
+    hsize_t serial_sect_count;  /* # of serializable sections tracked         */
+    hsize_t ghost_sect_count;   /* # of un-serializable sections tracked      */
+} H5FS_stat_t;
+
+
 /* Typedef for iteration operations */
 typedef herr_t (*H5FS_operator_t)(const H5FS_section_info_t *sect,
         void *operator_data/*in,out*/);
@@ -155,9 +170,9 @@ H5FL_SEQ_EXTERN(H5FS_section_class_t);
 /* Free space manager routines */
 H5_DLL H5FS_t *H5FS_create(H5F_t *f, hid_t dxpl_id, haddr_t *fs_addr,
     const H5FS_create_t *fs_create, size_t nclasses,
-    const H5FS_section_class_t *classes[], void *cls_init_udata);
+    const H5FS_section_class_t *classes[], void *cls_init_udata, hsize_t alignment, hsize_t threshold);
 H5_DLL H5FS_t *H5FS_open(H5F_t *f, hid_t dxpl_id, haddr_t fs_addr,
-    size_t nclasses, const H5FS_section_class_t *classes[], void *cls_init_udata);
+    size_t nclasses, const H5FS_section_class_t *classes[], void *cls_init_udata, hsize_t alignment, hsize_t threshold);
 H5_DLL herr_t H5FS_size(const H5F_t *f, const H5FS_t *fspace, hsize_t *meta_size);
 H5_DLL herr_t H5FS_delete(H5F_t *f, hid_t dxpl_id, haddr_t fs_addr);
 H5_DLL herr_t H5FS_close(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace);
@@ -165,15 +180,22 @@ H5_DLL herr_t H5FS_close(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace);
 /* Free space section routines */
 H5_DLL herr_t H5FS_sect_add(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
     H5FS_section_info_t *node, unsigned flags, void *op_data);
+H5_DLL herr_t H5FS_sect_try_extend(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
+    haddr_t addr, hsize_t size, hsize_t extra_requested);
 H5_DLL herr_t H5FS_sect_remove(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
     H5FS_section_info_t *node);
 H5_DLL htri_t H5FS_sect_find(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
     hsize_t request, H5FS_section_info_t **node);
 H5_DLL herr_t H5FS_sect_iterate(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace, H5FS_operator_t op, void *op_data);
-H5_DLL herr_t H5FS_get_sect_count(const H5FS_t *fspace, hsize_t *nsects);
+H5_DLL herr_t H5FS_sect_stats(const H5FS_t *fspace, hsize_t *tot_space,
+    hsize_t *nsects);
 H5_DLL herr_t H5FS_sect_change_class(H5F_t *f, hid_t dxpl_id, H5FS_t *fspace,
     H5FS_section_info_t *sect, unsigned new_class);
 
+/* Statistics routine */
+H5_DLL herr_t H5FS_stat_info(const H5FS_t *fh, H5FS_stat_t *stats);
+
+
 /* Debugging routines for dumping file structures */
 H5_DLL herr_t H5FS_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr,
     FILE *stream, int indent, int fwidth);