Revert "vfs: rename: check backing inode being equal"

This reverts commit 9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca.

Since commit 51f7e52dc943 ("ovl: share inode for hard link") there's no
need to call d_real_inode() to check two overlay inodes for equality.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

diff --git a/fs/namei.c b/fs/namei.c
index 5b4eed2215304a14ac2614058ae2b2002a3f2ae9..31d04d993a2d7432c3b078f75f936a10d763a497 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -4345,11 +4345,7 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
        bool new_is_dir = false;
        unsigned max_links = new_dir->i_sb->s_max_links;
 
-       /*
-        * Check source == target.
-        * On overlayfs need to look at underlying inodes.
-        */
-       if (d_real_inode(old_dentry) == d_real_inode(new_dentry))
+       if (source == target)
                return 0;
 
        error = may_delete(old_dir, old_dentry, is_dir);