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

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Date:	Mon, 15 Sep 2014 17:04:53 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Trond Myklebust <trond.myklebust@....uio.no>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@....de>
Subject: linux-next: build failure after merge of the nfs tree

Hi Trond,

After merging the nfs tree, today's linux-next build (powerpc
allyesconfig) failed like this:

fs/nfs/blocklayout/extent_tree.c: In function 'ext_tree_prepare_commit':
fs/nfs/blocklayout/extent_tree.c:540:3: error: implicit declaration of function '__vmalloc' [-Werror=implicit-function-declaration]
   start_p = __vmalloc(buffer_size, GFP_NOFS, PAGE_KERNEL);
   ^
fs/nfs/blocklayout/extent_tree.c:540:11: warning: assignment makes pointer from integer without a cast
   start_p = __vmalloc(buffer_size, GFP_NOFS, PAGE_KERNEL);
           ^

Caused by commit 34dc93c2fc04 ("pnfs/blocklayout: allocate separate
pages for the layoutcommit payload").

I added the following fix patch for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 15 Sep 2014 17:01:32 +1000
Subject: [PATCH] pnfs/blocklayout: include vmalloc.h for __vmalloc

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 fs/nfs/blocklayout/extent_tree.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/nfs/blocklayout/extent_tree.c b/fs/nfs/blocklayout/extent_tree.c
index 93193616205a..31d0b5e53dfd 100644
--- a/fs/nfs/blocklayout/extent_tree.c
+++ b/fs/nfs/blocklayout/extent_tree.c
@@ -2,6 +2,8 @@
  * Copyright (c) 2014 Christoph Hellwig.
  */
 
+#include <linux/vmalloc.h>
+
 #include "blocklayout.h"
 
 #define NFSDBG_FACILITY		NFSDBG_PNFS_LD
-- 
2.1.0

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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