diff options
Diffstat (limited to 'src/H5B2.c')
| -rw-r--r-- | src/H5B2.c | 406 |
1 files changed, 170 insertions, 236 deletions
@@ -95,9 +95,9 @@ H5FL_DEFINE(H5B2_t); *------------------------------------------------------------------------- */ herr_t -H5B2_create(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, - size_t node_size, size_t rrec_size, - unsigned split_percent, unsigned merge_percent, haddr_t *addr_p) +H5B2_create(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, size_t node_size, + size_t rrec_size, unsigned split_percent, unsigned merge_percent, + haddr_t *addr_p) { H5B2_t *bt2 = NULL; /* The new B-tree header information */ herr_t ret_value = SUCCEED; @@ -119,17 +119,14 @@ H5B2_create(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, /* * Allocate file and memory data structures. */ - if(NULL == (bt2 = H5FL_MALLOC(H5B2_t))) + if(NULL == (bt2 = H5FL_CALLOC(H5B2_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for B-tree header") - /* Assign internal information */ - HDmemset(&bt2->cache_info, 0, sizeof(H5AC_info_t)); + /* Assign non-zero information */ bt2->root.addr = HADDR_UNDEF; - bt2->root.node_nrec = 0; - bt2->root.all_nrec = 0; /* Initialize shared B-tree info */ - if(H5B2_shared_init(f, bt2, type, 0, node_size, rrec_size, split_percent, merge_percent) < 0) + if(H5B2_hdr_init(f, bt2, type, 0, node_size, rrec_size, split_percent, merge_percent) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't create shared B-tree info") /* Allocate space for the header on disk */ @@ -169,7 +166,6 @@ H5B2_insert(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, { H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ unsigned bt2_flags = H5AC__NO_FLAGS_SET; /* Metadata cache flags for B-tree header */ - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ herr_t ret_value = SUCCEED; FUNC_ENTER_NOAPI(H5B2_insert, FAIL) @@ -183,43 +179,42 @@ H5B2_insert(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_WRITE))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Get the pointer to the shared B-tree info */ - shared = (H5B2_shared_t *)H5RC_GET_OBJ(bt2->shared); - HDassert(shared); + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Check if the root node is allocated yet */ if(!H5F_addr_defined(bt2->root.addr)) { /* Create root node as leaf node in B-tree */ - if(H5B2_create_leaf(f, dxpl_id, bt2->shared, &(bt2->root)) < 0) + if(H5B2_create_leaf(f, dxpl_id, bt2, &(bt2->root)) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTINIT, FAIL, "unable to create root node") - - /* Mark B-tree header as dirty, since we updated the address of the root node */ - bt2_flags |= H5AC__DIRTIED_FLAG; } /* end if */ /* Check if we need to split the root node (equiv. to a 1->2 node split) */ - else if(bt2->root.node_nrec == shared->node_info[shared->depth].split_nrec) { + else if(bt2->root.node_nrec == bt2->node_info[bt2->depth].split_nrec) { /* Split root node */ if(H5B2_split_root(f, dxpl_id, bt2, &bt2_flags) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTSPLIT, FAIL, "unable to split root node") } /* end if */ /* Attempt to insert record into B-tree */ - if(shared->depth > 0) { - if(H5B2_insert_internal(f, dxpl_id, bt2->shared, shared->depth, &bt2_flags, &bt2->root, udata) < 0) + if(bt2->depth > 0) { + if(H5B2_insert_internal(f, dxpl_id, bt2, bt2->depth, &bt2_flags, &bt2->root, udata) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTINSERT, FAIL, "unable to insert record into B-tree internal node") } /* end if */ else { - if(H5B2_insert_leaf(f, dxpl_id, bt2->shared, &bt2->root, udata) < 0) + if(H5B2_insert_leaf(f, dxpl_id, bt2, &bt2->root, udata) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTINSERT, FAIL, "unable to insert record into B-tree leaf node") } /* end else */ - /* Mark parent node as dirty */ + /* Mark B-tree header as dirty */ bt2_flags |= H5AC__DIRTIED_FLAG; done: /* Release the B-tree header info */ - if(bt2 && H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, bt2_flags) < 0) - HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, bt2_flags) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_insert() */ @@ -246,13 +241,8 @@ herr_t H5B2_iterate(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, H5B2_operator_t op, void *op_data) { - H5B2_t *bt2=NULL; /* Pointer to the B-tree header */ - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ - H5RC_t *bt2_shared=NULL; /* Pointer to ref-counter for shared B-tree info */ - hbool_t incr_rc=FALSE; /* Flag to indicate that we've incremented the B-tree's shared info reference count */ - H5B2_node_ptr_t root_ptr; /* Node pointer info for root node */ - unsigned depth; /* Current depth of the tree */ - herr_t ret_value = SUCCEED; + H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(H5B2_iterate, FAIL) @@ -266,37 +256,23 @@ H5B2_iterate(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Safely grab pointer to reference counted shared B-tree info, so we can release the B-tree header if necessary */ - bt2_shared = bt2->shared; - H5RC_INC(bt2_shared); - incr_rc = TRUE; - - /* Get the pointer to the shared B-tree info */ - shared = (H5B2_shared_t *)H5RC_GET_OBJ(bt2->shared); - HDassert(shared); - - /* Make copy of the root node pointer */ - root_ptr = bt2->root; - - /* Current depth of the tree */ - depth = shared->depth; - - /* Release header */ - if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") - bt2 = NULL; + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Iterate through records */ - if(root_ptr.node_nrec > 0) { + if(bt2->root.node_nrec > 0) { /* Iterate through nodes */ - if((ret_value = H5B2_iterate_node(f, dxpl_id, bt2_shared, depth, &root_ptr, op, op_data)) < 0) + if((ret_value = H5B2_iterate_node(f, dxpl_id, bt2, bt2->depth, &bt2->root, op, op_data)) < 0) HERROR(H5E_BTREE, H5E_CANTLIST, "node iteration failed"); } /* end if */ done: - /* Check if we need to decrement the reference count for the B-tree's shared info */ - if(incr_rc) - H5RC_DEC(bt2_shared); + /* Release header */ + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_iterate() */ @@ -330,14 +306,11 @@ H5B2_find(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, void *udata, H5B2_found_t op, void *op_data) { H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ - H5RC_t *bt2_shared = NULL; /* Pointer to ref-counter for shared B-tree info */ - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ - hbool_t incr_rc = FALSE; /* Flag to indicate that we've incremented the B-tree's shared info reference count */ H5B2_node_ptr_t curr_node_ptr; /* Node pointer info for current node */ unsigned depth; /* Current depth of the tree */ int cmp; /* Comparison value of records */ unsigned idx; /* Location of record which matches key */ - htri_t ret_value = TRUE /* Return value */; + htri_t ret_value = TRUE; /* Return value */ FUNC_ENTER_NOAPI(H5B2_find, FAIL) @@ -350,25 +323,14 @@ H5B2_find(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Safely grab pointer to reference counted shared B-tree info, so we can release the B-tree header if necessary */ - bt2_shared = bt2->shared; - H5RC_INC(bt2_shared); - incr_rc = TRUE; - - /* Get the pointer to the shared B-tree info */ - shared = (H5B2_shared_t *)H5RC_GET_OBJ(bt2_shared); - HDassert(shared); + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Make copy of the root node pointer to start search with */ curr_node_ptr = bt2->root; /* Current depth of the tree */ - depth = shared->depth; - - /* Release header */ - if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") - bt2 = NULL; + depth = bt2->depth; /* Check for empty tree */ if(curr_node_ptr.node_nrec == 0) @@ -381,11 +343,11 @@ H5B2_find(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, H5B2_node_ptr_t next_node_ptr; /* Node pointer info for next node */ /* Lock B-tree current node */ - if(NULL == (internal = H5B2_protect_internal(f, dxpl_id, bt2_shared, curr_node_ptr.addr, curr_node_ptr.node_nrec, depth, H5AC_READ))) + if(NULL == (internal = H5B2_protect_internal(f, dxpl_id, bt2, curr_node_ptr.addr, curr_node_ptr.node_nrec, depth, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree internal node") /* Locate node pointer for child */ - cmp = H5B2_locate_record(shared->type, internal->nrec, shared->nat_off, internal->int_native, udata, &idx); + cmp = H5B2_locate_record(bt2->type, internal->nrec, bt2->nat_off, internal->int_native, udata, &idx); if(cmp > 0) idx++; @@ -402,7 +364,7 @@ H5B2_find(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, } /* end if */ else { /* Make callback for current record */ - if(op && (op)(H5B2_INT_NREC(internal, shared, idx), op_data) < 0) { + if(op && (op)(H5B2_INT_NREC(internal, bt2, idx), op_data) < 0) { /* Unlock current node */ if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_INT, curr_node_ptr.addr, internal, H5AC__NO_FLAGS_SET) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") @@ -426,11 +388,11 @@ H5B2_find(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, H5B2_leaf_t *leaf; /* Pointer to leaf node in B-tree */ /* Lock B-tree leaf node */ - if(NULL == (leaf = (H5B2_leaf_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, &(curr_node_ptr.node_nrec), bt2_shared, H5AC_READ))) + if(NULL == (leaf = (H5B2_leaf_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, &(curr_node_ptr.node_nrec), bt2, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree internal node") /* Locate record */ - cmp = H5B2_locate_record(shared->type, leaf->nrec, shared->nat_off, leaf->leaf_native, udata, &idx); + cmp = H5B2_locate_record(bt2->type, leaf->nrec, bt2->nat_off, leaf->leaf_native, udata, &idx); if(cmp != 0) { /* Unlock leaf node */ @@ -442,7 +404,7 @@ H5B2_find(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, } /* end if */ else { /* Make callback for current record */ - if(op && (op)(H5B2_LEAF_NREC(leaf, shared, idx), op_data) < 0) { + if(op && (op)(H5B2_LEAF_NREC(leaf, bt2, idx), op_data) < 0) { /* Unlock current node */ if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, leaf, H5AC__NO_FLAGS_SET) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") @@ -457,9 +419,12 @@ H5B2_find(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, } /* end block */ done: - /* Check if we need to decrement the reference count for the B-tree's shared info */ - if(incr_rc) - H5RC_DEC(bt2_shared); + /* Release header */ + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_find() */ @@ -487,13 +452,10 @@ herr_t H5B2_index(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, H5_iter_order_t order, hsize_t idx, H5B2_found_t op, void *op_data) { - H5B2_t *bt2=NULL; /* Pointer to the B-tree header */ - H5RC_t *bt2_shared=NULL; /* Pointer to ref-counter for shared B-tree info */ - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ - hbool_t incr_rc=FALSE; /* Flag to indicate that we've incremented the B-tree's shared info reference count */ + H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ H5B2_node_ptr_t curr_node_ptr; /* Node pointer info for current node */ unsigned depth; /* Current depth of the tree */ - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(H5B2_index, FAIL) @@ -507,25 +469,14 @@ H5B2_index(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Safely grab pointer to reference counted shared B-tree info, so we can release the B-tree header if necessary */ - bt2_shared = bt2->shared; - H5RC_INC(bt2_shared); - incr_rc = TRUE; - - /* Get the pointer to the shared B-tree info */ - shared = (H5B2_shared_t *)H5RC_GET_OBJ(bt2_shared); - HDassert(shared); + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Make copy of the root node pointer to start search with */ curr_node_ptr = bt2->root; /* Current depth of the tree */ - depth = shared->depth; - - /* Release header */ - if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") - bt2 = NULL; + depth = bt2->depth; /* Check for empty tree */ if(curr_node_ptr.node_nrec == 0) @@ -546,7 +497,7 @@ H5B2_index(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, unsigned u; /* Local index variable */ /* Lock B-tree current node */ - if(NULL == (internal = H5B2_protect_internal(f, dxpl_id, bt2_shared, curr_node_ptr.addr, curr_node_ptr.node_nrec, depth, H5AC_READ))) + if(NULL == (internal = H5B2_protect_internal(f, dxpl_id, bt2, curr_node_ptr.addr, curr_node_ptr.node_nrec, depth, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree internal node") /* Search for record with correct index */ @@ -570,7 +521,7 @@ H5B2_index(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, /* Check if record is in this node */ if(internal->node_ptrs[u].all_nrec == idx) { /* Make callback for current record */ - if((op)(H5B2_INT_NREC(internal, shared, u), op_data) < 0) { + if((op)(H5B2_INT_NREC(internal, bt2, u), op_data) < 0) { /* Unlock current node */ if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_INT, curr_node_ptr.addr, internal, H5AC__NO_FLAGS_SET) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") @@ -618,14 +569,14 @@ H5B2_index(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, H5B2_leaf_t *leaf; /* Pointer to leaf node in B-tree */ /* Lock B-tree leaf node */ - if(NULL == (leaf = (H5B2_leaf_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, &(curr_node_ptr.node_nrec), bt2_shared, H5AC_READ))) + if(NULL == (leaf = (H5B2_leaf_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, &(curr_node_ptr.node_nrec), bt2, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree internal node") /* Sanity check index */ HDassert(idx < leaf->nrec); /* Make callback for correct record */ - if((op)(H5B2_LEAF_NREC(leaf, shared, idx), op_data) < 0) { + if((op)(H5B2_LEAF_NREC(leaf, bt2, idx), op_data) < 0) { /* Unlock current node */ if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, leaf, H5AC__NO_FLAGS_SET) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") @@ -639,9 +590,12 @@ H5B2_index(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, } /* end block */ done: - /* Check if we need to decrement the reference count for the B-tree's shared info */ - if(incr_rc) - H5RC_DEC(bt2_shared); + /* Release header */ + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_index() */ @@ -665,9 +619,8 @@ H5B2_remove(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, void *udata, H5B2_remove_t op, void *op_data) { H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ - unsigned bt2_flags = H5AC__NO_FLAGS_SET; - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ - herr_t ret_value = SUCCEED; + unsigned bt2_flags = H5AC__NO_FLAGS_SET; /* Flags for unprotecting B-tree header */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(H5B2_remove, FAIL) @@ -680,37 +633,36 @@ H5B2_remove(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_WRITE))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Get the pointer to the shared B-tree info */ - shared = (H5B2_shared_t *)H5RC_GET_OBJ(bt2->shared); - HDassert(shared); + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Check for empty B-tree */ - if(bt2->root.all_nrec == 0) + if(0 == bt2->root.all_nrec) HGOTO_ERROR(H5E_BTREE, H5E_NOTFOUND, FAIL, "record is not in B-tree") /* Attempt to remove record from B-tree */ - if(shared->depth > 0) { + if(bt2->depth > 0) { hbool_t depth_decreased = FALSE; /* Flag to indicate whether the depth of the B-tree decreased */ - if(H5B2_remove_internal(f, dxpl_id, bt2->shared, &depth_decreased, NULL, shared->depth, + if(H5B2_remove_internal(f, dxpl_id, bt2, &depth_decreased, NULL, bt2->depth, &(bt2->cache_info), &bt2_flags, &bt2->root, udata, op, op_data) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTDELETE, FAIL, "unable to remove record from B-tree internal node") /* Check for decreasing the depth of the B-tree */ if(depth_decreased) { /* Destroy free list factories for previous depth */ - if(shared->node_info[shared->depth].nat_rec_fac) - if(H5FL_fac_term(shared->node_info[shared->depth].nat_rec_fac) < 0) + if(bt2->node_info[bt2->depth].nat_rec_fac) + if(H5FL_fac_term(bt2->node_info[bt2->depth].nat_rec_fac) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't destroy node's native record block factory") - if(shared->node_info[shared->depth].node_ptr_fac) - if(H5FL_fac_term(shared->node_info[shared->depth].node_ptr_fac) < 0) + if(bt2->node_info[bt2->depth].node_ptr_fac) + if(H5FL_fac_term(bt2->node_info[bt2->depth].node_ptr_fac) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't destroy node's node pointer block factory") - shared->depth -= depth_decreased; + bt2->depth -= depth_decreased; } /* end for */ } /* end if */ else { - if(H5B2_remove_leaf(f, dxpl_id, bt2->shared, &bt2->root, udata, op, op_data) < 0) + if(H5B2_remove_leaf(f, dxpl_id, bt2, &bt2->root, udata, op, op_data) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTDELETE, FAIL, "unable to remove record from B-tree leaf node") } /* end else */ @@ -722,8 +674,11 @@ H5B2_remove(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, done: /* Release the B-tree header info */ - if (bt2 && H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, bt2_flags) < 0) - HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, bt2_flags) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_remove() */ @@ -748,9 +703,8 @@ H5B2_remove_by_idx(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, void *op_data) { H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ - unsigned bt2_flags = H5AC__NO_FLAGS_SET; - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ - herr_t ret_value = SUCCEED; + unsigned bt2_flags = H5AC__NO_FLAGS_SET; /* Flags for unprotecting B-tree header */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(H5B2_remove_by_idx, FAIL) @@ -763,12 +717,11 @@ H5B2_remove_by_idx(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_WRITE))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Get the pointer to the shared B-tree info */ - shared = (H5B2_shared_t *)H5RC_GET_OBJ(bt2->shared); - HDassert(shared); + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Check for empty B-tree */ - if(bt2->root.all_nrec == 0) + if(0 == bt2->root.all_nrec) HGOTO_ERROR(H5E_BTREE, H5E_NOTFOUND, FAIL, "record is not in B-tree") /* Check for index greater than the number of records in the tree */ @@ -776,32 +729,32 @@ H5B2_remove_by_idx(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, HGOTO_ERROR(H5E_BTREE, H5E_NOTFOUND, FAIL, "B-tree doesn't have that many records") /* Check for reverse indexing and map requested index to appropriate forward index */ - if(order == H5_ITER_DEC) + if(H5_ITER_DEC == order) idx = bt2->root.all_nrec - (idx + 1); /* Attempt to remove record from B-tree */ - if(shared->depth > 0) { + if(bt2->depth > 0) { hbool_t depth_decreased = FALSE; /* Flag to indicate whether the depth of the B-tree decreased */ - if(H5B2_remove_internal_by_idx(f, dxpl_id, bt2->shared, &depth_decreased, NULL, shared->depth, + if(H5B2_remove_internal_by_idx(f, dxpl_id, bt2, &depth_decreased, NULL, bt2->depth, &(bt2->cache_info), &bt2_flags, &bt2->root, idx, op, op_data) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTDELETE, FAIL, "unable to remove record from B-tree internal node") /* Check for decreasing the depth of the B-tree */ if(depth_decreased) { /* Destroy free list factories for previous depth */ - if(shared->node_info[shared->depth].nat_rec_fac) - if(H5FL_fac_term(shared->node_info[shared->depth].nat_rec_fac) < 0) + if(bt2->node_info[bt2->depth].nat_rec_fac) + if(H5FL_fac_term(bt2->node_info[bt2->depth].nat_rec_fac) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't destroy node's native record block factory") - if(shared->node_info[shared->depth].node_ptr_fac) - if(H5FL_fac_term(shared->node_info[shared->depth].node_ptr_fac) < 0) + if(bt2->node_info[bt2->depth].node_ptr_fac) + if(H5FL_fac_term(bt2->node_info[bt2->depth].node_ptr_fac) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't destroy node's node pointer block factory") - shared->depth -= depth_decreased; + bt2->depth -= depth_decreased; } /* end for */ } /* end if */ else { - if(H5B2_remove_leaf_by_idx(f, dxpl_id, bt2->shared, &bt2->root, (unsigned)idx, op, op_data) < 0) + if(H5B2_remove_leaf_by_idx(f, dxpl_id, bt2, &bt2->root, (unsigned)idx, op, op_data) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTDELETE, FAIL, "unable to remove record from B-tree leaf node") } /* end else */ @@ -813,8 +766,11 @@ H5B2_remove_by_idx(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, done: /* Release the B-tree header info */ - if (bt2 && H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, bt2_flags) < 0) - HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, bt2_flags) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_remove_by_idx() */ @@ -849,16 +805,22 @@ H5B2_get_nrec(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, HDassert(nrec); /* Look up the B-tree header */ - if (NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) + if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") + /* Set file pointer for this B-tree operation */ + bt2->f = f; + /* Get B-tree number of records */ *nrec = bt2->root.all_nrec; done: /* Release B-tree header node */ - if (bt2 && H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) - HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_get_nrec() */ @@ -894,8 +856,7 @@ H5B2_neighbor(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, H5B2_compare_t range, void *udata, H5B2_found_t op, void *op_data) { H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(H5B2_neighbor, FAIL) @@ -909,28 +870,30 @@ H5B2_neighbor(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Get the pointer to the shared B-tree info */ - shared = (H5B2_shared_t *)H5RC_GET_OBJ(bt2->shared); - HDassert(shared); + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Check for empty tree */ if(!H5F_addr_defined(bt2->root.addr)) HGOTO_ERROR(H5E_BTREE, H5E_NOTFOUND, FAIL, "B-tree has no records") /* Attempt to find neighbor record in B-tree */ - if(shared->depth > 0) { - if(H5B2_neighbor_internal(f, dxpl_id, bt2->shared, shared->depth, &bt2->root, NULL, range, udata, op, op_data)<0) + if(bt2->depth > 0) { + if(H5B2_neighbor_internal(f, dxpl_id, bt2, bt2->depth, &bt2->root, NULL, range, udata, op, op_data) < 0) HGOTO_ERROR(H5E_BTREE, H5E_NOTFOUND, FAIL, "unable to find neighbor record in B-tree internal node") } /* end if */ else { - if(H5B2_neighbor_leaf(f, dxpl_id, bt2->shared, &bt2->root, NULL, range, udata, op, op_data)<0) + if(H5B2_neighbor_leaf(f, dxpl_id, bt2, &bt2->root, NULL, range, udata, op, op_data) < 0) HGOTO_ERROR(H5E_BTREE, H5E_NOTFOUND, FAIL, "unable to find neighbor record in B-tree leaf node") } /* end else */ done: /* Release the B-tree header info */ - if (bt2 && H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) - HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_neighbor() */ @@ -962,9 +925,8 @@ herr_t H5B2_delete(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, H5B2_remove_t op, void *op_data) { - H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ - herr_t ret_value = SUCCEED; + H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(H5B2_delete, FAIL) @@ -977,19 +939,21 @@ H5B2_delete(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_WRITE))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Get the pointer to the shared B-tree info */ - shared = (H5B2_shared_t *)H5RC_GET_OBJ(bt2->shared); - HDassert(shared); + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Delete all nodes in B-tree */ if(H5F_addr_defined(bt2->root.addr)) - if(H5B2_delete_node(f, dxpl_id, bt2->shared, shared->depth, &bt2->root, op, op_data) < 0) + if(H5B2_delete_node(f, dxpl_id, bt2, bt2->depth, &bt2->root, op, op_data) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTDELETE, FAIL, "unable to delete B-tree nodes") done: /* Release the B-tree header info */ - if(bt2 && H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__DELETED_FLAG | H5AC__FREE_FILE_SPACE_FLAG) < 0) - HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to delete B-tree header info") + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__DELETED_FLAG | H5AC__FREE_FILE_SPACE_FLAG) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to delete B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_delete() */ @@ -1019,15 +983,12 @@ herr_t H5B2_modify(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, void *udata, H5B2_modify_t op, void *op_data) { - H5B2_t *bt2=NULL; /* Pointer to the B-tree header */ - H5RC_t *bt2_shared=NULL; /* Pointer to ref-counter for shared B-tree info */ - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ - hbool_t incr_rc=FALSE; /* Flag to indicate that we've incremented the B-tree's shared info reference count */ + H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ H5B2_node_ptr_t curr_node_ptr; /* Node pointer info for current node */ unsigned depth; /* Current depth of the tree */ int cmp; /* Comparison value of records */ unsigned idx; /* Location of record which matches key */ - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(H5B2_modify, FAIL) @@ -1041,28 +1002,17 @@ H5B2_modify(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Safely grab pointer to reference counted shared B-tree info, so we can release the B-tree header if necessary */ - bt2_shared = bt2->shared; - H5RC_INC(bt2_shared); - incr_rc = TRUE; - - /* Get the pointer to the shared B-tree info */ - shared=(H5B2_shared_t *)H5RC_GET_OBJ(bt2_shared); - HDassert(shared); + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Make copy of the root node pointer to start search with */ curr_node_ptr = bt2->root; /* Current depth of the tree */ - depth = shared->depth; - - /* Release header */ - if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") - bt2 = NULL; + depth = bt2->depth; /* Check for empty tree */ - if(curr_node_ptr.node_nrec==0) + if(0 == curr_node_ptr.node_nrec) HGOTO_ERROR(H5E_BTREE, H5E_NOTFOUND, FAIL, "B-tree has no records") /* Walk down B-tree to find record or leaf node where record is located */ @@ -1073,20 +1023,20 @@ H5B2_modify(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, H5B2_node_ptr_t next_node_ptr; /* Node pointer info for next node */ /* Lock B-tree current node */ - if(NULL == (internal = H5B2_protect_internal(f, dxpl_id, bt2_shared, curr_node_ptr.addr, curr_node_ptr.node_nrec, depth, H5AC_WRITE))) + if(NULL == (internal = H5B2_protect_internal(f, dxpl_id, bt2, curr_node_ptr.addr, curr_node_ptr.node_nrec, depth, H5AC_WRITE))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree internal node") /* Locate node pointer for child */ - cmp = H5B2_locate_record(shared->type, internal->nrec, shared->nat_off, internal->int_native, udata, &idx); + cmp = H5B2_locate_record(bt2->type, internal->nrec, bt2->nat_off, internal->int_native, udata, &idx); if(cmp > 0) idx++; if(cmp != 0) { /* Get node pointer for next node to search */ - next_node_ptr=internal->node_ptrs[idx]; + next_node_ptr = internal->node_ptrs[idx]; /* Unlock current node */ - if (H5AC_unprotect(f, dxpl_id, H5AC_BT2_INT, curr_node_ptr.addr, internal, H5AC__NO_FLAGS_SET) < 0) + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_INT, curr_node_ptr.addr, internal, H5AC__NO_FLAGS_SET) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") /* Set pointer to next node to load */ @@ -1096,12 +1046,12 @@ H5B2_modify(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, hbool_t changed; /* Whether the 'modify' callback changed the record */ /* Make callback for current record */ - if ( (op)(H5B2_INT_NREC(internal,shared,idx), op_data, &changed) <0) { + if((op)(H5B2_INT_NREC(internal, bt2, idx), op_data, &changed) < 0) { /* Make certain that the callback didn't modify the value if it failed */ - HDassert(changed==FALSE); + HDassert(changed == FALSE); /* Unlock current node */ - if (H5AC_unprotect(f, dxpl_id, H5AC_BT2_INT, curr_node_ptr.addr, internal, H5AC__NO_FLAGS_SET) < 0) + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_INT, curr_node_ptr.addr, internal, H5AC__NO_FLAGS_SET) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") HGOTO_ERROR(H5E_BTREE, H5E_CANTMODIFY, FAIL, "'modify' callback failed for B-tree find operation") @@ -1111,7 +1061,7 @@ H5B2_modify(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, internal_flags |= changed ? H5AC__DIRTIED_FLAG : 0; /* Unlock current node */ - if (H5AC_unprotect(f, dxpl_id, H5AC_BT2_INT, curr_node_ptr.addr, internal, internal_flags) < 0) + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_INT, curr_node_ptr.addr, internal, internal_flags) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") HGOTO_DONE(SUCCEED); @@ -1127,15 +1077,15 @@ H5B2_modify(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, hbool_t changed = FALSE;/* Whether the 'modify' callback changed the record */ /* Lock B-tree leaf node */ - if (NULL == (leaf = (H5B2_leaf_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, &(curr_node_ptr.node_nrec), bt2_shared, H5AC_WRITE))) + if(NULL == (leaf = (H5B2_leaf_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, &(curr_node_ptr.node_nrec), bt2, H5AC_WRITE))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree internal node") /* Locate record */ - cmp = H5B2_locate_record(shared->type, leaf->nrec, shared->nat_off, leaf->leaf_native, udata, &idx); + cmp = H5B2_locate_record(bt2->type, leaf->nrec, bt2->nat_off, leaf->leaf_native, udata, &idx); if(cmp != 0) { /* Unlock leaf node */ - if (H5AC_unprotect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, leaf, H5AC__NO_FLAGS_SET) < 0) + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, leaf, H5AC__NO_FLAGS_SET) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") /* Note: don't push error on stack, leave that to next higher level, @@ -1150,12 +1100,12 @@ H5B2_modify(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, } /* end if */ else { /* Make callback for current record */ - if ((op)(H5B2_LEAF_NREC(leaf,shared,idx), op_data, &changed) <0) { + if((op)(H5B2_LEAF_NREC(leaf, bt2, idx), op_data, &changed) < 0) { /* Make certain that the callback didn't modify the value if it failed */ - HDassert(changed==FALSE); + HDassert(changed == FALSE); /* Unlock current node */ - if (H5AC_unprotect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, leaf, H5AC__NO_FLAGS_SET) < 0) + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, leaf, H5AC__NO_FLAGS_SET) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") HGOTO_ERROR(H5E_BTREE, H5E_CANTMODIFY, FAIL, "'modify' callback failed for B-tree find operation") @@ -1166,14 +1116,17 @@ H5B2_modify(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, leaf_flags |= (changed ? H5AC__DIRTIED_FLAG : 0); /* Unlock current node */ - if (H5AC_unprotect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, leaf, leaf_flags) < 0) + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_LEAF, curr_node_ptr.addr, leaf, leaf_flags) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") } done: - /* Check if we need to decrement the reference count for the B-tree's shared info */ - if(incr_rc) - H5RC_DEC(bt2_shared); + /* Release header */ + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_modify() */ @@ -1196,12 +1149,7 @@ herr_t H5B2_iterate_size(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t addr, hsize_t *btree_size) { H5B2_t *bt2 = NULL; /* Pointer to the B-tree header */ - H5B2_shared_t *shared; /* Pointer to B-tree's shared information */ - H5RC_t *bt2_shared = NULL; /* Pointer to ref-counter for shared B-tree info */ - hbool_t incr_rc = FALSE; /* Flag to indicate that we've incremented the B-tree's shared info reference count */ - H5B2_node_ptr_t root_ptr; /* Node pointer info for root node */ - unsigned depth; /* Current depth of the tree */ - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED;/* Return value */ FUNC_ENTER_NOAPI(H5B2_iterate_size, FAIL) @@ -1215,44 +1163,30 @@ H5B2_iterate_size(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type, haddr_t add if(NULL == (bt2 = (H5B2_t *)H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header") - /* Safely grab pointer to reference counted shared B-tree info, so we can release the B-tree header if necessary */ - bt2_shared = bt2->shared; - H5RC_INC(bt2_shared); - incr_rc = TRUE; - - /* Get the pointer to the shared B-tree info */ - shared = (H5B2_shared_t *)H5RC_GET_OBJ(bt2->shared); - HDassert(shared); + /* Set file pointer for this B-tree operation */ + bt2->f = f; /* Add size of header to B-tree metadata total */ *btree_size += H5B2_HEADER_SIZE(f); - /* Make copy of the root node pointer */ - root_ptr = bt2->root; - - /* Current depth of the tree */ - depth = shared->depth; - - /* Release header */ - if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") - bt2 = NULL; - /* Iterate through records */ - if(root_ptr.node_nrec > 0) { + if(bt2->root.node_nrec > 0) { /* Check for root node being a leaf */ - if(depth == 0) - *btree_size += shared->node_size; + if(bt2->depth == 0) + *btree_size += bt2->node_size; else /* Iterate through nodes */ - if(H5B2_iterate_size_node(f, dxpl_id, bt2_shared, depth, &root_ptr, btree_size) < 0) - HGOTO_ERROR(H5E_BTREE, H5E_CANTLIST, FAIL, "node iteration failed"); + if(H5B2_iterate_size_node(f, dxpl_id, bt2, bt2->depth, &bt2->root, btree_size) < 0) + HGOTO_ERROR(H5E_BTREE, H5E_CANTLIST, FAIL, "node iteration failed") } /* end if */ done: - /* Check if we need to decrement the reference count for the B-tree's shared info */ - if(incr_rc) - H5RC_DEC(bt2_shared); + /* Release header */ + if(bt2) { + bt2->f = NULL; + if(H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info") + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_iterate_size() */ |