void oc_xt_test_nd_dealloc(Oc_wu *wu_p, uint64 addr)
{
Oc_xt_test_node *tnode_p;
char *data;
if (wu_p->po_id != 0)
if (random_choose(2) == 0)
oc_crt_yield_task();
// extract the node fromt the table prior to removal
tnode_p = vd_node_lookup(addr);
// remove the node from the virtual-disk
vd_node_remove(addr);
oc_utl_assert(tnode_p);
oc_utl_assert(tnode_p->node.data);
oc_utl_assert(tnode_p->magic == MAGIC);
// mess up the node so that errors will occur on illegal accesses
tnode_p->magic = -1;
data = tnode_p->node.data;
tnode_p->node.data = NULL;
tnode_p->node.lock.counter = 100;
tnode_p->node.disk_addr = 0;
free(data);
free(tnode_p);
}
static void node_dealloc(Oc_wu *wu_p, uint64 addr)
{
if (wu_p->po_id != 0)
if (oc_bpt_test_utl_random_number(2) == 0)
oc_crt_yield_task();
oc_bpt_test_fs_dealloc(addr);
if (oc_bpt_test_fs_get_refcount(wu_p, addr) == 0)
{
// Free the block only if it's ref-count is zero
Oc_bpt_test_node *tnode_p;
char *data;
// extract the node from the table prior to removal
tnode_p = vd_node_lookup(addr);
// remove the node from the virtual-disk
vd_node_remove(addr);
oc_utl_assert(tnode_p);
oc_utl_assert(tnode_p->node.data);
oc_utl_assert(tnode_p->magic == MAGIC);
// mess up the node so that errors will occur on illegal accesses
tnode_p->magic = -1;
data = tnode_p->node.data;
tnode_p->node.data = NULL;
tnode_p->node.disk_addr = 0;
free(data);
free(tnode_p);
}
}
static Oc_bpt_node* node_alloc(Oc_wu *wu_p)
{
Oc_bpt_test_node *tnode_p;
Oc_bpt_node *node_p;
// simple checking for ref-counts
g_refcnt++;
if (wu_p->po_id != 0)
if (oc_bpt_test_utl_random_number(2) == 0)
oc_crt_yield_task();
tnode_p = (struct Oc_bpt_test_node*) wrap_malloc(sizeof(Oc_bpt_test_node));
memset(tnode_p, 0, sizeof(Oc_bpt_test_node));
oc_crt_init_rw_lock(&tnode_p->node.lock);
tnode_p->node.data = (char*) wrap_malloc(NODE_SIZE);
tnode_p->node.disk_addr = oc_bpt_test_fs_alloc();
tnode_p->magic = MAGIC;
// add the node into the virtual-disk
vd_node_insert(tnode_p);
node_p = &tnode_p->node;
// Lock the node
oc_utl_trk_crt_lock_write(wu_p, &node_p->lock);
return node_p;
}
Oc_xt_node* oc_xt_test_nd_get(Oc_wu *wu_p, uint64 addr)
{
Oc_xt_test_node *tnode_p;
oc_utl_assert(addr != 0);
if (wu_p->po_id != 0)
if (random_choose(2) == 0)
oc_crt_yield_task();
g_refcnt++;
tnode_p = vd_node_lookup(addr);
if (NULL == tnode_p) {
printf("error, did not find a b-tree node at address=%Lu po=%lu\n",
addr, wu_p->po_id);
oc_utl_assert(0);
}
oc_utl_assert(MAGIC == tnode_p->magic);
return &tnode_p->node;
}
Oc_xt_node* oc_xt_test_nd_alloc(Oc_wu *wu_p)
{
Oc_xt_test_node *tnode_p;
// simple checking for ref-counts
g_refcnt++;
if (wu_p->po_id != 0)
if (random_choose(2) == 0)
oc_crt_yield_task();
tnode_p = (struct Oc_xt_test_node*) wrap_malloc(sizeof(Oc_xt_test_node));
memset(tnode_p, 0, sizeof(Oc_xt_test_node));
oc_crt_init_rw_lock(&tnode_p->node.lock);
tnode_p->node.data = (char*) wrap_malloc(OC_XT_TEST_ND_SIZE);
tnode_p->node.disk_addr = fs_alloc();
tnode_p->magic = MAGIC;
// add the node into the virtual-disk
vd_node_insert(tnode_p);
return &tnode_p->node;
}
static void data_release(Oc_wu *wu_p, struct Oc_bpt_data *data)
{
if (wu_p->po_id != 0)
if (oc_bpt_test_utl_random_number(3) == 0)
oc_crt_yield_task();
}
