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Commit aaf96075 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: check node page contents all the time 



In get_node_page, if the page is up-to-date, we assumed that the page was not
reclaimed at all.
But, sometimes it was reported that its contents was missing.
So, just for sure, let's check its mapping and contents.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 2e023174

fs/f2fs/node.c

+3 −4
Original line number Diff line number Diff line
@@ -1036,11 +1036,11 @@ struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid) 
	err = read_node_page(page, READ_SYNC);

	if (err < 0)

		return ERR_PTR(err);

	else if (err == LOCKED_PAGE)

		goto got_it;



	else if (err != LOCKED_PAGE)

		lock_page(page);



	if (unlikely(!PageUptodate(page) || nid != nid_of_node(page))) {

		ClearPageUptodate(page);

		f2fs_put_page(page, 1);

		return ERR_PTR(-EIO);

	}
@@ -1048,7 +1048,6 @@ struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid) 
		f2fs_put_page(page, 1);

		goto repeat;

	}

got_it:

	return page;

}