diff options
Diffstat (limited to 'src/H5Fpkg.h')
| -rw-r--r-- | src/H5Fpkg.h | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/src/H5Fpkg.h b/src/H5Fpkg.h index 594ed50..428b58d 100644 --- a/src/H5Fpkg.h +++ b/src/H5Fpkg.h @@ -38,6 +38,7 @@ #include "H5private.h" /* Generic Functions */ #include "H5FLprivate.h" /* Free Lists */ #include "H5FOprivate.h" /* File objects */ +#include "H5FSprivate.h" /* File free space */ #include "H5Gprivate.h" /* Groups */ #include "H5Oprivate.h" /* Object header messages */ #include "H5RCprivate.h" /* Reference counted object functions */ @@ -62,6 +63,35 @@ /* Mask for removing private file access flags */ #define H5F_ACC_PUBLIC_FLAGS 0x00ffu +/* Free space section+aggregator merge flags */ +#define H5F_FS_MERGE_METADATA 0x01 /* Section can merge with metadata aggregator */ +#define H5F_FS_MERGE_RAWDATA 0x02 /* Section can merge with small 'raw' data aggregator */ + +/* Structure for metadata & "small [raw] data" block aggregation fields */ +struct H5F_blk_aggr_t { + unsigned long feature_flag; /* Feature flag type */ + hsize_t alloc_size; /* Size for allocating new blocks */ + hsize_t tot_size; /* Total amount of bytes aggregated into block */ + hsize_t size; /* Current size of block left */ + haddr_t addr; /* Location of block left */ +}; + +/* Structure for metadata accumulator fields */ +typedef struct H5F_meta_accum_t { + unsigned char *buf; /* Buffer to hold the accumulated metadata */ + haddr_t loc; /* File location (offset) of the accumulated metadata */ + size_t size; /* Size of the accumulated metadata buffer used (in bytes) */ + size_t alloc_size; /* Size of the accumulated metadata buffer allocated (in bytes) */ + hbool_t dirty; /* Flag to indicate that the accumulated metadata is dirty */ +} H5F_meta_accum_t; + +/* Enum for free space manager state */ +typedef enum H5F_fs_state_t { + H5F_FS_STATE_CLOSED, /* Free space manager is closed */ + H5F_FS_STATE_OPEN, /* Free space manager has been opened */ + H5F_FS_STATE_DELETING /* Free space manager is being deleted */ +} H5F_fs_state_t; + /* A record of the mount table */ typedef struct H5F_mount_t { struct H5G_t *group; /* Mount point group held open */ @@ -97,13 +127,14 @@ typedef struct H5F_file_t { unsigned btree_k[H5B_NUM_BTREE_ID]; /* B-tree key values for each type */ size_t sizeof_addr; /* Size of addresses in file */ size_t sizeof_size; /* Size of offsets in file */ - haddr_t super_addr; /* Absolute address of super block */ haddr_t base_addr; /* Absolute base address for rel.addrs. */ + /* (superblock for file is at this offset) */ haddr_t extension_addr; /* Relative address of superblock extension */ haddr_t sohm_addr; /* Relative address of shared object header message table */ unsigned sohm_vers; /* Version of shared message table on disk */ unsigned sohm_nindexes; /* Number of shared messages indexes in the table */ haddr_t driver_addr; /* File driver information block address*/ + unsigned long feature_flags; /* VFL Driver feature Flags */ haddr_t maxaddr; /* Maximum address for file */ H5AC_t *cache; /* The object cache */ @@ -129,6 +160,20 @@ typedef struct H5F_file_t { struct H5G_t *root_grp; /* Open root group */ H5FO_t *open_objs; /* Open objects in file */ H5RC_t *grp_btree_shared; /* Ref-counted group B-tree node info */ + + /* File space allocation information */ + unsigned fs_aggr_merge[H5FD_MEM_NTYPES]; /* Flags for whether free space can merge with aggregator(s) */ + H5F_fs_state_t fs_state[H5FD_MEM_NTYPES]; /* State of free space manager for each type */ + haddr_t fs_addr[H5FD_MEM_NTYPES]; /* Address of free space manager info for each type */ + H5FS_t *fs_man[H5FD_MEM_NTYPES]; /* Free space manager for each file space type */ + H5FD_mem_t fs_type_map[H5FD_MEM_NTYPES]; /* Mapping of "real" file space type into tracked type */ + H5F_blk_aggr_t meta_aggr; /* Metadata aggregation info */ + /* (if aggregating metadata allocations) */ + H5F_blk_aggr_t sdata_aggr; /* "Small data" aggregation info */ + /* (if aggregating "small data" allocations) */ + + /* Metadata accumulator information */ + H5F_meta_accum_t accum; /* Metadata accumulator info */ } H5F_file_t; /* @@ -182,6 +227,15 @@ H5_DLL herr_t H5F_super_write(H5F_t *f, hid_t dxpl_id); H5_DLL herr_t H5F_super_read(H5F_t *f, hid_t dxpl_id, H5G_loc_t *root_loc); H5_DLL herr_t H5F_super_ext_size(H5F_t *f, hid_t dxpl_id, hsize_t *super_ext_info); +/* Metadata accumulator routines */ +H5_DLL htri_t H5F_accum_read(const H5F_t *f, hid_t dxpl_id, H5FD_mem_t type, + haddr_t addr, size_t size, void *buf); +H5_DLL htri_t H5F_accum_write(const H5F_t *f, hid_t dxpl_id, H5FD_mem_t type, + haddr_t addr, size_t size, const void *buf); +H5_DLL herr_t H5F_accum_free(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type, + haddr_t addr, hsize_t size); +H5_DLL herr_t H5F_accum_flush(H5F_t *f, hid_t dxpl_id); +H5_DLL herr_t H5F_accum_reset(H5F_t *f); /* Shared file list related routines */ H5_DLL herr_t H5F_sfile_add(H5F_file_t *shared); |