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Diffstat (limited to 'drivers/md/persistent-data/Kconfig')
| -rw-r--r-- | drivers/md/persistent-data/Kconfig | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/md/persistent-data/Kconfig b/drivers/md/persistent-data/Kconfig index ceb359050a5..0c2dec7aec2 100644 --- a/drivers/md/persistent-data/Kconfig +++ b/drivers/md/persistent-data/Kconfig @@ -1,8 +1,18 @@ config DM_PERSISTENT_DATA tristate - depends on BLK_DEV_DM && EXPERIMENTAL + 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 + 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 and caching. + + If unsure, say N. |