linux-kernel - linux-next: build failure after merge of the xarray tree

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Message-ID: <20201008175540.13dc645d@canb.auug.org.au>
Date:   Thu, 8 Oct 2020 17:55:40 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the xarray tree

Hi all,

After merging the xarray tree, today's linux-next build (x86_64
allmodconfig) failed like this:

ERROR: modpost: "xa_delete_node" [lib/test_xarray.ko] undefined!

Caused by commit

  e95150e70fe1 ("XArray: Add private interface for workingset node deletion")

I have added the following hack for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 8 Oct 2020 17:52:11 +1100
Subject: [PATCH] XArray: export xa_delete_node()

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 lib/xarray.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/xarray.c b/lib/xarray.c
index 3f0b143bfdcd..be9166b45db3 100644
--- a/lib/xarray.c
+++ b/lib/xarray.c
@@ -1993,6 +1993,7 @@ void xa_delete_node(struct xa_node *node, xa_update_node_t update)
 
 	xas_store(&xas, NULL);
 }
+EXPORT_SYMBOL(xa_delete_node);
 
 /**
  * xa_destroy() - Free all internal data structures.
-- 
2.28.0

-- 
Cheers,
Stephen Rothwell

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