diff options
Diffstat (limited to 'src/H5B2test.c')
| -rw-r--r-- | src/H5B2test.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/src/H5B2test.c b/src/H5B2test.c index 24163e0..aec2aba 100644 --- a/src/H5B2test.c +++ b/src/H5B2test.c @@ -518,6 +518,7 @@ H5B2_get_node_info_test(H5B2_t *bt2, hid_t dxpl_id, void *udata, { H5B2_hdr_t *hdr; /* Pointer to the B-tree header */ H5B2_node_ptr_t curr_node_ptr; /* Node pointer info for current node */ + void *parent = NULL; /* Parent of current node */ uint16_t depth; /* Current depth of the tree */ int cmp; /* Comparison value of records */ unsigned idx; /* Location of record which matches key */ @@ -537,6 +538,10 @@ H5B2_get_node_info_test(H5B2_t *bt2, hid_t dxpl_id, void *udata, /* Make copy of the root node pointer to start search with */ curr_node_ptr = hdr->root; + /* Set initial parent, if doing swmr writes */ + if(hdr->swmr_write) + parent = hdr; + /* Current depth of the tree */ depth = hdr->depth; @@ -551,9 +556,16 @@ H5B2_get_node_info_test(H5B2_t *bt2, hid_t dxpl_id, void *udata, H5B2_node_ptr_t next_node_ptr; /* Node pointer info for next node */ /* Lock B-tree current node */ - if(NULL == (internal = H5B2__protect_internal(hdr, dxpl_id, curr_node_ptr.addr, curr_node_ptr.node_nrec, depth, H5AC__READ_ONLY_FLAG))) + if(NULL == (internal = H5B2__protect_internal(hdr, dxpl_id, parent, &curr_node_ptr, depth, FALSE, H5AC__READ_ONLY_FLAG))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree internal node") + /* Unpin parent if necessary */ + if(parent) { + if(parent != hdr && H5AC_unpin_entry(parent) < 0) + HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPIN, FAIL, "unable to unpin parent entry") + parent = NULL; + } /* end if */ + /* Locate node pointer for child */ if(H5B2__locate_record(hdr->cls, internal->nrec, hdr->nat_off, internal->int_native, udata, &idx, &cmp) < 0) @@ -567,9 +579,13 @@ H5B2_get_node_info_test(H5B2_t *bt2, hid_t dxpl_id, void *udata, next_node_ptr = internal->node_ptrs[idx]; /* Unlock current node */ - if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_BT2_INT, curr_node_ptr.addr, internal, H5AC__NO_FLAGS_SET) < 0) + if(H5AC_unprotect(hdr->f, dxpl_id, H5AC_BT2_INT, curr_node_ptr.addr, internal, (unsigned)(hdr->swmr_write ? H5AC__PIN_ENTRY_FLAG : H5AC__NO_FLAGS_SET)) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree node") + /* Keep track of parent if necessary */ + if(hdr->swmr_write) + parent = internal; + /* Set pointer to next node to load */ curr_node_ptr = next_node_ptr; } /* end if */ @@ -594,9 +610,16 @@ H5B2_get_node_info_test(H5B2_t *bt2, hid_t dxpl_id, void *udata, H5B2_leaf_t *leaf; /* Pointer to leaf node in B-tree */ /* Lock B-tree leaf node */ - if(NULL == (leaf = H5B2__protect_leaf(hdr, dxpl_id, curr_node_ptr.addr, curr_node_ptr.node_nrec, H5AC__READ_ONLY_FLAG))) + if(NULL == (leaf = H5B2__protect_leaf(hdr, dxpl_id, parent, &curr_node_ptr, FALSE, H5AC__READ_ONLY_FLAG))) HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to protect B-tree leaf node") + /* Unpin parent if necessary */ + if(parent) { + if(parent != hdr && H5AC_unpin_entry(parent) < 0) + HGOTO_ERROR(H5E_BTREE, H5E_CANTUNPIN, FAIL, "unable to unpin parent entry") + parent = NULL; + } /* end if */ + /* Locate record */ if(H5B2__locate_record(hdr->cls, leaf->nrec, hdr->nat_off, leaf->leaf_native, udata, &idx, &cmp) < 0) @@ -616,6 +639,12 @@ H5B2_get_node_info_test(H5B2_t *bt2, hid_t dxpl_id, void *udata, ninfo->nrec = curr_node_ptr.node_nrec; done: + if(parent) { + HDassert(ret_value < 0); + if(parent != hdr && H5AC_unpin_entry(parent) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTUNPIN, FAIL, "unable to unpin parent entry") + } /* end if */ + FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_get_node_info_test() */ |