lib/ftl: Add helper loop iterator for FTL request

	} io;

};

static inline bool

ftl_rq_entry_loop_assert(struct ftl_rq *rq, struct ftl_rq_entry *entry, uint32_t count)

{

	assert(entry >= rq->entries);

	assert(((uintptr_t)entry - (uintptr_t)rq->entries) % sizeof(*entry) == 0);

	assert(count <= rq->num_blocks);

	return true;

}

#define FTL_RQ_ENTRY_LOOP_FROM(rq, from, entry, count) \

	for ((entry) = (from); \

		(entry) < (&(rq)->entries[count]) && ftl_rq_entry_loop_assert(rq, entry, count); (entry)++)

#define FTL_RQ_ENTRY_LOOP(rq, entry, count) \

	FTL_RQ_ENTRY_LOOP_FROM(rq, (rq)->entries, entry, count)

void ftl_io_fail(struct ftl_io *io, int status);

void ftl_io_clear(struct ftl_io *io);

void ftl_io_inc_req(struct ftl_io *io);