diff options
Diffstat (limited to 'drivers/md/persistent-data/Kconfig')
| -rw-r--r-- | drivers/md/persistent-data/Kconfig | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/md/persistent-data/Kconfig b/drivers/md/persistent-data/Kconfig new file mode 100644 index 000000000..78c74bb71 --- /dev/null +++ b/drivers/md/persistent-data/Kconfig @@ -0,0 +1,18 @@ +config DM_PERSISTENT_DATA + tristate + depends on BLK_DEV_DM + select LIBCRC32C + select DM_BUFIO + ---help--- + Library providing immutable on-disk data structure support for + device-mapper targets such as the thin provisioning target. + +config DM_DEBUG_BLOCK_STACK_TRACING + bool "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 and caching. + + If unsure, say N. |