Add node id check in ra_node_page and get_node_page_ra like get_node_page.
Signed-off-by: Chao Yu <chao2...@samsung.com>
---
fs/f2fs/node.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 6d5f548..c1ddf3d 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -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 @@ repeat:
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);
}
--
2.6.3
------------------------------------------------------------------------------
_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
