linux-kernel - [PATCH] revoke: generic_file

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Date:	Wed, 28 Mar 2007 09:24:03 +0300 (EEST)
From:	Pekka J Enberg <penberg@...helsinki.fi>
To:	akpm@...ux-foundation.org
cc:	bryan.wu@...log.com, linux-kernel@...r.kernel.org,
	dhowells@...hat.com, alan@...rguk.ukuu.org.uk
Subject: [PATCH] revoke: generic_file_revoke stub for NOMMU

From: Pekka Enberg <penberg@...helsinki.fi>

As NOMMU does not include fs/revoke.c, we need to provide a stub for
generic_file_revoke() so that filesystems using it compile.

Cc: Bryan Wu <bryan.wu@...log.com>
Signed-off-by: Pekka Enberg <penberg@...helsinki.fi>
---
 include/linux/fs.h |    4 ++++
 1 file changed, 4 insertions(+)

Index: uml-2.6/include/linux/fs.h
===================================================================
--- uml-2.6.orig/include/linux/fs.h	2007-03-28 09:18:57.000000000 +0300
+++ uml-2.6/include/linux/fs.h	2007-03-28 09:20:48.000000000 +0300
@@ -1741,7 +1741,11 @@ extern long do_splice_direct(struct file
 		size_t len, unsigned int flags);
 
 /* fs/revoke.c */
+#ifdef CONFIG_MMU
 extern int generic_file_revoke(struct file *);
+#else
+#define generic_file_revoke NULL
+#endif
 
 extern void
 file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping);
-
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