ioctl_preallocate  501 fs/compat_ioctl.c 	return ioctl_preallocate(file, p);
ioctl_preallocate 1030 fs/compat_ioctl.c 		error = ioctl_preallocate(f.file, compat_ptr(arg));
ioctl_preallocate  507 fs/ioctl.c     		return ioctl_preallocate(filp, p);
ioctl_preallocate 2558 include/linux/fs.h extern int ioctl_preallocate(struct file *filp, void __user *argp);