erofs-utils: mkfs: fix inaccurate assertion of hardlinks in rebuild mode

`erofs_parent_inode(inode) == dir` is only true for non-hardlink
inodes and directories.

Only debug builds are impacted.

Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240909111305.1850391-1-hsiangkao@linux.alibaba.com

diff --git a/lib/inode.c b/lib/inode.c
index d464bc6fdbd76598be83b701619990836d640af3..bc3cb76e8bf2282cb28c49c2fe997601eb143630 100644 (file)
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -1744,7 +1744,8 @@ static int erofs_mkfs_dump_tree(struct erofs_inode *root, bool rebuild,
                                continue;
 
                        if (!erofs_inode_visited(inode)) {
-                               DBG_BUGON(rebuild &&
+                               DBG_BUGON(rebuild && (inode->i_nlink == 1 ||
+                                         S_ISDIR(inode->i_mode)) &&
                                          erofs_parent_inode(inode) != dir);
                                erofs_mark_parent_inode(inode, dir);