--- zzzz-none-000/linux-3.10.107/fs/nilfs2/namei.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/nilfs2/namei.c	2021-02-04 17:41:59.000000000 +0000
@@ -120,9 +120,6 @@
 	struct nilfs_transaction_info ti;
 	int err;
 
-	if (!new_valid_dev(rdev))
-		return -EINVAL;
-
 	err = nilfs_transaction_begin(dir->i_sb, &ti, 1);
 	if (err)
 		return err;
@@ -192,7 +189,7 @@
 static int nilfs_link(struct dentry *old_dentry, struct inode *dir,
 		      struct dentry *dentry)
 {
-	struct inode *inode = old_dentry->d_inode;
+	struct inode *inode = d_inode(old_dentry);
 	struct nilfs_transaction_info ti;
 	int err;
 
@@ -283,7 +280,7 @@
 	if (!de)
 		goto out;
 
-	inode = dentry->d_inode;
+	inode = d_inode(dentry);
 	err = -EIO;
 	if (le64_to_cpu(de->inode) != inode->i_ino)
 		goto out;
@@ -318,7 +315,7 @@
 
 	if (!err) {
 		nilfs_mark_inode_dirty(dir);
-		nilfs_mark_inode_dirty(dentry->d_inode);
+		nilfs_mark_inode_dirty(d_inode(dentry));
 		err = nilfs_transaction_commit(dir->i_sb);
 	} else
 		nilfs_transaction_abort(dir->i_sb);
@@ -328,7 +325,7 @@
 
 static int nilfs_rmdir(struct inode *dir, struct dentry *dentry)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 	struct nilfs_transaction_info ti;
 	int err;
 
@@ -358,8 +355,8 @@
 static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 			struct inode *new_dir,	struct dentry *new_dentry)
 {
-	struct inode *old_inode = old_dentry->d_inode;
-	struct inode *new_inode = new_dentry->d_inode;
+	struct inode *old_inode = d_inode(old_dentry);
+	struct inode *new_inode = d_inode(new_dentry);
 	struct page *dir_page = NULL;
 	struct nilfs_dir_entry *dir_de = NULL;
 	struct page *old_page;
@@ -453,13 +450,13 @@
 	struct qstr dotdot = QSTR_INIT("..", 2);
 	struct nilfs_root *root;
 
-	ino = nilfs_inode_by_name(child->d_inode, &dotdot);
+	ino = nilfs_inode_by_name(d_inode(child), &dotdot);
 	if (!ino)
 		return ERR_PTR(-ENOENT);
 
-	root = NILFS_I(child->d_inode)->i_root;
+	root = NILFS_I(d_inode(child))->i_root;
 
-	inode = nilfs_iget(child->d_inode->i_sb, root, ino);
+	inode = nilfs_iget(d_inode(child)->i_sb, root, ino);
 	if (IS_ERR(inode))
 		return ERR_CAST(inode);
 
@@ -496,8 +493,7 @@
 {
 	struct nilfs_fid *fid = (struct nilfs_fid *)fh;
 
-	if ((fh_len != NILFS_FID_SIZE_NON_CONNECTABLE &&
-	     fh_len != NILFS_FID_SIZE_CONNECTABLE) ||
+	if (fh_len < NILFS_FID_SIZE_NON_CONNECTABLE ||
 	    (fh_type != FILEID_NILFS_WITH_PARENT &&
 	     fh_type != FILEID_NILFS_WITHOUT_PARENT))
 		return NULL;
@@ -510,7 +506,7 @@
 {
 	struct nilfs_fid *fid = (struct nilfs_fid *)fh;
 
-	if (fh_len != NILFS_FID_SIZE_CONNECTABLE ||
+	if (fh_len < NILFS_FID_SIZE_CONNECTABLE ||
 	    fh_type != FILEID_NILFS_WITH_PARENT)
 		return NULL;