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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-06-08 10:24:07 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-06-08 10:24:07 +0400 |
| commit | a292241cccb7e20e8b997a9a44177e7c98141859 (patch) | |
| tree | a0b0bb95e7dce3233a2d8b203f9e326cdec7a00e /drivers/md/persistent-data/Kconfig | |
| parent | d49cb7aeebb974713f9f7ab2991352d3050b095b (diff) | |
| parent | 68807a0c2015cb40df4869e16651f0ce5cc14d52 (diff) | |
| download | linux-a292241cccb7e20e8b997a9a44177e7c98141859.tar.xz | |
Merge branch 'next' into for-linus
Prepare input updates for 3.16.
Diffstat (limited to 'drivers/md/persistent-data/Kconfig')
| -rw-r--r-- | drivers/md/persistent-data/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/md/persistent-data/Kconfig b/drivers/md/persistent-data/Kconfig index 19b268795415..0c2dec7aec20 100644 --- a/drivers/md/persistent-data/Kconfig +++ b/drivers/md/persistent-data/Kconfig @@ -6,3 +6,13 @@ config DM_PERSISTENT_DATA ---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. |