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-rw-r--r--src/H5FApkg.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/H5FApkg.h b/src/H5FApkg.h
index c29322a..ccef562 100644
--- a/src/H5FApkg.h
+++ b/src/H5FApkg.h
@@ -144,6 +144,28 @@ typedef struct H5FA_hdr_t {
/* Client information (not stored) */
void *cb_ctx; /* Callback context */
+
+ /* SWMR / Flush dependency information (not stored) */
+ hbool_t swmr_write; /* Flag indicating the file is opened with SWMR-write access */
+ H5AC_proxy_entry_t *top_proxy; /* 'Top' proxy cache entry for all array entries */
+ void *parent; /* Pointer to 'top' proxy flush dependency
+ * parent, if it exists, otherwise NULL.
+ * If the fixed array is being used
+ * to index a chunked dataset and the
+ * dataset metadata is modified by a
+ * SWMR writer, this field will be set
+ * equal to the object header proxy
+ * that is the flush dependency parent
+ * of the fixed array header.
+ *
+ * The field is used to avoid duplicate
+ * setups of the flush dependency
+ * relationship, and to allow the
+ * fixed array header to destroy
+ * the flush dependency on receipt of
+ * an eviction notification from the
+ * metadata cache.
+ */
} H5FA_hdr_t;
/* The fixed array data block information */
@@ -158,6 +180,9 @@ typedef struct H5FA_dblock_t {
/* Internal array information (not stored) */
H5FA_hdr_t *hdr; /* Shared array header info */
+ /* SWMR / Flush dependency information (not stored) */
+ H5AC_proxy_entry_t *top_proxy; /* 'Top' proxy cache entry for all array entries */
+
/* Computed/cached values (not stored) */
haddr_t addr; /* Address of this data block on disk */
hsize_t size; /* Size of data block on disk */
@@ -181,6 +206,9 @@ typedef struct H5FA_dbk_page_t {
/* Internal array information (not stored) */
H5FA_hdr_t *hdr; /* Shared array header info */
+ /* SWMR / Flush dependency information (not stored) */
+ H5AC_proxy_entry_t *top_proxy; /* 'Top' proxy cache entry for all array entries */
+
/* Computed/cached values (not stored) */
haddr_t addr; /* Address of this data block page on disk */
size_t size; /* Size of data block page on disk */
@@ -241,6 +269,12 @@ H5_DLLVAR const H5FA_class_t *const H5FA_client_class_g[H5FA_NUM_CLS_ID];
/* Package Private Prototypes */
/******************************/
+/* Generic routines */
+H5_DLL herr_t H5FA__create_flush_depend(H5AC_info_t *parent_entry,
+ H5AC_info_t *child_entry);
+H5_DLL herr_t H5FA__destroy_flush_depend(H5AC_info_t *parent_entry,
+ H5AC_info_t *child_entry);
+
/* Header routines */
H5_DLL H5FA_hdr_t *H5FA__hdr_alloc(H5F_t *f);
H5_DLL herr_t H5FA__hdr_init(H5FA_hdr_t *hdr, void *ctx_udata);