nilfs2: delete mark_inode_dirty in nilfs_new_inode

It is redundant to call mark_inode_dirty() in nilfs_new_inode() because
all caller of nilfs_new_inode() will call mark_inode_dirty()
after calling nilfs_new_inode() directly or indirectly in transaction.
Signed-off-by: NJiro SEKIBA <jir@unicus.jp>
Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>

fs/nilfs2/inode.c

@@ -323,7 +323,6 @@ struct inode *nilfs_new_inode(struct inode *dir, int mode)
 				    nilfs_init_acl(), proper cancellation of
 				    above jobs should be considered */
 
-	mark_inode_dirty(inode);
 	return inode;
 
  failed_acl:

fs/nilfs2/namei.c

@@ -188,7 +188,7 @@ static int nilfs_symlink(struct inode *dir, struct dentry *dentry,
 		goto out_fail;
 
 	/* mark_inode_dirty(inode); */
-	/* nilfs_new_inode() and page_symlink() do this */
+	/* page_symlink() do this */
 
 	err = nilfs_add_nondir(dentry, inode);
 out: