diff options
Diffstat (limited to 'src/H5Dpkg.h')
| -rw-r--r-- | src/H5Dpkg.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/H5Dpkg.h b/src/H5Dpkg.h index 4fbec67..3967cf9 100644 --- a/src/H5Dpkg.h +++ b/src/H5Dpkg.h @@ -119,6 +119,15 @@ typedef struct H5D_io_info_t { #endif /* H5S_DEBUG */ } H5D_io_info_t; +/* Cached information about a particular chunk */ +typedef struct { + hbool_t valid; /*whether cache info is valid*/ + hsize_t offset[H5O_LAYOUT_NDIMS]; /*logical offset to start*/ + size_t nbytes; /*size of stored data */ + unsigned filter_mask; /*excluded filters */ + haddr_t addr; /*file address of chunk */ +} H5D_chunk_cached_t; + /* The raw data chunk cache */ typedef struct H5D_rdcc_t { #ifdef H5D_ISTORE_DEBUG @@ -132,6 +141,7 @@ typedef struct H5D_rdcc_t { struct H5D_rdcc_ent_t *head; /* Head of doubly linked list */ struct H5D_rdcc_ent_t *tail; /* Tail of doubly linked list */ int nused; /* Number of chunk slots in use */ + H5D_chunk_cached_t last; /* Cached copy of last chunk information */ struct H5D_rdcc_ent_t **slot; /* Chunk slots, each points to a chunk*/ } H5D_rdcc_t; @@ -289,14 +299,18 @@ typedef struct H5D_istore_key_t { */ typedef struct H5D_istore_bt_ud_common_t { /* downward */ - H5D_istore_key_t key; /*key values */ - const H5O_layout_t *mesg; /*layout message */ + const H5O_layout_t *mesg; /*layout message */ + const hsize_t *offset; /*logical offset of chunk*/ } H5D_istore_bt_ud_common_t; /* B-tree callback info for various operations */ typedef struct H5D_istore_ud1_t { H5D_istore_bt_ud_common_t common; /* Common info for B-tree user data (must be first) */ - haddr_t addr; /*file address of chunk */ + + /* Upward */ + size_t nbytes; /*size of stored data */ + unsigned filter_mask; /*excluded filters */ + haddr_t addr; /*file address of chunk */ } H5D_istore_ud1_t; /* Internal data structure for computing variable-length dataset's total size */ |