int oc_bpt_insert_range_b(
struct Oc_wu *wu_p,
Oc_bpt_state *s_p,
int length,
struct Oc_bpt_key *key_array,
struct Oc_bpt_data *data_array)
{
int rc;
if (0 == length) return 0;
oc_bpt_trace_wu_lvl(
2, OC_EV_BPT_INSERT_RANGE, wu_p, "tid=%Lu [%s]",
s_p->tid,
oc_bpt_nd_string_of_2key(
s_p,
oc_bpt_nd_key_array_kth(s_p, key_array, 0),
oc_bpt_nd_key_array_kth(s_p, key_array, length-1)));
oc_utl_debugassert(s_p->cfg_p->initialized);
oc_utl_trk_crt_lock_read(wu_p, &s_p->lock);
rc = oc_bpt_op_insert_range_b(wu_p, s_p, length, key_array, data_array);
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
oc_bpt_trace_wu_lvl(3, OC_EV_BPT_INSERT_RANGE, wu_p, "rc=%d", rc);
return rc;
}
bool oc_bpt_dbg_validate_clones_b(
struct Oc_wu *wu_p,
int n_clones,
Oc_bpt_state *st_array[])
{
bool rc;
int i;
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_VALIDATE_CLONES, wu_p, "");
// lock all the clones
for (i=0; i<n_clones; i++) {
Oc_bpt_state *s_p = st_array[i];
oc_utl_debugassert(s_p->cfg_p->initialized);
oc_utl_trk_crt_lock_write(wu_p, &s_p->lock);
}
rc = oc_bpt_op_validate_clones_b(wu_p, n_clones, st_array);
// unlock all the clones
for (i=0; i<n_clones; i++) {
Oc_bpt_state *s_p = st_array[i];
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
}
return rc;
}
void oc_bpt_lookup_range_b(
struct Oc_wu *wu_p,
Oc_bpt_state *s_p,
struct Oc_bpt_key *min_key_p,
struct Oc_bpt_key *max_key_p,
int max_num_keys_i,
struct Oc_bpt_key *key_array_po,
struct Oc_bpt_data *data_array_po,
int *nkeys_found_po)
{
struct Oc_bpt_op_lookup_range lkr;
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_LOOKUP_RANGE, wu_p, "tid=%Lu [%s]",
s_p->tid,
oc_bpt_nd_string_of_2key(s_p, min_key_p, max_key_p));
oc_utl_debugassert(s_p->cfg_p->initialized);
lkr.min_key_p = min_key_p;
lkr.max_key_p = max_key_p;
lkr.max_num_keys_i = max_num_keys_i;
lkr.key_array_po = key_array_po;
lkr.data_array_po = data_array_po;
lkr.nkeys_found_po = nkeys_found_po;
// There are too many arguments, we stuff them into a single structure
oc_utl_trk_crt_lock_read(wu_p, &s_p->lock);
oc_bpt_op_lookup_range_b(wu_p, s_p, &lkr);
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
}
static void node_release(Oc_wu *wu_p, Oc_bpt_node *node_p)
{
oc_utl_trk_crt_unlock(wu_p, &node_p->lock);
g_refcnt--;
oc_utl_assert(g_refcnt>=0);
}
uint64 oc_bpt_create_b(
struct Oc_wu *wu_p,
Oc_bpt_state *s_p)
{
oc_utl_assert(NULL == s_p->root_node_p);
oc_utl_debugassert(s_p->cfg_p->initialized);
oc_utl_trk_crt_lock_write(wu_p, &s_p->lock);
{
s_p->root_node_p = s_p->cfg_p->node_alloc(wu_p);
oc_bpt_nd_create_root(wu_p, s_p, s_p->root_node_p);
oc_utl_trk_crt_unlock(wu_p, &s_p->root_node_p->lock);
}
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
return s_p->root_node_p->disk_addr;
}
void oc_bpt_iter_b(
struct Oc_wu *wu_p,
struct Oc_bpt_state *s_p,
void (*iter_f)(struct Oc_wu *, Oc_bpt_node*))
{
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_ITER, wu_p, "tid=%Lu", s_p->tid);
oc_utl_trk_crt_lock_write(wu_p, &s_p->lock);
oc_bpt_utl_iter_b(wu_p, s_p, iter_f, s_p->root_node_p);
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
}
void oc_bpt_dbg_output_b(
struct Oc_wu *wu_p,
struct Oc_bpt_state *s_p,
char *tag_p)
{
oc_utl_debugassert(s_p->cfg_p->initialized);
oc_utl_trk_crt_lock_write(wu_p, &s_p->lock);
oc_bpt_op_output_dot_b(wu_p, s_p, tag_p);
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
}
bool oc_bpt_dbg_validate_b(
struct Oc_wu *wu_p,
Oc_bpt_state *s_p)
{
bool rc;
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_VALIDATE, wu_p, "tid=%Lu", s_p->tid);
oc_utl_debugassert(s_p->cfg_p->initialized);
oc_utl_trk_crt_lock_write(wu_p, &s_p->lock);
rc = oc_bpt_op_validate_b(wu_p, s_p);
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
return rc;
}
bool oc_bpt_remove_key_b(
struct Oc_wu *wu_p,
struct Oc_bpt_state *s_p,
struct Oc_bpt_key *key_p)
{
bool rc;
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_REMOVE_KEY, wu_p, "tid=%Lu %s",
s_p->tid, oc_bpt_nd_string_of_key(s_p, key_p));
oc_utl_debugassert(s_p->cfg_p->initialized);
oc_utl_trk_crt_lock_read(wu_p, &s_p->lock);
rc = oc_bpt_op_remove_key_b(wu_p, s_p, key_p);
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
return rc;
}
bool oc_bpt_lookup_key_b(
struct Oc_wu *wu_p,
struct Oc_bpt_state *s_p,
struct Oc_bpt_key *key_p,
struct Oc_bpt_data *data_po)
{
bool rc;
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_LOOKUP_KEY, wu_p, "tid=%Lu key=%s",
s_p->tid, oc_bpt_nd_string_of_key(s_p, key_p));
oc_utl_debugassert(s_p->cfg_p->initialized);
oc_utl_trk_crt_lock_read(wu_p, &s_p->lock);
rc = oc_bpt_op_lookup_b(wu_p, s_p, key_p, data_po);
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
return rc;
}
int oc_bpt_remove_range_b(
struct Oc_wu *wu_p,
Oc_bpt_state *s_p,
struct Oc_bpt_key *min_key_p,
struct Oc_bpt_key *max_key_p)
{
int rc;
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_REMOVE_RANGE, wu_p, "tid=%Lu [%s]",
s_p->tid,
oc_bpt_nd_string_of_2key(s_p, min_key_p, max_key_p));
oc_utl_debugassert(s_p->cfg_p->initialized);
oc_utl_trk_crt_lock_write(wu_p, &s_p->lock);
rc = oc_bpt_op_remove_range_b(wu_p, s_p, min_key_p, max_key_p);
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
return rc;
}
void oc_bpt_delete_b(
struct Oc_wu *wu_p,
struct Oc_bpt_state *s_p)
{
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_DELETE, wu_p, "tid=%Lu", s_p->tid);
oc_utl_debugassert(s_p->cfg_p->initialized);
oc_utl_trk_crt_lock_write(wu_p, &s_p->lock);
/* We need to upgrade the root-lock to a shared-lock
* because the delete-code unlocks all the pages after
* deleting them. This means that the root cannot remain
* unlocked, as usual.
*/
oc_utl_trk_crt_lock_read(wu_p, &s_p->root_node_p->lock);
oc_bpt_utl_delete_subtree_b(wu_p, s_p, s_p->root_node_p);
s_p->root_node_p = NULL;
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
}
uint64 oc_bpt_clone_b(
struct Oc_wu *wu_p,
Oc_bpt_state *src_p,
Oc_bpt_state *trg_p)
{
// make sure the configurations are equivalent
oc_utl_assert(trg_p->cfg_p == src_p->cfg_p);
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_CLONE, wu_p,
"tid=%Lu -> tid=%Lu",
src_p->tid, trg_p->tid);
oc_utl_debugassert(src_p->cfg_p->initialized);
oc_utl_debugassert(trg_p->cfg_p->initialized);
oc_utl_assert(NULL == trg_p->root_node_p);
oc_utl_trk_crt_lock_write(wu_p, &src_p->lock);
oc_bpt_nd_clone_root(wu_p, src_p, trg_p);
oc_utl_trk_crt_unlock(wu_p, &src_p->lock);
return trg_p->root_node_p->disk_addr;
}
void oc_bpt_cow_root_and_update_b(
struct Oc_wu *wu_p,
struct Oc_bpt_state *s_p,
struct Oc_bpt_data *father_data_p,
int size)
{
// Old disk-addr stored as data in father
uint64 prev_addr = *((uint64*)father_data_p);
Oc_bpt_node *node_p;
int fs_refcnt;
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_COW_ROOT_AND_UPDATE, wu_p,
"lba of root as appers in father (before update):%llu",
prev_addr);
oc_utl_assert(NULL != s_p->root_node_p);
oc_utl_trk_crt_lock_write(wu_p, &s_p->lock);
node_p = s_p->cfg_p->node_get_xl(wu_p, s_p->root_node_p->disk_addr);
oc_utl_debugassert(node_p == s_p->root_node_p);
fs_refcnt = s_p->cfg_p->fs_get_refcount(
wu_p,
s_p->root_node_p->disk_addr);
s_p->cfg_p->node_mark_dirty(wu_p, s_p->root_node_p, (fs_refcnt > 1));
if (s_p->root_node_p->disk_addr != prev_addr)
{
uint64 new_addr = s_p->root_node_p->disk_addr;
memcpy((char*)father_data_p, &new_addr, size);
}
oc_bpt_trace_wu_lvl(2, OC_EV_BPT_COW_ROOT_AND_UPDATE, wu_p,
"lba of root as appers in father (AFTER update):%llu",
*((uint64*)father_data_p));
oc_bpt_nd_release(wu_p, s_p, s_p->root_node_p);// Dalit: may not be needed
oc_utl_trk_crt_unlock(wu_p, &s_p->lock); // Dalit: may not be needed
}
void oc_bpt_dbg_output_clones_b(
struct Oc_wu *wu_p,
int n_clones,
struct Oc_bpt_state *st_array[],
char *tag_p)
{
int i;
for (i=0 ; i < n_clones; i++) {
struct Oc_bpt_state *s_p = st_array[i];
oc_utl_debugassert(s_p->cfg_p->initialized);
oc_utl_trk_crt_lock_write(wu_p, &s_p->lock);
}
oc_bpt_op_output_clones_dot_b(wu_p, n_clones,
st_array,
tag_p);
for (i=0 ; i < n_clones; i++) {
struct Oc_bpt_state *s_p = st_array[i];
oc_utl_trk_crt_unlock(wu_p, &s_p->lock);
}
}