};
struct request_queue *blk_mq_init_queue(struct blk_mq_reg *, void *);
-void blk_mq_free_queue(struct request_queue *);
int blk_mq_register_disk(struct gendisk *);
void blk_mq_unregister_disk(struct gendisk *);
void blk_mq_init_commands(struct request_queue *, void (*init)(void *data, struct blk_mq_hw_ctx *, struct request *, unsigned int), void *data);
}
#define queue_for_each_hw_ctx(q, hctx, i) \
- for ((i) = 0, hctx = (q)->queue_hw_ctx[0]; \
- (i) < (q)->nr_hw_queues; (i)++, hctx = (q)->queue_hw_ctx[i])
+ for ((i) = 0; (i) < (q)->nr_hw_queues && \
+ ({ hctx = (q)->queue_hw_ctx[i]; 1; }); (i)++)
#define queue_for_each_ctx(q, ctx, i) \
- for ((i) = 0, ctx = per_cpu_ptr((q)->queue_ctx, 0); \
- (i) < (q)->nr_queues; (i)++, ctx = per_cpu_ptr(q->queue_ctx, (i)))
+ for ((i) = 0; (i) < (q)->nr_queues && \
+ ({ ctx = per_cpu_ptr((q)->queue_ctx, (i)); 1; }); (i)++)
#define hctx_for_each_ctx(hctx, ctx, i) \
- for ((i) = 0, ctx = (hctx)->ctxs[0]; \
- (i) < (hctx)->nr_ctx; (i)++, ctx = (hctx)->ctxs[(i)])
+ for ((i) = 0; (i) < (hctx)->nr_ctx && \
+ ({ ctx = (hctx)->ctxs[(i)]; 1; }); (i)++)
#define blk_ctx_sum(q, sum) \
({ \