mm: remove destroy_dirty_buffers from invalidate_bdev()

Remove the destroy_dirty_buffers argument from invalidate_bdev(), it hasn't
been used in 6 years (so akpm says).

find * -name \*.[ch] | xargs grep -l invalidate_bdev |
while read file; do
	quilt add $file;
	sed -ie 's/invalidate_bdev(\([^,]*\),[^)]*)/invalidate_bdev(\1)/g' $file;
done

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/buffer.c

@@ -333,7 +333,7 @@ out:
    we think the disk contains more recent information than the buffercache.
    The update == 1 pass marks the buffers we need to update, the update == 2
    pass does the actual I/O. */
-void invalidate_bdev(struct block_device *bdev, int destroy_dirty_buffers)
+void invalidate_bdev(struct block_device *bdev)
 {
 	struct address_space *mapping = bdev->bd_inode->i_mapping;
 
@@ -341,11 +341,6 @@ void invalidate_bdev(struct block_device *bdev, int destroy_dirty_buffers)
 		return;
 
 	invalidate_bh_lrus();
-	/*
-	 * FIXME: what about destroy_dirty_buffers?
-	 * We really want to use invalidate_inode_pages2() for
-	 * that, but not until that's cleaned up.
-	 */
 	invalidate_mapping_pages(mapping, 0, -1);
 }