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-rw-r--r--src/H5Dpkg.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/H5Dpkg.h b/src/H5Dpkg.h
index fb74c1c..db67101 100644
--- a/src/H5Dpkg.h
+++ b/src/H5Dpkg.h
@@ -113,12 +113,14 @@ typedef struct H5D_type_info_t {
/* Forward declaration of structs used below */
struct H5D_io_info_t;
struct H5D_chunk_map_t;
+typedef struct H5D_shared_t H5D_shared_t;
/* Function pointers for I/O on particular types of dataset layouts */
typedef herr_t (*H5D_layout_construct_func_t)(H5F_t *f, H5D_t *dset);
typedef herr_t (*H5D_layout_init_func_t)(H5F_t *f, const H5D_t *dset,
hid_t dapl_id);
typedef hbool_t (*H5D_layout_is_space_alloc_func_t)(const H5O_storage_t *storage);
+typedef hbool_t (*H5D_layout_is_data_cached_func_t)(const H5D_shared_t *shared_dset);
typedef herr_t (*H5D_layout_io_init_func_t)(const struct H5D_io_info_t *io_info,
const H5D_type_info_t *type_info,
hsize_t nelmts, const H5S_t *file_space, const H5S_t *mem_space,
@@ -144,6 +146,7 @@ typedef struct H5D_layout_ops_t {
H5D_layout_construct_func_t construct; /* Layout constructor for new datasets */
H5D_layout_init_func_t init; /* Layout initializer for dataset */
H5D_layout_is_space_alloc_func_t is_space_alloc; /* Query routine to determine if storage is allocated */
+ H5D_layout_is_data_cached_func_t is_data_cached; /* Query routine to determine if any raw data is cached. If routine is not present then the layout type never caches raw data. */
H5D_layout_io_init_func_t io_init; /* I/O initialization routine */
H5D_layout_read_func_t ser_read; /* High-level I/O routine for reading data in serial */
H5D_layout_write_func_t ser_write; /* High-level I/O routine for writing data in serial */
@@ -429,7 +432,7 @@ typedef struct H5D_rdcdc_t {
* created once for a given dataset. Thus, if a dataset is opened twice,
* there will be two IDs and two H5D_t structs, both sharing one H5D_shared_t.
*/
-typedef struct H5D_shared_t {
+struct H5D_shared_t {
size_t fo_count; /* Reference count */
hbool_t closing; /* Flag to indicate dataset is closing */
hid_t type_id; /* ID for dataset's datatype */
@@ -459,7 +462,7 @@ typedef struct H5D_shared_t {
H5D_append_flush_t append_flush; /* Append flush property information */
char *extfile_prefix; /* expanded external file prefix */
char *vds_prefix; /* expanded vds prefix */
-} H5D_shared_t;
+};
struct H5D_t {
H5O_loc_t oloc; /* Object header location */
@@ -618,6 +621,7 @@ H5_DLL herr_t H5D__layout_oh_write(const H5D_t *dataset, H5O_t *oh, unsigned upd
/* Functions that operate on contiguous storage */
H5_DLL herr_t H5D__contig_alloc(H5F_t *f, H5O_storage_contig_t *storage);
H5_DLL hbool_t H5D__contig_is_space_alloc(const H5O_storage_t *storage);
+H5_DLL hbool_t H5D__contig_is_data_cached(const H5D_shared_t *shared_dset);
H5_DLL herr_t H5D__contig_fill(const H5D_io_info_t *io_info);
H5_DLL herr_t H5D__contig_read(H5D_io_info_t *io_info, const H5D_type_info_t *type_info,
hsize_t nelmts, const H5S_t *file_space, const H5S_t *mem_space,
@@ -636,6 +640,7 @@ H5_DLL htri_t H5D__chunk_cacheable(const H5D_io_info_t *io_info, haddr_t caddr,
H5_DLL herr_t H5D__chunk_create(const H5D_t *dset /*in,out*/);
H5_DLL herr_t H5D__chunk_set_info(const H5D_t *dset);
H5_DLL hbool_t H5D__chunk_is_space_alloc(const H5O_storage_t *storage);
+H5_DLL hbool_t H5D__chunk_is_data_cached(const H5D_shared_t *shared_dset);
H5_DLL herr_t H5D__chunk_lookup(const H5D_t *dset, const hsize_t *scaled,
H5D_chunk_ud_t *udata);
H5_DLL herr_t H5D__chunk_allocated(const H5D_t *dset, hsize_t *nbytes);