diff options
Diffstat (limited to 'src/H5FApkg.h')
| -rw-r--r-- | src/H5FApkg.h | 34 |
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); |