dm_exception_table
struct dm_exception_table complete;
struct dm_exception_table table_swap;
static uint32_t exception_hash(struct dm_exception_table *et, chunk_t chunk);
struct dm_exception_table *complete = &s->complete;
struct dm_exception_table *pending = &s->pending;
static int dm_exception_table_init(struct dm_exception_table *et,
static void dm_exception_table_exit(struct dm_exception_table *et,
static uint32_t exception_hash(struct dm_exception_table *et, chunk_t chunk)
static struct dm_exception *dm_lookup_exception(struct dm_exception_table *et,
static void dm_insert_exception(struct dm_exception_table *eh,
struct dm_exception_table pending;