883 				     struct extent_map *em)  in btrfs_extent_item_to_extent_map()  argument
894 	em->bdev = root->fs_info->fs_devices->latest_bdev;  in btrfs_extent_item_to_extent_map()
908 	em->ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);  in btrfs_extent_item_to_extent_map()
911 		em->start = extent_start;  in btrfs_extent_item_to_extent_map()
912 		em->len = extent_end - extent_start;  in btrfs_extent_item_to_extent_map()
913 		em->orig_start = extent_start -  in btrfs_extent_item_to_extent_map()
915 		em->orig_block_len = btrfs_file_extent_disk_num_bytes(leaf, fi);  in btrfs_extent_item_to_extent_map()
918 			em->block_start = EXTENT_MAP_HOLE;  in btrfs_extent_item_to_extent_map()
922 			set_bit(EXTENT_FLAG_COMPRESSED, &em->flags);  in btrfs_extent_item_to_extent_map()
923 			em->compress_type = compress_type;  in btrfs_extent_item_to_extent_map()
924 			em->block_start = bytenr;  in btrfs_extent_item_to_extent_map()
925 			em->block_len = em->orig_block_len;  in btrfs_extent_item_to_extent_map()
928 			em->block_start = bytenr;  in btrfs_extent_item_to_extent_map()
929 			em->block_len = em->len;  in btrfs_extent_item_to_extent_map()
931 				set_bit(EXTENT_FLAG_PREALLOC, &em->flags);  in btrfs_extent_item_to_extent_map()
934 		em->block_start = EXTENT_MAP_INLINE;  in btrfs_extent_item_to_extent_map()
935 		em->start = extent_start;  in btrfs_extent_item_to_extent_map()
936 		em->len = extent_end - extent_start;  in btrfs_extent_item_to_extent_map()
941 		em->orig_start = EXTENT_MAP_HOLE;  in btrfs_extent_item_to_extent_map()
942 		em->block_len = (u64)-1;  in btrfs_extent_item_to_extent_map()
944 			set_bit(EXTENT_FLAG_COMPRESSED, &em->flags);  in btrfs_extent_item_to_extent_map()
945 			em->compress_type = compress_type;  in btrfs_extent_item_to_extent_map()