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author | Dave Airlie <airlied@redhat.com> | 2014-03-18 19:12:31 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2014-03-18 19:12:31 +1000 |
commit | bcc298bc924e0a990f853ba3e19f8b5a833cba7e (patch) | |
tree | 1c87c8f73dc41fd11ee3dacb1b91a7cc8b4798bb /drivers/md/persistent-data/Kconfig | |
parent | 978c6050165bba52eab7ef3581d447eb215def77 (diff) | |
parent | dcb99fd9b08cfe1afe426af4d8d3cbc429190f15 (diff) | |
download | linux-bcc298bc924e0a990f853ba3e19f8b5a833cba7e.tar.gz |
Merge tag 'v3.14-rc7' into drm-next
Linux 3.14-rc7
Backmerge to help out Intel guys.
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. |