108  * bdev_nr_zones - Get number of zones
111  * Return the total number of zones of a zoned block device.  For a block
112  * device without zone capabilities, the number of zones is always 0.
126  * blkdev_report_zones - Get zones information
128  * @sector:	Sector from which to report zones
129  * @nr_zones:	Maximum number of zones to report
136  *    To report all zones in a device starting from @sector, the BLK_ALL_ZONES
138  *    Returns the number of zones reported by the device, or a negative errno
171 	 * For an all-zones reset, ignore conventional, empty, read-only  in blk_zone_need_reset_cb()
172 	 * and offline zones.  in blk_zone_need_reset_cb()
241  * blkdev_zone_mgmt - Execute a zone management operation on a range of zones
243  * @op:		Operation to be performed on the zones
250  *    Perform the specified operation on the range of zones specified by
252  *    is valid, but the specified range should not contain conventional zones.
287 	 * In the case of a zone reset operation over all zones,  in blkdev_zone_mgmt()
290 	 * identifying the zones needing a reset.  in blkdev_zone_mgmt()
315 	struct blk_zone __user *zones;  member
323 	if (copy_to_user(&args->zones[idx], zone, sizeof(struct blk_zone)))  in blkdev_copy_zone_to_user()
357 	args.zones = argp + sizeof(struct blk_zone_report);  in blkdev_report_zones_ioctl()
466  * Helper function to check the validity of zones of a zoned block device.
477 	 * All zones must have the same size, with the exception on an eventual  in blk_revalidate_zone_cb()
551  * executed with the device request queue frozen after all zones have been
580 		pr_warn("%s: No zones reported\n", disk->disk_name);  in blk_revalidate_disk_zones()
586 	 * If zones where reported, make sure that the entire disk capacity  in blk_revalidate_disk_zones()
590 		pr_warn("%s: Missing zones from sector %llu\n",  in blk_revalidate_disk_zones()
610 		pr_warn("%s: failed to revalidate zones\n", disk->disk_name);  in blk_revalidate_disk_zones()