diff options
Diffstat (limited to 'drivers/md/Kconfig')
-rw-r--r-- | drivers/md/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 7cdf359d6b2..1a4fbcdb5ca 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -268,6 +268,19 @@ config DM_DEBUG_BLOCK_STACK_TRACING If unsure, say N. +config DM_CACHE + tristate "Cache target (EXPERIMENTAL)" + depends on BLK_DEV_DM + default n + select DM_PERSISTENT_DATA + select DM_BIO_PRISON + ---help--- + dm-cache attempts to improve performance of a block device by + moving frequently used data to a smaller, higher performance + device. Different 'policy' plugins can be used to change the + algorithms used to select which blocks are promoted, demoted, + cleaned etc. It supports writeback and writethrough modes. + config DM_MIRROR tristate "Mirror target" depends on BLK_DEV_DM |