| Joe Thornber | 3241b1d | 2011-10-31 20:19:11 +0000 | [diff] [blame] | 1 | config DM_PERSISTENT_DATA |
| 2 | tristate |
| Kees Cook | 88ae4c5 | 2013-03-01 22:45:46 +0000 | [diff] [blame] | 3 | depends on BLK_DEV_DM |
| Joe Thornber | 3241b1d | 2011-10-31 20:19:11 +0000 | [diff] [blame] | 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. |
| Mike Snitzer | c64d240 | 2014-03-03 10:57:56 -0500 | [diff] [blame] | 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. |