On Mon, 7 Nov 2011, Alasdair G Kergon wrote:

On Mon, Nov 07, 2011 at 09:22:31AM +0100, Witold Baryluk wrote:

quoted

I just got error on todays Linus' tree
  CC [M]  drivers/md/dm-bufio.o
drivers/md/dm-bufio.c:988:1: warning: type defaults to ‘int’ in declaration of ‘EXPORT_SYMBOL_GPL’ [-Wimplicit-int]

Probably related to this merge:
  commit 32aaeffbd4a7457bf2f7448b33b5946ff2a960eb
  Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/ker

Previously module.h was included via another header file.
Now, bufio.c needs an explicit

#include <linux/module.h>

Alasdair

Yes, apply this patch:

dm-bufio: Include <linux/module.h>

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>

---
 drivers/md/dm-bufio.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6-compile/drivers/md/dm-bufio.c
===================================================================

--- linux-2.6-compile.orig/drivers/md/dm-bufio.c	2011-11-07 16:31:34.000000000 +0100
+++ linux-2.6-compile/drivers/md/dm-bufio.c	2011-11-07 16:31:41.000000000 +0100

@@ -8,6 +8,7 @@
 
 #include "dm-bufio.h"
 
+#include <linux/module.h>
 #include <linux/device-mapper.h>
 #include <linux/dm-io.h>
 #include <linux/slab.h>

Mikulas