3  * Simple file system for zoned block devices exposing zones as files.
73 	 * Sequential zones can only accept direct writes. This is already  in zonefs_iomap_begin()
82 	 * For conventional zones, all blocks are always mapped. For sequential  in zonefs_iomap_begin()
83 	 * zones, all blocks after always mapped below the inode size (zone  in zonefs_iomap_begin()
210  * offline and readonly zones. Return the inode size corresponding to the
234 		 * The write pointer of read-only zones is invalid. If such a  in zonefs_check_zone_condition()
312 	 * First handle bad zones signaled by hardware. The mount options  in zonefs_io_error_cb()
394 	 * may prevent IO forward progress. Executing the report zones under  in __zonefs_io_error()
455 	 * take care of open zones.  in zonefs_file_truncate()
601 	 * Conventional zones accept random writes, so their files can support  in zonefs_file_mmap()
621 	 * Seeks are limited to below the zone size for conventional zones  in zonefs_file_llseek()
622 	 * and below the zone write pointer for sequential zones. In both  in zonefs_file_llseek()
767 	/* Enforce sequential writes (append only) in sequential zones */  in zonefs_file_dio_write()
886 	/* Offline zones cannot be read */  in zonefs_file_read_iter()
1020 			 * Leaving zones explicitly open may lead to a state  in zonefs_close_zone()
1021 			 * where most zones cannot be written (zone resources  in zonefs_close_zone()
1300 	struct blk_zone		*zones;  member
1340 	end = zd->zones + blkdev_nr_zones(sb->s_bdev->bd_disk);  in zonefs_create_zgroup()
1341 	for (zone = &zd->zones[1]; zone < end; zone = next) {  in zonefs_create_zgroup()
1348 		 * For conventional zones, contiguous zones can be aggregated  in zonefs_create_zgroup()
1350 		 * length of the first zone of the set of contiguous zones  in zonefs_create_zgroup()
1352 		 * found, assume that all zones aggregated have the same  in zonefs_create_zgroup()
1405 	 * Count the number of usable zones: the first zone at index 0 contains  in zonefs_get_zone_info_cb()
1425 	memcpy(&zd->zones[idx], zone, sizeof(struct blk_zone));  in zonefs_get_zone_info_cb()
1435 	zd->zones = kvcalloc(blkdev_nr_zones(bdev->bd_disk),  in zonefs_get_zone_info()
1437 	if (!zd->zones)  in zonefs_get_zone_info()
1440 	/* Get zones information from the device */  in zonefs_get_zone_info()
1449 		zonefs_err(zd->sb, "Invalid zone report (%d/%u zones)\n",  in zonefs_get_zone_info()
1459 	kvfree(zd->zones);  in zonefs_cleanup_zone_info()
1549  * Check that the device is zoned. If it is, get the list of zones and create
1599 		zonefs_info(sb, "No open zones limit. Ignoring explicit_open mount option\n");  in zonefs_fill_super()
1617 	zonefs_info(sb, "Mounting %u zones",  in zonefs_fill_super()