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-rw-r--r--block/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 6ba1a8e..e20fbde 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -90,6 +90,15 @@ config BLK_CGROUP
control disk bandwidth allocation (proportional time slice allocation)
to such task groups.
+config DEBUG_BLK_CGROUP
+ bool
+ depends on BLK_CGROUP
+ default n
+ ---help---
+ Enable some debugging help. Currently it stores the cgroup path
+ in the blk group which can be used by cfq for tracing various
+ group related activity.
+
endif # BLOCK
config BLOCK_COMPAT