Commit 75b7fe66 authored by Yu Kuai's avatar Yu Kuai Committed by Zheng Zengkai
Browse files

Revert "mm/filemap: fix that first page is not mark accessed in filemap_read()" 

hulk inclusion
category: bugfix
bugzilla: 186896, https://gitee.com/src-openeuler/kernel/issues/I5GZC8


CVE: NA

--------------------------------

This reverts commit 499ecade.

Prepare to backport solution from mainline.

Signed-off-by: default avatarYu Kuai <yukuai3@huawei.com>
Reviewed-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent 353a77e5

mm/filemap.c

+4 −5
Original line number Diff line number Diff line
@@ -2551,11 +2551,10 @@ ssize_t generic_file_buffered_read(struct kiocb *iocb, 
				flush_dcache_page(pages[i]);



			copied = copy_page_to_iter(pages[i], offset, bytes, iter);

			if (copied) {

				ra->prev_pos = iocb->ki_pos;



			written += copied;

			iocb->ki_pos += copied;

			}

			ra->prev_pos = iocb->ki_pos;



			if (copied < bytes) {

				error = -EFAULT;