在 2021/1/26 7:22, Andrew Morton 写道:
On Mon, 25 Jan 2021 11:20:02 +0800 Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> wrote:
We've already set the variable 'i' 's initial value before using it,
thus remove redundant previous assignment of variable 'i'.
...
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2472,7 +2472,6 @@ ssize_t generic_file_buffered_read(struct kiocb *iocb,
if ((iocb->ki_flags & IOCB_WAITQ) && written)
iocb->ki_flags |= IOCB_NOWAIT;
- i = 0;
pg_nr = generic_file_buffered_read_get_pages(iocb, iter,
pages, nr_pages);
if (pg_nr < 0) {
Matthew's patch series "Refactor generic_file_buffered_read "
(https://lkml.kernel.org/r/20210122160140.223228-1-willy@xxxxxxxxxxxxx)
changes all this code - I dont think the patch is relevant after that,
so I'll skip it.
Ah, right. Thanks for letting me know.
