[PATCH] Make address_space_operations->invalidatepage return void

The return value of this function is never used, so let's be honest and
declare it as void.

Some places where invalidatepage returned 0, I have inserted comments
suggesting a BUG_ON.

[akpm@osdl.org: JBD BUG fix]
[akpm@osdl.org: rework for git-nfs]
[akpm@osdl.org: don't go BUG in block_invalidate_page()]
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 4fc7dffd66ef..6a425e370cb3 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -895,7 +895,7 @@ extern int	 journal_dirty_metadata (handle_t *, struct buffer_head *);
 extern void      journal_release_buffer (handle_t *, struct buffer_head *);
 extern int       journal_forget (handle_t *, struct buffer_head *);
 extern void      journal_sync_buffer (struct buffer_head *);
-extern int       journal_invalidatepage(journal_t *,
+extern void      journal_invalidatepage(journal_t *,
                                 struct page *, unsigned long);
 extern int       journal_try_to_free_buffers(journal_t *, struct page *, gfp_t);
 extern int       journal_stop(handle_t *);