as a cache, holding recently-read blocks in memory and performing
delayed writes.
+config DM_BIO_PRISON
+ tristate
+ depends on BLK_DEV_DM && EXPERIMENTAL
+ ---help---
+ Some bio locking schemes used by other device-mapper targets
+ including thin provisioning.
+
source "drivers/md/persistent-data/Kconfig"
config DM_CRYPT
tristate "Thin provisioning target (EXPERIMENTAL)"
depends on BLK_DEV_DM && EXPERIMENTAL
select DM_PERSISTENT_DATA
+ select DM_BIO_PRISON
---help---
Provides thin provisioning and snapshots that share a data store.