3  * Simple file system for zoned block devices exposing zones as files.
44 	 * For zones that transitioned to the offline or readonly condition,  in zonefs_account_active()
82 	 * open operation on other zones if the drive active zone resources  in zonefs_zone_mgmt()
169 	 * Sequential zones can only accept direct writes. This is already  in zonefs_write_iomap_begin()
178 	 * For conventional zones, all blocks are always mapped. For sequential  in zonefs_write_iomap_begin()
179 	 * zones, all blocks after always mapped below the inode size (zone  in zonefs_write_iomap_begin()
314  * offline and readonly zones. Return the inode size corresponding to the
339 		 * The write pointer of read-only zones is invalid. If such a  in zonefs_check_zone_condition()
361 		/* The write pointer of full zones is invalid. */  in zonefs_check_zone_condition()
422 	 * First handle bad zones signaled by hardware. The mount options  in zonefs_io_error_cb()
501 	 * files with aggregated conventional zones, for which the inode zone  in __zonefs_io_error()
513 	 * may prevent IO forward progress. Executing the report zones under  in __zonefs_io_error()
574 	 * take care of open zones.  in zonefs_file_truncate()
710 	 * Conventional zones accept random writes, so their files can support  in zonefs_file_mmap()
730 	 * Seeks are limited to below the zone size for conventional zones  in zonefs_file_llseek()
731 	 * and below the zone write pointer for sequential zones. In both  in zonefs_file_llseek()
931 	/* Enforce sequential writes (append only) in sequential zones */  in zonefs_file_dio_write()
1055 	/* Offline zones cannot be read */  in zonefs_file_read_iter()
1196 			 * Leaving zones explicitly open may lead to a state  in zonefs_seq_file_write_close()
1197 			 * where most zones cannot be written (zone resources  in zonefs_seq_file_write_close()
1458 	 * For sequential zones, make sure that any open zone is closed first  in zonefs_init_file_inode()
1459 	 * to ensure that the initial number of open zones is 0, in sync with  in zonefs_init_file_inode()
1521 	struct blk_zone		*zones;  member
1561 	end = zd->zones + bdev_nr_zones(sb->s_bdev);  in zonefs_create_zgroup()
1562 	for (zone = &zd->zones[1]; zone < end; zone = next) {  in zonefs_create_zgroup()
1569 		 * For conventional zones, contiguous zones can be aggregated  in zonefs_create_zgroup()
1571 		 * length of the first zone of the set of contiguous zones  in zonefs_create_zgroup()
1573 		 * found, assume that all zones aggregated have the same  in zonefs_create_zgroup()
1627 	 * Count the number of usable zones: the first zone at index 0 contains  in zonefs_get_zone_info_cb()
1647 	memcpy(&zd->zones[idx], zone, sizeof(struct blk_zone));  in zonefs_get_zone_info_cb()
1657 	zd->zones = kvcalloc(bdev_nr_zones(bdev), sizeof(struct blk_zone),  in zonefs_get_zone_info()
1659 	if (!zd->zones)  in zonefs_get_zone_info()
1662 	/* Get zones information from the device */  in zonefs_get_zone_info()
1671 		zonefs_err(zd->sb, "Invalid zone report (%d/%u zones)\n",  in zonefs_get_zone_info()
1681 	kvfree(zd->zones);  in zonefs_cleanup_zone_info()
1767  * Check that the device is zoned. If it is, get the list of zones and create
1836 	zonefs_info(sb, "Mounting %u zones", bdev_nr_zones(sb->s_bdev));  in zonefs_fill_super()