114 unsigned int bdev_nr_zones(struct block_device *bdev)  in bdev_nr_zones()  argument
116 	sector_t zone_sectors = bdev_zone_sectors(bdev);  in bdev_nr_zones()
118 	if (!bdev_is_zoned(bdev))  in bdev_nr_zones()
120 	return (bdev_nr_sectors(bdev) + zone_sectors - 1) >>  in bdev_nr_zones()
144 int blkdev_report_zones(struct block_device *bdev, sector_t sector,  in blkdev_report_zones()  argument
147 	struct gendisk *disk = bdev->bd_disk;  in blkdev_report_zones()
150 	if (!bdev_is_zoned(bdev) || WARN_ON_ONCE(!disk->fops->report_zones))  in blkdev_report_zones()
186 static int blkdev_zone_reset_all_emulated(struct block_device *bdev,  in blkdev_zone_reset_all_emulated()  argument
189 	struct gendisk *disk = bdev->bd_disk;  in blkdev_zone_reset_all_emulated()
190 	sector_t capacity = bdev_nr_sectors(bdev);  in blkdev_zone_reset_all_emulated()
191 	sector_t zone_sectors = bdev_zone_sectors(bdev);  in blkdev_zone_reset_all_emulated()
213 		bio = blk_next_bio(bio, bdev, 0, REQ_OP_ZONE_RESET | REQ_SYNC,  in blkdev_zone_reset_all_emulated()
232 static int blkdev_zone_reset_all(struct block_device *bdev, gfp_t gfp_mask)  in blkdev_zone_reset_all()  argument
236 	bio_init(&bio, bdev, NULL, 0, REQ_OP_ZONE_RESET_ALL | REQ_SYNC);  in blkdev_zone_reset_all()
256 int blkdev_zone_mgmt(struct block_device *bdev, enum req_op op,  in blkdev_zone_mgmt()  argument
259 	struct request_queue *q = bdev_get_queue(bdev);  in blkdev_zone_mgmt()
260 	sector_t zone_sectors = bdev_zone_sectors(bdev);  in blkdev_zone_mgmt()
261 	sector_t capacity = bdev_nr_sectors(bdev);  in blkdev_zone_mgmt()
266 	if (!bdev_is_zoned(bdev))  in blkdev_zone_mgmt()
269 	if (bdev_read_only(bdev))  in blkdev_zone_mgmt()
294 			return blkdev_zone_reset_all_emulated(bdev, gfp_mask);  in blkdev_zone_mgmt()
295 		return blkdev_zone_reset_all(bdev, gfp_mask);  in blkdev_zone_mgmt()
299 		bio = blk_next_bio(bio, bdev, 0, op | REQ_SYNC, gfp_mask);  in blkdev_zone_mgmt()
332 int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode,  in blkdev_report_zones_ioctl()  argument
344 	q = bdev_get_queue(bdev);  in blkdev_report_zones_ioctl()
348 	if (!bdev_is_zoned(bdev))  in blkdev_report_zones_ioctl()
358 	ret = blkdev_report_zones(bdev, rep.sector, rep.nr_zones,  in blkdev_report_zones_ioctl()
370 static int blkdev_truncate_zone_range(struct block_device *bdev, fmode_t mode,  in blkdev_truncate_zone_range()  argument
376 	    zrange->sector + zrange->nr_sectors > get_capacity(bdev->bd_disk))  in blkdev_truncate_zone_range()
383 	return truncate_bdev_range(bdev, mode, start, end);  in blkdev_truncate_zone_range()
390 int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode,  in blkdev_zone_mgmt_ioctl()  argument
402 	q = bdev_get_queue(bdev);  in blkdev_zone_mgmt_ioctl()
406 	if (!bdev_is_zoned(bdev))  in blkdev_zone_mgmt_ioctl()
420 		filemap_invalidate_lock(bdev->bd_inode->i_mapping);  in blkdev_zone_mgmt_ioctl()
421 		ret = blkdev_truncate_zone_range(bdev, mode, &zrange);  in blkdev_zone_mgmt_ioctl()
438 	ret = blkdev_zone_mgmt(bdev, op, zrange.sector, zrange.nr_sectors,  in blkdev_zone_mgmt_ioctl()
443 		filemap_invalidate_unlock(bdev->bd_inode->i_mapping);  in blkdev_zone_mgmt_ioctl()