1655 		const struct iovec __user *uvec, unsigned long nr_segs)  in copy_compat_iovec_from_user()  argument
1658 		(const struct compat_iovec __user *)uvec;  in copy_compat_iovec_from_user()
1661 	if (!user_access_begin(uvec, nr_segs * sizeof(*uvec)))  in copy_compat_iovec_from_user()
1687 		const struct iovec __user *uvec, unsigned long nr_segs)  in copy_iovec_from_user()  argument
1691 	if (copy_from_user(iov, uvec, nr_segs * sizeof(*uvec)))  in copy_iovec_from_user()
1701 struct iovec *iovec_from_user(const struct iovec __user *uvec,  in iovec_from_user()  argument
1724 		ret = copy_compat_iovec_from_user(iov, uvec, nr_segs);  in iovec_from_user()
1726 		ret = copy_iovec_from_user(iov, uvec, nr_segs);  in iovec_from_user()
1736 ssize_t __import_iovec(int type, const struct iovec __user *uvec,  in __import_iovec()  argument
1744 	iov = iovec_from_user(uvec, nr_segs, fast_segs, *iovp, compat);  in __import_iovec()
1805 ssize_t import_iovec(int type, const struct iovec __user *uvec,  in import_iovec()  argument
1809 	return __import_iovec(type, uvec, nr_segs, fast_segs, iovp, i,  in import_iovec()