Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / md / persistent-data / Kconfig

diff --git a/kernel/drivers/md/persistent-data/Kconfig b/kernel/drivers/md/persistent-data/Kconfig
new file mode 100644 (file)
index 0000000..78c74bb
--- /dev/null
+++ b/kernel/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.