switch ocfs2, close races

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/ocfs2/export.c

@@ -137,9 +137,7 @@ check_gen:
 	}
 
 	result = d_obtain_alias(inode);
-	if (!IS_ERR(result))
-		d_set_d_op(result, &ocfs2_dentry_ops);
-	else
+	if (IS_ERR(result))
 		mlog_errno(PTR_ERR(result));
 
 bail:
@@ -175,8 +173,6 @@ static struct dentry *ocfs2_get_parent(struct dentry *child)
 	}
 
 	parent = d_obtain_alias(ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0, 0));
-	if (!IS_ERR(parent))
-		d_set_d_op(parent, &ocfs2_dentry_ops);
 
 bail_unlock:
 	ocfs2_inode_unlock(dir, 0);

fs/ocfs2/namei.c

@@ -147,7 +147,6 @@ static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry,
 	spin_unlock(&oi->ip_lock);
 
 bail_add:
-	d_set_d_op(dentry, &ocfs2_dentry_ops);
 	ret = d_splice_alias(inode, dentry);
 
 	if (inode) {
@@ -415,7 +414,6 @@ static int ocfs2_mknod(struct inode *dir,
 		mlog_errno(status);
 		goto leave;
 	}
-	d_set_d_op(dentry, &ocfs2_dentry_ops);
 
 	status = ocfs2_add_entry(handle, dentry, inode,
 				 OCFS2_I(inode)->ip_blkno, parent_fe_bh,
@@ -743,7 +741,6 @@ static int ocfs2_link(struct dentry *old_dentry,
 	}
 
 	ihold(inode);
-	d_set_d_op(dentry, &ocfs2_dentry_ops);
 	d_instantiate(dentry, inode);
 
 out_commit:
@@ -1797,7 +1794,6 @@ static int ocfs2_symlink(struct inode *dir,
 		mlog_errno(status);
 		goto bail;
 	}
-	d_set_d_op(dentry, &ocfs2_dentry_ops);
 
 	status = ocfs2_add_entry(handle, dentry, inode,
 				 le64_to_cpu(fe->i_blkno), parent_fe_bh,
@@ -2462,7 +2458,6 @@ int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,
 		goto out_commit;
 	}
 
-	d_set_d_op(dentry, &ocfs2_dentry_ops);
 	d_instantiate(dentry, inode);
 	status = 0;
 out_commit:

fs/ocfs2/super.c

@@ -2097,6 +2097,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
 
 	sb->s_fs_info = osb;
 	sb->s_op = &ocfs2_sops;
+	sb->s_d_op = &ocfs2_dentry_ops;
 	sb->s_export_op = &ocfs2_export_ops;
 	sb->s_qcop = &ocfs2_quotactl_ops;
 	sb->dq_op = &ocfs2_quota_operations;