[linux-2.6-block.git] / drivers / md / persistent-data / Kconfig

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
       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.
Commit	Line	Data
3241b1d3 JT	1	config DM_PERSISTENT_DATA
3241b1d3 JT	2	tristate
88ae4c52	3	depends on BLK_DEV_DM
3241b1d3 JT	4	select LIBCRC32C
	5	select DM_BUFIO
	6	---help---
	7	Library providing immutable on-disk data structure support for
	8	device-mapper targets such as the thin provisioning target.
c64d240d MS	9
	10	config DM_DEBUG_BLOCK_STACK_TRACING
	11	boolean "Keep stack trace of persistent data block lock holders"
	12	depends on STACKTRACE_SUPPORT && DM_PERSISTENT_DATA
	13	select STACKTRACE
	14	---help---
	15	Enable this for messages that may help debug problems with the
	16	block manager locking used by thin provisioning and caching.
	17
	18	If unsure, say N.