kek_except_t * make_exception(kek_obj_t * msg) {
uint32_t id = gc_rootset_add((kek_obj_t **) &msg);
class_t * expt_class = vm_find_class("Exception");
kek_except_t * expt = (kek_except_t*) alloc_exception(expt_class);
native_new_exception(expt, msg);
gc_rootset_remove_id(id);
return expt;
}
static inline struct pending_exception *alloc_pending_exception(void)
{
return mempool_alloc(pending_pool, GFP_NOIO);
}
static inline void free_pending_exception(struct pending_exception *pe)
{
mempool_free(pe, pending_pool);
}
int dm_add_exception(struct dm_snapshot *s, chunk_t old, chunk_t new)
{
struct exception *e;
e = alloc_exception();
if (!e)
return -ENOMEM;
e->old_chunk = old;
e->new_chunk = new;
insert_exception(&s->complete, e);
return 0;
}
/*
* Hard coded magic.
*/
static int calc_max_buckets(void)
{
/* use a fixed size of 2MB */
