diff options
Diffstat (limited to 'drivers/md/Kconfig')
| -rw-r--r-- | drivers/md/Kconfig | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index f2ccbc3b9fe..9a06fe88376 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -176,8 +176,12 @@ config MD_FAULTY source "drivers/md/bcache/Kconfig" +config BLK_DEV_DM_BUILTIN + boolean + config BLK_DEV_DM tristate "Device mapper support" + select BLK_DEV_DM_BUILTIN ---help--- Device-mapper is a low level volume manager. It works by allowing people to specify mappings for ranges of logical sectors. Various @@ -238,6 +242,7 @@ config DM_CRYPT config DM_SNAPSHOT tristate "Snapshot target" depends on BLK_DEV_DM + select DM_BUFIO ---help--- Allow volume managers to take writable snapshots of a device. @@ -250,12 +255,12 @@ config DM_THIN_PROVISIONING Provides thin provisioning and snapshots that share a data store. config DM_DEBUG_BLOCK_STACK_TRACING - boolean "Keep stack trace of thin provisioning block lock holders" - depends on STACKTRACE_SUPPORT && DM_THIN_PROVISIONING + boolean "Keep stack trace of persistent data block lock holders" + depends on STACKTRACE_SUPPORT && DM_PERSISTENT_DATA select STACKTRACE ---help--- Enable this for messages that may help debug problems with the - block manager locking used by thin provisioning. + block manager locking used by thin provisioning and caching. If unsure, say N. |