ocfs2: filter more error prints

We don't want to print anything at all in ocfs2_lookup() when getting an
error from ocfs2_iget() - it could be something as innocuous as a signal
being detected in the dlm.

ocfs2_permission() should filter on -ENOENT which ocfs2_meta_lock() can
return if the inode was deleted on another node.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

fs/ocfs2/file.c

@@ -972,6 +972,7 @@ int ocfs2_permission(struct inode *inode, int mask, struct nameidata *nd)
 
 	ret = ocfs2_meta_lock(inode, NULL, 0);
 	if (ret) {
+		if (ret != -ENOENT)
 			mlog_errno(ret);
 		goto out;
 	}

fs/ocfs2/namei.c

@@ -175,8 +175,6 @@ static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry,
 
 	inode = ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0);
 	if (IS_ERR(inode)) {
-		mlog(ML_ERROR, "Unable to create inode %llu\n",
-		     (unsigned long long)blkno);
 		ret = ERR_PTR(-EACCES);
 		goto bail_unlock;
 	}