GFS2: Fix nlink setting on inode creation

Since the nlink count will be 0, we need to use set_nlink rather
than inc_nlink in order to avoid triggering the inc_nlink warning
which was added recently.
Signed-off-by: NSteven Whitehouse <swhiteho@redhat.com>

fs/gfs2/inode.c

@@ -599,9 +599,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,
 	error = gfs2_meta_inode_buffer(ip, &dibh);
 	if (error)
 		goto fail_end_trans;
-	inc_nlink(&ip->i_inode);
-	if (S_ISDIR(ip->i_inode.i_mode))
-		inc_nlink(&ip->i_inode);
+	set_nlink(&ip->i_inode, S_ISDIR(ip->i_inode.i_mode) ? 2 : 1);
 	gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 	gfs2_dinode_out(ip, dibh->b_data);
 	brelse(dibh);