1# SPDX-License-Identifier: GPL-2.0-only 2 3config DM_VDO 4 tristate "VDO: deduplication and compression target" 5 depends on 64BIT 6 depends on BLK_DEV_DM 7 select DM_BUFIO 8 select LZ4_COMPRESS 9 select LZ4_DECOMPRESS 10 help 11 This device mapper target presents a block device with 12 deduplication, compression and thin-provisioning. 13 14 To compile this code as a module, choose M here: the module will 15 be called dm-vdo. 16 17 If unsure, say N. 18