在 2021/1/26 7:22, Andrew Morton 写道:
On Mon, 25 Jan 2021 11:20:02 +0800 Baolin Wang <baolin.w...@linux.alibaba.com> 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-wi...@infradead.org) 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.
