[GFS2] Remove gfs2_repermission

gfs2_repermission is just a wrapper for permission, so remove it and
call permission directly where required.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 4e9c421..c19feb9 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -420,7 +420,7 @@
 		return ERR_PTR(error);
 
 	if (!is_root) {
-		error = gfs2_repermission(dir, MAY_EXEC, NULL);
+		error = permission(dir, MAY_EXEC, NULL);
 		if (error)
 			goto out;
 	}
@@ -571,7 +571,7 @@
 {
 	int error;
 
-	error = gfs2_repermission(&dip->i_inode, MAY_WRITE | MAY_EXEC, NULL);
+	error = permission(&dip->i_inode, MAY_WRITE | MAY_EXEC, NULL);
 	if (error)
 		return error;
 
@@ -1003,7 +1003,7 @@
 	if (IS_APPEND(&dip->i_inode))
 		return -EPERM;
 
-	error = gfs2_repermission(&dip->i_inode, MAY_WRITE | MAY_EXEC, NULL);
+	error = permission(&dip->i_inode, MAY_WRITE | MAY_EXEC, NULL);
 	if (error)
 		return error;
 
@@ -1356,8 +1356,3 @@
 	return error;
 }
 
-int gfs2_repermission(struct inode *inode, int mask, struct nameidata *nd)
-{
-	return permission(inode, mask, nd);
-}
-