block: make blk_set_default_limits() private

There are no external users of this function.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221110184501.2451620-4-kbusch@meta.comSigned-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-settings.c

@@ -59,7 +59,6 @@ void blk_set_default_limits(struct queue_limits *lim)
 	lim->zone_write_granularity = 0;
 	lim->dma_alignment = 511;
 }
-EXPORT_SYMBOL(blk_set_default_limits);
 
 /**
  * blk_set_stacking_limits - set default limits for stacking devices

block/blk.h

@@ -324,6 +324,7 @@ void blk_rq_set_mixed_merge(struct request *rq);
 bool blk_rq_merge_ok(struct request *rq, struct bio *bio);
 enum elv_merge blk_try_merge(struct request *rq, struct bio *bio);
 
+void blk_set_default_limits(struct queue_limits *lim);
 int blk_dev_init(void);
 
 /*

include/linux/blkdev.h

@@ -945,7 +945,6 @@ extern void blk_queue_io_min(struct request_queue *q, unsigned int min);
 extern void blk_limits_io_opt(struct queue_limits *limits, unsigned int opt);
 extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt);
 extern void blk_set_queue_depth(struct request_queue *q, unsigned int depth);
-extern void blk_set_default_limits(struct queue_limits *lim);
 extern void blk_set_stacking_limits(struct queue_limits *lim);
 extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
 			    sector_t offset);