nilfs2: delete mark_inode_dirty in nilfs_delete_entry

Delete mark_inode_dirty() in nilfs_delete_entry() to reduce duplicate
mark_inode_dirty() calls both in nilfs_rename() and nilfs_delete_entry().
Signed-off-by: NJiro SEKIBA <jir@unicus.jp>
Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>

fs/nilfs2/dir.c

@@ -595,7 +595,6 @@ int nilfs_delete_entry(struct nilfs_dir_entry *dir, struct page *page)
 	nilfs_commit_chunk(page, mapping, from, to);
 	inode->i_ctime = inode->i_mtime = CURRENT_TIME;
 /*	NILFS_I(inode)->i_flags &= ~NILFS_BTREE_FL; */
-	mark_inode_dirty(inode);
 out:
 	nilfs_put_page(page);
 	return err;

fs/nilfs2/namei.c

@@ -334,6 +334,7 @@ static int nilfs_unlink(struct inode *dir, struct dentry *dentry)
 	err = nilfs_do_unlink(dir, dentry);
 
 	if (!err) {
+		mark_inode_dirty(dir);
 		mark_inode_dirty(dentry->d_inode);
 		err = nilfs_transaction_commit(dir->i_sb);
 	} else
@@ -450,8 +451,8 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (dir_de) {
 		nilfs_set_link(old_inode, dir_de, dir_page, new_dir);
 		drop_nlink(old_dir);
-		mark_inode_dirty(old_dir);
 	}
+	mark_inode_dirty(old_dir);
 	mark_inode_dirty(old_inode);
 
 	err = nilfs_transaction_commit(old_dir->i_sb);