item_start_offset  163 fs/btrfs/file-item.c 	u64 item_start_offset = 0;
item_start_offset  223 fs/btrfs/file-item.c 		if (!item || disk_bytenr < item_start_offset ||
item_start_offset  252 fs/btrfs/file-item.c 			item_start_offset = found_key.offset;
item_start_offset  255 fs/btrfs/file-item.c 			item_last_offset = item_start_offset +
item_start_offset  265 fs/btrfs/file-item.c 		diff = disk_bytenr - item_start_offset;