112 			i->nr_segs -= i->bvec - bvec;		\
122 			i->nr_segs -= kvec - i->kvec;		\
134 			i->nr_segs -= iov - i->iov;		\
242 	i->nr_segs -= iov - i->iov;  in copy_page_to_iter_iovec()
326 	i->nr_segs -= iov - i->iov;  in copy_page_from_iter_iovec()
450 			const struct iovec *iov, unsigned long nr_segs,  in iov_iter_init()  argument
464 	i->nr_segs = nr_segs;  in iov_iter_init()
1135 			i->nr_segs++;  in iov_iter_revert()
1147 			i->nr_segs++;  in iov_iter_revert()
1166 	if (i->nr_segs == 1)  in iov_iter_single_seg_count()
1178 			const struct kvec *kvec, unsigned long nr_segs,  in iov_iter_kvec()  argument
1184 	i->nr_segs = nr_segs;  in iov_iter_kvec()
1191 			const struct bio_vec *bvec, unsigned long nr_segs,  in iov_iter_bvec()  argument
1197 	i->nr_segs = nr_segs;  in iov_iter_bvec()
1654 				    new->nr_segs * sizeof(struct bio_vec),  in dup_iter()
1659 				   new->nr_segs * sizeof(struct iovec),  in dup_iter()
1665 		const struct iovec __user *uvec, unsigned long nr_segs)  in copy_compat_iovec_from_user()  argument
1671 	if (!user_access_begin(uiov, nr_segs * sizeof(*uiov)))  in copy_compat_iovec_from_user()
1674 	for (i = 0; i < nr_segs; i++) {  in copy_compat_iovec_from_user()
1697 		const struct iovec __user *uvec, unsigned long nr_segs)  in copy_iovec_from_user()  argument
1701 	if (copy_from_user(iov, uvec, nr_segs * sizeof(*uvec)))  in copy_iovec_from_user()
1703 	for (seg = 0; seg < nr_segs; seg++) {  in copy_iovec_from_user()
1712 		unsigned long nr_segs, unsigned long fast_segs,  in iovec_from_user()  argument
1723 	if (nr_segs == 0)  in iovec_from_user()
1725 	if (nr_segs > UIO_MAXIOV)  in iovec_from_user()
1727 	if (nr_segs > fast_segs) {  in iovec_from_user()
1728 		iov = kmalloc_array(nr_segs, sizeof(struct iovec), GFP_KERNEL);  in iovec_from_user()
1734 		ret = copy_compat_iovec_from_user(iov, uvec, nr_segs);  in iovec_from_user()
1736 		ret = copy_iovec_from_user(iov, uvec, nr_segs);  in iovec_from_user()
1747 		 unsigned nr_segs, unsigned fast_segs, struct iovec **iovp,  in __import_iovec()  argument
1754 	iov = iovec_from_user(uvec, nr_segs, fast_segs, *iovp, compat);  in __import_iovec()
1768 	for (seg = 0; seg < nr_segs; seg++) {  in __import_iovec()
1785 	iov_iter_init(i, type, iov, nr_segs, total_len);  in __import_iovec()
1816 		 unsigned nr_segs, unsigned fast_segs,  in import_iovec()  argument
1819 	return __import_iovec(type, uvec, nr_segs, fast_segs, iovp, i,  in import_iovec()
1869 		i->bvec -= state->nr_segs - i->nr_segs;  in iov_iter_restore()
1871 		i->iov -= state->nr_segs - i->nr_segs;  in iov_iter_restore()
1872 	i->nr_segs = state->nr_segs;  in iov_iter_restore()