mcast: add multicast proxy support (IPv4 and IPv6)

[~andy/linux] / block / Kconfig

diff --git a/block/Kconfig b/block/Kconfig
index a7e40a7c821427cd27f6c7019411030ea00e33e8..4a85ccf8d4cfca02daab96709e35cc14a92a35b5 100644 (file)
--- 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.