108 unsigned int bdev_nr_zones(struct block_device *bdev)  in bdev_nr_zones()  argument
110 	sector_t zone_sectors = bdev_zone_sectors(bdev);  in bdev_nr_zones()
112 	if (!bdev_is_zoned(bdev))  in bdev_nr_zones()
114 	return (bdev_nr_sectors(bdev) + zone_sectors - 1) >>  in bdev_nr_zones()
138 int blkdev_report_zones(struct block_device *bdev, sector_t sector,  in blkdev_report_zones()  argument
141 	struct gendisk *disk = bdev->bd_disk;  in blkdev_report_zones()
144 	if (!bdev_is_zoned(bdev) || WARN_ON_ONCE(!disk->fops->report_zones))  in blkdev_report_zones()
180 static int blkdev_zone_reset_all_emulated(struct block_device *bdev,  in blkdev_zone_reset_all_emulated()  argument
183 	struct gendisk *disk = bdev->bd_disk;  in blkdev_zone_reset_all_emulated()
184 	sector_t capacity = bdev_nr_sectors(bdev);  in blkdev_zone_reset_all_emulated()
185 	sector_t zone_sectors = bdev_zone_sectors(bdev);  in blkdev_zone_reset_all_emulated()
207 		bio = blk_next_bio(bio, bdev, 0, REQ_OP_ZONE_RESET | REQ_SYNC,  in blkdev_zone_reset_all_emulated()
226 static int blkdev_zone_reset_all(struct block_device *bdev, gfp_t gfp_mask)  in blkdev_zone_reset_all()  argument
230 	bio_init(&bio, bdev, NULL, 0, REQ_OP_ZONE_RESET_ALL | REQ_SYNC);  in blkdev_zone_reset_all()
250 int blkdev_zone_mgmt(struct block_device *bdev, enum req_op op,  in blkdev_zone_mgmt()  argument
253 	struct request_queue *q = bdev_get_queue(bdev);  in blkdev_zone_mgmt()
254 	sector_t zone_sectors = bdev_zone_sectors(bdev);  in blkdev_zone_mgmt()
255 	sector_t capacity = bdev_nr_sectors(bdev);  in blkdev_zone_mgmt()
260 	if (!bdev_is_zoned(bdev))  in blkdev_zone_mgmt()
263 	if (bdev_read_only(bdev))  in blkdev_zone_mgmt()
274 	if (!bdev_is_zone_start(bdev, sector))  in blkdev_zone_mgmt()
277 	if (!bdev_is_zone_start(bdev, nr_sectors) && end_sector != capacity)  in blkdev_zone_mgmt()
288 			return blkdev_zone_reset_all_emulated(bdev, gfp_mask);  in blkdev_zone_mgmt()
289 		return blkdev_zone_reset_all(bdev, gfp_mask);  in blkdev_zone_mgmt()
293 		bio = blk_next_bio(bio, bdev, 0, op | REQ_SYNC, gfp_mask);  in blkdev_zone_mgmt()
326 int blkdev_report_zones_ioctl(struct block_device *bdev, unsigned int cmd,  in blkdev_report_zones_ioctl()  argument
337 	if (!bdev_is_zoned(bdev))  in blkdev_report_zones_ioctl()
347 	ret = blkdev_report_zones(bdev, rep.sector, rep.nr_zones,  in blkdev_report_zones_ioctl()
359 static int blkdev_truncate_zone_range(struct block_device *bdev,  in blkdev_truncate_zone_range()  argument
365 	    zrange->sector + zrange->nr_sectors > get_capacity(bdev->bd_disk))  in blkdev_truncate_zone_range()
372 	return truncate_bdev_range(bdev, mode, start, end);  in blkdev_truncate_zone_range()
379 int blkdev_zone_mgmt_ioctl(struct block_device *bdev, blk_mode_t mode,  in blkdev_zone_mgmt_ioctl()  argument
390 	if (!bdev_is_zoned(bdev))  in blkdev_zone_mgmt_ioctl()
404 		filemap_invalidate_lock(bdev->bd_inode->i_mapping);  in blkdev_zone_mgmt_ioctl()
405 		ret = blkdev_truncate_zone_range(bdev, mode, &zrange);  in blkdev_zone_mgmt_ioctl()
422 	ret = blkdev_zone_mgmt(bdev, op, zrange.sector, zrange.nr_sectors,  in blkdev_zone_mgmt_ioctl()
427 		filemap_invalidate_unlock(bdev->bd_inode->i_mapping);  in blkdev_zone_mgmt_ioctl()