[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>
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index ada31fa..c609f50 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -1873,16 +1873,15 @@
}
/**
- * int journal_invalidatepage()
+ * void journal_invalidatepage()
* @journal: journal to use for flush...
* @page: page to flush
* @offset: length of page to invalidate.
*
* Reap page buffers containing data after offset in page.
*
- * Return non-zero if the page's buffers were successfully reaped.
*/
-int journal_invalidatepage(journal_t *journal,
+void journal_invalidatepage(journal_t *journal,
struct page *page,
unsigned long offset)
{
@@ -1893,7 +1892,7 @@
if (!PageLocked(page))
BUG();
if (!page_has_buffers(page))
- return 1;
+ return;
/* We will potentially be playing with lists other than just the
* data lists (especially for journaled data mode), so be
@@ -1916,11 +1915,9 @@
} while (bh != head);
if (!offset) {
- if (!may_free || !try_to_free_buffers(page))
- return 0;
- J_ASSERT(!page_has_buffers(page));
+ if (may_free && try_to_free_buffers(page))
+ J_ASSERT(!page_has_buffers(page));
}
- return 1;
}
/*