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percpu_rw_semaphore: introduce CONFIG_PERCPU_RWSEM
[firefly-linux-kernel-4.4.55.git]
/
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.