block: pass a gendisk to blk_queue_clear_zone_settings

Switch to a gendisk based API in preparation for moving all zone related
fields from the request_queue to the gendisk.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20220706070350.1703384-8-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-settings.c

@@ -946,7 +946,7 @@ void disk_set_zoned(struct gendisk *disk, enum blk_zoned_model model)
 		blk_queue_zone_write_granularity(q,
 						queue_logical_block_size(q));
 	} else {
-		blk_queue_clear_zone_settings(q);
+		disk_clear_zone_settings(disk);
 	}
 }
 EXPORT_SYMBOL_GPL(disk_set_zoned);

block/blk-zoned.c

@@ -622,8 +622,10 @@ int blk_revalidate_disk_zones(struct gendisk *disk,
 }
 EXPORT_SYMBOL_GPL(blk_revalidate_disk_zones);
 
-void blk_queue_clear_zone_settings(struct request_queue *q)
+void disk_clear_zone_settings(struct gendisk *disk)
 {
+	struct request_queue *q = disk->queue;
+
 	blk_mq_freeze_queue(q);
 
 	blk_queue_free_zone_bitmaps(q);

block/blk.h

@@ -406,10 +406,10 @@ static inline int blk_iolatency_init(struct request_queue *q) { return 0; }
 
 #ifdef CONFIG_BLK_DEV_ZONED
 void blk_queue_free_zone_bitmaps(struct request_queue *q);
-void blk_queue_clear_zone_settings(struct request_queue *q);
+void disk_clear_zone_settings(struct gendisk *disk);
 #else
 static inline void blk_queue_free_zone_bitmaps(struct request_queue *q) {}
-static inline void blk_queue_clear_zone_settings(struct request_queue *q) {}
+static inline void disk_clear_zone_settings(struct gendisk *disk) {}
 #endif
 
 int blk_alloc_ext_minor(void);