diff options
Diffstat (limited to 'src/H5HFpkg.h')
| -rw-r--r-- | src/H5HFpkg.h | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/src/H5HFpkg.h b/src/H5HFpkg.h index b3b0951..25616f8 100644 --- a/src/H5HFpkg.h +++ b/src/H5HFpkg.h @@ -67,23 +67,37 @@ + 2 /* Current # of rows in root indirect block */ \ ) +/* Flags for status byte */ +#define H5HF_HDR_FLAGS_HUGE_ID_WRAPPED 0x01 + /* Size of the fractal heap header on disk */ #define H5HF_HEADER_SIZE(h) ( \ /* General metadata fields */ \ H5HF_METADATA_PREFIX_SIZE \ \ - /* Fractal heap header specific fields */ \ - + 1 /* Address mapping mode */ \ - + 4 /* Min. size of standalone object */ \ + /* Fractal Heap Header specific fields */ \ + \ + /* General heap information */ \ + + 1 /* Status flags */ \ + \ + /* "Huge" object fields */ \ + + 4 /* Max. size of "managed" object */ \ + + (h)->sizeof_size /* Next ID for "huge" object */ \ + + (h)->sizeof_addr /* File address of "huge" object tracker B-tree */ \ + \ + /* "Managed" object free space fields */ \ + (h)->sizeof_size /* Total man. free space */ \ - + (h)->sizeof_size /* Total std. free entries */ \ + (h)->sizeof_addr /* File address of free section header */ \ + \ + /* Statistics fields */ \ + (h)->sizeof_size /* Total size of heap */ \ + (h)->sizeof_size /* Size of man. space in heap */ \ + (h)->sizeof_size /* Size of man. space iterator offset in heap */ \ + (h)->sizeof_size /* Size of alloacted man. space in heap */ \ + (h)->sizeof_size /* Size of std. space in heap */ \ + (h)->sizeof_size /* Number of objects in heap */ \ + \ + /* "Managed" object doubling table info */ \ + H5HF_DTABLE_INFO_SIZE(h) /* Size of managed obj. doubling-table info */ \ ) @@ -279,7 +293,6 @@ typedef struct H5HF_hdr_t { /* Shared internal information (varies during lifetime of heap) */ hsize_t total_man_free; /* Total amount of free space in managed blocks */ - hsize_t total_std_free; /* Total # of free standalone ID entries */ haddr_t fs_addr; /* Address of free space header on disk */ /* Statistics for heap */ @@ -306,9 +319,10 @@ typedef struct H5HF_hdr_t { /* (Partially set by user, partially derived/updated internally) */ H5HF_dtable_t man_dtable; /* Doubling-table info for managed objects */ - /* Information set by user */ - H5HF_addrmap_t addrmap; /* Type of address mapping */ - uint32_t standalone_size; /* Size of object to store standalone */ + /* "Huge" object support (stored in header) */ + uint32_t max_man_size; /* Max. size of object to manage in doubling table */ + hsize_t huge_next_id; /* Next ID to use for "huge" object */ + haddr_t huge_bt_addr; /* Address of B-tree for storing "huge" object info */ /* Information derived from user parameters (not stored in header) */ unsigned char heap_off_size; /* Size of heap offsets (in bytes) */ @@ -316,6 +330,7 @@ typedef struct H5HF_hdr_t { hbool_t debug_objs; /* Is the heap storing objects in 'debug' format */ hbool_t have_io_filter; /* Does the heap have I/O filters for the direct blocks? */ hbool_t write_once; /* Is heap being written in "write once" mode? */ + hbool_t huge_ids_wrapped; /* Have "huge" object IDs wrapped around? */ } H5HF_hdr_t; /* Indirect block entry */ |