diff options
Diffstat (limited to 'src/H5Fpkg.h')
| -rw-r--r-- | src/H5Fpkg.h | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/src/H5Fpkg.h b/src/H5Fpkg.h index 7e04f35..2a5847e 100644 --- a/src/H5Fpkg.h +++ b/src/H5Fpkg.h @@ -215,6 +215,28 @@ typedef struct H5F_mtab_t { H5F_mount_t *child; /* An array of mount records */ } H5F_mtab_t; +/* + * VFD SWMR: Entry for the delayed free space release doubly linked list + * + * md_file_page_offset: Unsigned 64-bit value containing the base address of the + * metadata page, or multi page metadata entry in the metadata + * file IN PAGES. + * To obtain byte offset, multiply this value by the page size. + * length: The length of the metadata page or multi page metadata entry + * in BYTES. + * tick_num: Sequence # of the current tick + * next: Pointer to the next entry in the the list + * prev: Pointer to the previous entry in the list + */ +typedef struct H5F_vfd_swmr_dl_entry_t { + uint64_t hdf5_page_offset; + uint64_t md_file_page_offset; + uint32_t length; + uint64_t tick_num; + struct H5F_vfd_swmr_dl_entry_t *next; + struct H5F_vfd_swmr_dl_entry_t *prev; +} H5F_vfd_swmr_dl_entry_t; + /* Structure specifically to store superblock. This was originally * maintained entirely within H5F_file_t, but is now extracted * here because the superblock is now handled by the cache */ @@ -354,16 +376,32 @@ struct H5F_file_t { /* Object flush info */ H5F_object_flush_t object_flush; /* Information for object flush callback */ - /* VFD SWMR configuration info */ + /* VFD SWMR */ + + /* Configuration info */ H5F_vfd_swmr_config_t vfd_swmr_config; /* Copy of the VFD SWMR configuration from the FAPL used to open the file */ hbool_t vfd_swmr; /* The file is opened with VFD SWMR configured or not*/ hbool_t vfd_swmr_writer; /* This is the VFD SWMR writer or not */ uint64_t tick_num; /* Number of the current tick */ struct timespec end_of_tick; /* End time of the current tick */ + + /* Metadata file */ int vfd_swmr_md_fd; /* POSIX: file descriptor of the metadata file */ + haddr_t vfd_swmr_md_eoa; /* POSIX: eoa for the metadata file */ + + /* Free space manager for the metadata file */ + H5FS_t *fs_man_md; /* Free-space manager */ + H5F_fs_state_t fs_state_md; /* State of the free space manager */ + + /* Delayed free space release doubly linked list */ + uint32_t dl_len; /* # of entries in the list */ + H5F_vfd_swmr_dl_entry_t *dl_head_ptr; /* Points to the beginning of the list */ + H5F_vfd_swmr_dl_entry_t *dl_tail_ptr; /* Points to the end of the list */ + }; + /* * This is the top-level file descriptor. One of these structures is * allocated every time H5Fopen() is called although they may contain pointers @@ -471,6 +509,12 @@ H5_DLL haddr_t H5F__alloc(H5F_t *f, H5F_mem_t type, hsize_t size, haddr_t *frag_ H5_DLL herr_t H5F__free(H5F_t *f, H5F_mem_t type, haddr_t addr, hsize_t size); H5_DLL htri_t H5F__try_extend(H5F_t *f, H5FD_mem_t type, haddr_t blk_end, hsize_t extra_requested); +/* VFD SWMR */ +/* Space allocation routines */ +H5_DLL haddr_t H5F__alloc_md(H5F_t *f, hsize_t size); +H5_DLL herr_t H5F__free_md(H5F_t *f, haddr_t addr, hsize_t size); +H5_DLL htri_t H5F__try_extend_md(H5F_t *f, haddr_t blk_end, hsize_t extra_requested); + /* Functions that get/retrieve values from VFD layer */ H5_DLL herr_t H5F__set_eoa(const H5F_t *f, H5F_mem_t type, haddr_t addr); H5_DLL herr_t H5F__set_base_addr(const H5F_t *f, haddr_t addr); |