sparc64: Use kstack_valid() in die_if_kernel().
[safe/jmp/linux-2.6] / block / Kconfig
index 6ba1a8e..62a5921 100644 (file)
@@ -78,7 +78,7 @@ config BLK_DEV_INTEGRITY
        Protection.  If in doubt, say N.
 
 config BLK_CGROUP
-       bool
+       tristate
        depends on CGROUPS
        default n
        ---help---
@@ -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