[PATCH] block: make CONFIG_BLK_CGROUP visible

[Li Zefan]

Make the config visible, so we can choose from CONFIG_BLK_CGROUP=y
and CONFIG_BLK_CGROUP=m when CONFIG_IOSCHED_CFQ=m.

Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
---
 block/Kconfig |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/block/Kconfig b/block/Kconfig
index 62a5921..906950c 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -78,8 +78,9 @@ config BLK_DEV_INTEGRITY
 	Protection.  If in doubt, say N.
 
 config BLK_CGROUP
-	tristate
+	tristate "Block cgroup support"
 	depends on CGROUPS
+	depends on CFQ_GROUP_IOSCHED
 	default n
 	---help---
 	Generic block IO controller cgroup interface. This is the common
@@ -91,7 +92,7 @@ config BLK_CGROUP
 	to such task groups.
 
 config DEBUG_BLK_CGROUP
-	bool
+	bool "Block cgroup debugging help"
 	depends on BLK_CGROUP
 	default n
 	---help---
-- 
1.6.3

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