Unverified Commit c4c07841 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!2716 ext4: recheck buffer valid after page unlock 

Merge Pull Request from: @ci-robot 
 
PR sync from: yangerkun <yangerkun@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/KM5ZGQQVCMZJORVBS7ZBCITFCOIN7S7L/ 
 
https://gitee.com/openeuler/kernel/issues/I8BBWH 
 
Link:https://gitee.com/openeuler/kernel/pulls/2716

 

Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 38d70d3e 0e9c919f

fs/ext4/inode.c

+7 −0
Original line number Diff line number Diff line
@@ -1911,6 +1911,13 @@ static int __ext4_journalled_writepage(struct page *page, 
		goto out;

	}



	if (!page_has_buffers(page)) {

		/* Check buffer valid since we ever unlock this page */

		ext4_journal_stop(handle);

		ClearPageDirty(page);

		goto out;

	}



	if (inline_data) {

		ret = ext4_mark_inode_dirty(handle, inode);

	} else {