config BLK_DEV_MD
tristate "RAID support"
+ select BLOCK_HOLDER_DEPRECATED if SYSFS
help
This driver lets you combine several hard disk partitions into one
logical block device. This can be used to simply append one
config BLK_DEV_DM
tristate "Device mapper support"
+ select BLOCK_HOLDER_DEPRECATED if SYSFS
select BLK_DEV_DM_BUILTIN
depends on DAX || DAX=n
help
config DM_EBS
tristate "Emulated block size target (EXPERIMENTAL)"
- depends on BLK_DEV_DM
+ depends on BLK_DEV_DM && !HIGHMEM
select DM_BUFIO
help
dm-ebs emulates smaller logical block size on backing devices