diff options
Diffstat (limited to 'src/H5Fsuper.c')
| -rw-r--r-- | src/H5Fsuper.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/src/H5Fsuper.c b/src/H5Fsuper.c index f26d93f..e85c980 100644 --- a/src/H5Fsuper.c +++ b/src/H5Fsuper.c @@ -293,6 +293,7 @@ H5F_super_read(H5F_t *f, hid_t dxpl_id) { H5F_super_t * sblock = NULL; /* superblock structure */ unsigned sblock_flags = H5AC__NO_FLAGS_SET; /* flags used in superblock unprotect call */ + haddr_t super_addr; /* Absolute address of superblock */ H5AC_protect_t rw; /* read/write permissions for file */ hbool_t dirtied = FALSE; /* Bool for sblock protect call */ herr_t ret_value = SUCCEED; /* return value */ @@ -300,9 +301,16 @@ H5F_super_read(H5F_t *f, hid_t dxpl_id) FUNC_ENTER_NOAPI(H5F_super_read, FAIL) /* Find the superblock */ - if(HADDR_UNDEF == (f->shared->super_addr = H5F_locate_signature(f->shared->lf, dxpl_id))) + if(HADDR_UNDEF == (super_addr = H5F_locate_signature(f->shared->lf, dxpl_id))) HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "unable to find file signature") + /* Check for userblock present */ + if(H5F_addr_gt(super_addr, 0)) { + /* Set the base address for the file in the VFD now */ + if(H5FD_set_base_addr(f->shared->lf, super_addr) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "failed to set base address for file driver") + } /* end if */ + /* Determine file intent for superblock protect */ if(H5F_INTENT(f) & H5F_ACC_RDWR) rw = H5AC_WRITE; @@ -310,7 +318,7 @@ H5F_super_read(H5F_t *f, hid_t dxpl_id) rw = H5AC_READ; /* Look up the superblock */ - if(NULL == (sblock = (H5F_super_t *)H5AC_protect(f, dxpl_id, H5AC_SUPERBLOCK, f->shared->super_addr, NULL, &dirtied, rw))) + if(NULL == (sblock = (H5F_super_t *)H5AC_protect(f, dxpl_id, H5AC_SUPERBLOCK, (haddr_t)0, NULL, &dirtied, rw))) HGOTO_ERROR(H5E_CACHE, H5E_CANTPROTECT, FAIL, "unable to load superblock") /* Mark the superblock dirty if it was modified during loading or VFD indicated to do so */ @@ -326,7 +334,7 @@ H5F_super_read(H5F_t *f, hid_t dxpl_id) done: /* Release the superblock */ - if(sblock && H5AC_unprotect(f, dxpl_id, H5AC_SUPERBLOCK, f->shared->super_addr, sblock, sblock_flags) < 0) + if(sblock && H5AC_unprotect(f, dxpl_id, H5AC_SUPERBLOCK, (haddr_t)0, sblock, sblock_flags) < 0) HDONE_ERROR(H5E_CACHE, H5E_CANTUNPROTECT, FAIL, "unable to close superblock") FUNC_LEAVE_NOAPI(ret_value) @@ -359,7 +367,6 @@ H5F_super_init(H5F_t *f, hid_t dxpl_id) hsize_t superblock_size; /* Size of superblock, in bytes */ size_t driver_size; /* Size of driver info block (bytes) */ unsigned super_vers = HDF5_SUPERBLOCK_VERSION_DEF; /* Superblock version for file */ - haddr_t super_addr; /* Address of superblock */ hbool_t need_ext; /* Whether the superblock extension is needed */ herr_t ret_value = SUCCEED; /* Return Value */ @@ -471,17 +478,13 @@ H5F_super_init(H5F_t *f, hid_t dxpl_id) if(H5FD_set_eoa(f->shared->lf, H5FD_MEM_SUPER, superblock_size) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to set EOA value for superblock") - /* Set the superblock's address, it must be immediately after any userblock */ - super_addr = (haddr_t)0; - /* Insert superblock into cache, pinned */ - if(H5AC_set(f, dxpl_id, H5AC_SUPERBLOCK, super_addr, sblock, H5AC__PIN_ENTRY_FLAG) < 0) + if(H5AC_set(f, dxpl_id, H5AC_SUPERBLOCK, (haddr_t)0, sblock, H5AC__PIN_ENTRY_FLAG) < 0) HGOTO_ERROR(H5E_CACHE, H5E_CANTINS, FAIL, "can't add superblock to cache") sblock_in_cache = TRUE; /* Keep a copy of the superblock info */ f->shared->sblock = sblock; - f->shared->super_addr = super_addr; /* * Determine if we will need a superblock extension @@ -585,7 +588,7 @@ done: HDONE_ERROR(H5E_FILE, H5E_CANTUNPIN, FAIL, "unable to unpin superblock") /* Evict the superblock from the cache */ - if(H5AC_expunge_entry(f, dxpl_id, H5AC_SUPERBLOCK, super_addr, H5AC__NO_FLAGS_SET) < 0) + if(H5AC_expunge_entry(f, dxpl_id, H5AC_SUPERBLOCK, (haddr_t)0, H5AC__NO_FLAGS_SET) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTEXPUNGE, FAIL, "unable to expunge superblock") } /* end if */ else @@ -594,7 +597,6 @@ done: /* Reset variables in file structure */ f->shared->sblock = NULL; - f->shared->super_addr = HADDR_UNDEF; } /* end if */ } /* end if */ |