1 files changed, 1 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig
index a7e40a7c821..4a85ccf8d4c 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -4,6 +4,7 @@
 menuconfig BLOCK
        bool "Enable the block layer" if EXPERT
        default y
+       select PERCPU_RWSEM
        help
 	 Provide block layer support for the kernel.