#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