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-rw-r--r--include/linux/device_cgroup.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/device_cgroup.h b/include/linux/device_cgroup.h
new file mode 100644
index 000000000000..0b0d9c39ed67
--- /dev/null
+++ b/include/linux/device_cgroup.h
@@ -0,0 +1,12 @@
+#include <linux/module.h>
+#include <linux/fs.h>
+
+#ifdef CONFIG_CGROUP_DEVICE
+extern int devcgroup_inode_permission(struct inode *inode, int mask);
+extern int devcgroup_inode_mknod(int mode, dev_t dev);
+#else
+static inline int devcgroup_inode_permission(struct inode *inode, int mask)
+{ return 0; }
+static inline int devcgroup_inode_mknod(int mode, dev_t dev)
+{ return 0; }
+#endif