summaryrefslogtreecommitdiffstats
path: root/src/H5Pfapl.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/H5Pfapl.c')
-rw-r--r--src/H5Pfapl.c101
1 files changed, 98 insertions, 3 deletions
diff --git a/src/H5Pfapl.c b/src/H5Pfapl.c
index a4c09e5..c217acb 100644
--- a/src/H5Pfapl.c
+++ b/src/H5Pfapl.c
@@ -160,7 +160,16 @@
#define H5F_ACS_FILE_IMAGE_INFO_DEL H5P_file_image_info_del
#define H5F_ACS_FILE_IMAGE_INFO_COPY H5P_file_image_info_copy
#define H5F_ACS_FILE_IMAGE_INFO_CLOSE H5P_file_image_info_close
-
+/* Definition of core VFD write tracking flag */
+#define H5F_ACS_CORE_WRITE_TRACKING_FLAG_SIZE sizeof(hbool_t)
+#define H5F_ACS_CORE_WRITE_TRACKING_FLAG_DEF FALSE
+#define H5F_ACS_CORE_WRITE_TRACKING_FLAG_ENC H5P__encode_hbool_t
+#define H5F_ACS_CORE_WRITE_TRACKING_FLAG_DEC H5P__decode_hbool_t
+/* Definition of core VFD write tracking page size */
+#define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_SIZE sizeof(size_t)
+#define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_DEF 524288
+#define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_ENC H5P__encode_size_t
+#define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_DEC H5P__decode_size_t
/******************/
/* Local Typedefs */
@@ -246,8 +255,9 @@ static const H5FD_mem_t H5F_def_mem_type_g = H5F_ACS_MULTI_TYPE_DEF;
static const hbool_t H5F_def_latest_format_g = H5F_ACS_LATEST_FORMAT_DEF; /* Default setting for "use the latest version of the format" flag */
static const hbool_t H5F_def_want_posix_fd_g = H5F_ACS_WANT_POSIX_FD_DEF; /* Default setting for retrieving 'handle' from core VFD */
static const unsigned H5F_def_efc_size_g = H5F_ACS_EFC_SIZE_DEF; /* Default external file cache size */
-static const H5FD_file_image_info_t H5F_def_file_image_info_g = H5F_ACS_FILE_IMAGE_INFO_DEF; /* Default file image info and callbacks */
-
+static const H5FD_file_image_info_t H5F_def_file_image_info_g = H5F_ACS_FILE_IMAGE_INFO_DEF; /* Default file image info and callbacks */
+static const hbool_t H5F_def_core_write_tracking_flag_g = H5F_ACS_CORE_WRITE_TRACKING_FLAG_DEF; /* Default setting for core VFD write tracking */
+static const size_t H5F_def_core_write_tracking_page_size_g = H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_DEF; /* Default core VFD write tracking page size */
/*-------------------------------------------------------------------------
@@ -397,6 +407,18 @@ H5P_facc_reg_prop(H5P_genclass_t *pclass)
H5F_ACS_FILE_IMAGE_INFO_DEL, H5F_ACS_FILE_IMAGE_INFO_COPY, NULL, H5F_ACS_FILE_IMAGE_INFO_CLOSE) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
+ /* Register the core VFD backing store write tracking flag */
+ if(H5P_register_real(pclass, H5F_ACS_CORE_WRITE_TRACKING_FLAG_NAME, H5F_ACS_CORE_WRITE_TRACKING_FLAG_SIZE, &H5F_def_core_write_tracking_flag_g ,
+ NULL, NULL, NULL, H5F_ACS_CORE_WRITE_TRACKING_FLAG_ENC, H5F_ACS_CORE_WRITE_TRACKING_FLAG_DEC,
+ NULL, NULL, NULL, NULL) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
+
+ /* Register the size of the core VFD backing store page size */
+ if(H5P_register_real(pclass, H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_NAME, H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_SIZE, &H5F_def_core_write_tracking_page_size_g ,
+ NULL, NULL, NULL, H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_ENC, H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_DEC,
+ NULL, NULL, NULL, NULL) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
+
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_facc_reg_prop() */
@@ -2980,3 +3002,76 @@ H5P__facc_multi_type_dec(const void **_pp, void *_value)
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5P__facc_multi_type_dec() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5Pset_core_write_tracking
+ *
+ * Purpose: Enables/disables core VFD write tracking and page
+ * aggregation size.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Pset_core_write_tracking(hid_t plist_id, hbool_t is_enabled, size_t page_size)
+{
+ H5P_genplist_t *plist; /* Property list pointer */
+ herr_t ret_value = SUCCEED; /* return value */
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE3("e", "ibz", plist_id, is_enabled, page_size);
+
+ /* Get the plist structure */
+ if(NULL == (plist = H5P_object_verify(plist_id, H5P_FILE_ACCESS)))
+ HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
+
+ /* Set values */
+ if(H5P_set(plist, H5F_ACS_CORE_WRITE_TRACKING_FLAG_NAME, &is_enabled) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set core VFD write tracking flag")
+ if(H5P_set(plist, H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_NAME, &page_size) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set core VFD write tracking page size")
+
+done:
+ FUNC_LEAVE_API(ret_value)
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5Pget_core_write_tracking
+ *
+ * Purpose: Gets information about core VFD write tracking and page
+ * aggregation size.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Pget_core_write_tracking(hid_t plist_id, hbool_t *is_enabled, size_t *page_size)
+{
+ H5P_genplist_t *plist; /* Property list pointer */
+ herr_t ret_value = SUCCEED; /* return value */
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE3("e", "i*b*z", plist_id, is_enabled, page_size);
+
+ /* Get the plist structure */
+ if(NULL == (plist = H5P_object_verify(plist_id, H5P_FILE_ACCESS)))
+ HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
+
+ /* Get values */
+ if(is_enabled) {
+ if(H5P_get(plist, H5F_ACS_CORE_WRITE_TRACKING_FLAG_NAME, is_enabled) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get core VFD write tracking flag")
+ } /* end if */
+
+ if(page_size) {
+ if(H5P_get(plist, H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_NAME, page_size) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get core VFD write tracking page size")
+ } /* end if */
+
+done:
+ FUNC_LEAVE_API(ret_value)
+}
+