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- 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.
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