diff options
Diffstat (limited to 'src/H5Fpkg.h')
| -rw-r--r-- | src/H5Fpkg.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/src/H5Fpkg.h b/src/H5Fpkg.h index 706e41d..31630ef 100644 --- a/src/H5Fpkg.h +++ b/src/H5Fpkg.h @@ -455,13 +455,36 @@ struct H5F_shared_t { uint32_t old_mdf_idx_len; uint32_t old_mdf_idx_entries_used; - /* Metadata file for VFD SWMR writer */ + /* Metadata file and updater file for VFD SWMR writer */ int vfd_swmr_md_fd; /* POSIX: file descriptor for the - * metadata file + * metadata file or -1 if the metadata file + * is not currently open. + * The vfd_swmr_config.generate_updater_files + * is FALSE. */ + /* NFS: + * The vfd_swmr_config.generate_updater_files + * is TRUE and: + * --if vfd_swmr_config.writer is FALSE, + * this field is the file descriptor of the local + * copy of the metadata file, or -1 if the local + * copy is not currently open. + * --if vfd_swmr_config.writer is TRUE, this field + * is not used and is set to -1. + */ + H5F_generate_md_ck_t generate_md_ck_cb; + /* For testing only: + * Invoke the user-defined callback if exists to + * generate checksum for the metadata file + */ + haddr_t vfd_swmr_md_eoa; /* POSIX: eoa for the metadata * file */ + uint64_t updater_seq_num;/* Sequence number of the next updater file to be + * genereated. This field must be initialized to zero, + * and incremented after each updater file is generated. + */ /* Free space manager for the metadata file */ H5FS_t * fs_man_md; /* Free-space manager */ |