-static ssize_t aio_rw_vect_retry(struct kiocb *iocb, int rw, aio_rw_op *rw_op)
-{
- struct file *file = iocb->ki_filp;
- struct address_space *mapping = file->f_mapping;
- struct inode *inode = mapping->host;
- ssize_t ret = 0;
-
- /* This matches the pread()/pwrite() logic */
- if (iocb->ki_pos < 0)
- return -EINVAL;
-
- if (rw == WRITE)
- file_start_write(file);
- do {
- ret = rw_op(iocb, &iocb->ki_iovec[iocb->ki_cur_seg],
- iocb->ki_nr_segs - iocb->ki_cur_seg,
- iocb->ki_pos);
- if (ret > 0)
- aio_advance_iovec(iocb, ret);
-
- /* retry all partial writes. retry partial reads as long as its a
- * regular file. */
- } while (ret > 0 && iocb->ki_left > 0 &&
- (rw == WRITE ||
- (!S_ISFIFO(inode->i_mode) && !S_ISSOCK(inode->i_mode))));
- if (rw == WRITE)
- file_end_write(file);
-
- /* This means we must have transferred all that we could */
- /* No need to retry anymore */
- if ((ret == 0) || (iocb->ki_left == 0))
- ret = iocb->ki_nbytes - iocb->ki_left;
-
- /* If we managed to write some out we return that, rather than
- * the eventual error. */
- if (rw == WRITE
- && ret < 0 && ret != -EIOCBQUEUED
- && iocb->ki_nbytes - iocb->ki_left)
- ret = iocb->ki_nbytes - iocb->ki_left;
-
- return ret;
-}
-
-static ssize_t aio_setup_vectored_rw(int rw, struct kiocb *kiocb, bool compat)
+static ssize_t aio_setup_vectored_rw(struct kiocb *kiocb,
+ int rw, char __user *buf,
+ unsigned long *nr_segs,
+ struct iovec **iovec,
+ bool compat)