sys_fcntl 410 fs/compat.c ret = sys_fcntl(fd, cmd, (unsigned long)&f); sys_fcntl 441 fs/compat.c ret = sys_fcntl(fd, (cmd == F_GETLK64) ? F_GETLK : sys_fcntl 457 fs/compat.c ret = sys_fcntl(fd, cmd, arg); sys_fcntl 301 include/linux/syscalls.h asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);