fs/namei.c:672:8: error: call to undeclared function 'inode_state_read'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
fs/namei.c:673:3: error: member reference type 'struct rw_semaphore' is not a pointer; did you mean to use '.'?
fs/namei.c:673:3: error: cannot take the address of an rvalue of type 'struct lockdep_map'