writeback: add lockdep annotation to inode_to_wb()

[firefly-linux-kernel-4.4.55.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index dc24dec6023292ac6f1bd484ce506074d3e53566..d4f763332f9f4a2c2417709194ea60026b37b4db 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1141,6 +1141,11 @@ config DEBUG_BLK_CGROUP
        Enable some debugging help. Currently it exports additional stat
        files in a cgroup which can be useful for debugging.
 
+config CGROUP_WRITEBACK
+       bool
+       depends on MEMCG && BLK_CGROUP
+       default y
+
 endif # CGROUPS
 
 config CHECKPOINT_RESTORE