Commit e8458725 authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: check node id earily when readaheading node page 



Add node id check in ra_node_page and get_node_page_ra like get_node_page.

Signed-off-by: default avatarChao Yu <chao2.yu@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent de1475cc

fs/f2fs/node.c

+8 −3
Original line number Diff line number Diff line
@@ -1041,6 +1041,10 @@ void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid) 
	struct page *apage;

	int err;



	if (!nid)

		return;

	f2fs_bug_on(sbi, check_nid_range(sbi, nid));



	apage = find_get_page(NODE_MAPPING(sbi), nid);

	if (apage && PageUptodate(apage)) {

		f2fs_put_page(apage, 0);
@@ -1108,6 +1112,7 @@ struct page *get_node_page_ra(struct page *parent, int start) 
	nid = get_nid(parent, start, false);

	if (!nid)

		return ERR_PTR(-ENOENT);

	f2fs_bug_on(sbi, check_nid_range(sbi, nid));

repeat:

	page = grab_cache_page(NODE_MAPPING(sbi), nid);

	if (!page)
@@ -1127,9 +1132,9 @@ struct page *get_node_page_ra(struct page *parent, int start) 
	end = start + MAX_RA_NODE;

	end = min(end, NIDS_PER_BLOCK);

	for (i = start + 1; i < end; i++) {

		nid_t tnid = get_nid(parent, i, false);

		if (!tnid)

			continue;

		nid_t tnid;



		tnid = get_nid(parent, i, false);

		ra_node_page(sbi, tnid);

	}