397 	struct iov_iter iter;  in new_sync_read()  local
402 	iov_iter_init(&iter, READ, &iov, 1, len);  in new_sync_read()
404 	ret = call_read_iter(filp, &kiocb, &iter);  in new_sync_read()
426 	struct iov_iter iter;  in __kernel_read()  local
442 	iov_iter_kvec(&iter, READ, &iov, 1, iov.iov_len);  in __kernel_read()
443 	ret = file->f_op->read_iter(&kiocb, &iter);  in __kernel_read()
500 	struct iov_iter iter;  in new_sync_write()  local
505 	iov_iter_init(&iter, WRITE, &iov, 1, len);  in new_sync_write()
507 	ret = call_write_iter(filp, &kiocb, &iter);  in new_sync_write()
522 	struct iov_iter iter;  in __kernel_write()  local
538 	iov_iter_kvec(&iter, WRITE, &iov, 1, iov.iov_len);  in __kernel_write()
539 	ret = file->f_op->write_iter(&kiocb, &iter);  in __kernel_write()
714 static ssize_t do_iter_readv_writev(struct file *filp, struct iov_iter *iter,  in do_iter_readv_writev()  argument
727 		ret = call_read_iter(filp, &kiocb, iter);  in do_iter_readv_writev()
729 		ret = call_write_iter(filp, &kiocb, iter);  in do_iter_readv_writev()
737 static ssize_t do_loop_readv_writev(struct file *filp, struct iov_iter *iter,  in do_loop_readv_writev()  argument
745 	while (iov_iter_count(iter)) {  in do_loop_readv_writev()
746 		struct iovec iovec = iov_iter_iovec(iter);  in do_loop_readv_writev()
765 		iov_iter_advance(iter, nr);  in do_loop_readv_writev()
771 static ssize_t do_iter_read(struct file *file, struct iov_iter *iter,  in do_iter_read()  argument
782 	tot_len = iov_iter_count(iter);  in do_iter_read()
790 		ret = do_iter_readv_writev(file, iter, pos, READ, flags);  in do_iter_read()
792 		ret = do_loop_readv_writev(file, iter, pos, READ, flags);  in do_iter_read()
800 			   struct iov_iter *iter)  in vfs_iocb_iter_read()  argument
812 	tot_len = iov_iter_count(iter);  in vfs_iocb_iter_read()
819 	ret = call_read_iter(file, iocb, iter);  in vfs_iocb_iter_read()
827 ssize_t vfs_iter_read(struct file *file, struct iov_iter *iter, loff_t *ppos,  in vfs_iter_read()  argument
832 	return do_iter_read(file, iter, ppos, flags);  in vfs_iter_read()
836 static ssize_t do_iter_write(struct file *file, struct iov_iter *iter,  in do_iter_write()  argument
847 	tot_len = iov_iter_count(iter);  in do_iter_write()
855 		ret = do_iter_readv_writev(file, iter, pos, WRITE, flags);  in do_iter_write()
857 		ret = do_loop_readv_writev(file, iter, pos, WRITE, flags);  in do_iter_write()
864 			    struct iov_iter *iter)  in vfs_iocb_iter_write()  argument
876 	tot_len = iov_iter_count(iter);  in vfs_iocb_iter_write()
883 	ret = call_write_iter(file, iocb, iter);  in vfs_iocb_iter_write()
891 ssize_t vfs_iter_write(struct file *file, struct iov_iter *iter, loff_t *ppos,  in vfs_iter_write()  argument
896 	return do_iter_write(file, iter, ppos, flags);  in vfs_iter_write()
905 	struct iov_iter iter;  in vfs_readv()  local
908 	ret = import_iovec(READ, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);  in vfs_readv()
910 		ret = do_iter_read(file, &iter, pos, flags);  in vfs_readv()
922 	struct iov_iter iter;  in vfs_writev()  local
925 	ret = import_iovec(WRITE, vec, vlen, ARRAY_SIZE(iovstack), &iov, &iter);  in vfs_writev()
928 		ret = do_iter_write(file, &iter, pos, flags);  in vfs_writev()