1117 			   struct iotlb_vec *ivec, u32 perm)  in iotlb_translate()  argument
1131 		if (unlikely(ret >= ivec->count)) {  in iotlb_translate()
1150 			struct iovec *iovec = ivec->iov.iovec;  in iotlb_translate()
1156 			struct bio_vec *bvec = ivec->iov.bvec;  in iotlb_translate()
1180 	struct iotlb_vec ivec;  in copy_from_iotlb()  local
1187 	ivec.iov.iovec = iov.iovec;  in copy_from_iotlb()
1188 	ivec.count = IOTLB_IOV_STRIDE;  in copy_from_iotlb()
1197 				      &ivec, VHOST_MAP_RO);  in copy_from_iotlb()
1204 			iov_iter_init(&iter, ITER_SOURCE, ivec.iov.iovec, ret,  in copy_from_iotlb()
1207 			iov_iter_bvec(&iter, ITER_SOURCE, ivec.iov.bvec, ret,  in copy_from_iotlb()
1226 	struct iotlb_vec ivec;  in copy_to_iotlb()  local
1233 	ivec.iov.iovec = iov.iovec;  in copy_to_iotlb()
1234 	ivec.count = IOTLB_IOV_STRIDE;  in copy_to_iotlb()
1243 				      &ivec, VHOST_MAP_WO);  in copy_to_iotlb()
1250 			iov_iter_init(&iter, ITER_DEST, ivec.iov.iovec, ret,  in copy_to_iotlb()
1253 			iov_iter_bvec(&iter, ITER_DEST, ivec.iov.bvec, ret,  in copy_to_iotlb()
1272 	struct iotlb_vec ivec;  in getu16_iotlb()  local
1280 	ivec.iov.iovec = iov.iovec;  in getu16_iotlb()
1281 	ivec.count = 1;  in getu16_iotlb()
1285 			      NULL, &ivec, VHOST_MAP_RO);  in getu16_iotlb()
1290 		ret = __get_user(tmp, (__virtio16 __user *)ivec.iov.iovec[0].iov_base);  in getu16_iotlb()
1294 		void *kaddr = kmap_local_page(ivec.iov.bvec[0].bv_page);  in getu16_iotlb()
1295 		void *from = kaddr + ivec.iov.bvec[0].bv_offset;  in getu16_iotlb()
1309 	struct iotlb_vec ivec;  in putu16_iotlb()  local
1317 	ivec.iov.iovec = &iov.iovec;  in putu16_iotlb()
1318 	ivec.count = 1;  in putu16_iotlb()
1322 			      NULL, &ivec, VHOST_MAP_RO);  in putu16_iotlb()
1329 		ret = __put_user(tmp, (__virtio16 __user *)ivec.iov.iovec[0].iov_base);  in putu16_iotlb()
1333 		void *kaddr = kmap_local_page(ivec.iov.bvec[0].bv_page);  in putu16_iotlb()
1334 		void *to = kaddr + ivec.iov.bvec[0].bv_offset;  in putu16_iotlb()