f2fs: fix the logic of IS_DNODE()

If (ofs % (NIDS_PER_BLOCK + 1) == 0), the node is an indirect node block.

Signed-off-by: Zhihui Zhang <zzhsuny@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index 271a61c..0a2d72f 100644 (file)
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -242,7 +242,7 @@ static inline bool IS_DNODE(struct page *node_page)
                return false;
        if (ofs >= 6 + 2 * NIDS_PER_BLOCK) {
                ofs -= 6 + 2 * NIDS_PER_BLOCK;
-               if ((long int)ofs % (NIDS_PER_BLOCK + 1))
+               if (!((long int)ofs % (NIDS_PER_BLOCK + 1)))
                        return false;
        }
        return true;