Re: [dm-devel] 2.6.4-udm1

[Kevin Corry <kevcorry us ibm com>]

On Monday 15 March 2004 9:12 am, Joe Thornber wrote:
> http://people.sistina.com/~thornber/dm/patches/2.6-unstable/2.6.4/2.6.4-udm1.tar.bz2

> Revision 16:
>   kcopyd: stop using page->list

kcopyd_put_pages() does not walk the entire list of specified pages (it stops
at the second-to-last one). Thus, the nr_free_pages value is off by one. Fix
this by incrementing nr_free_pages once more after the loop completes.

--- diff/drivers/md/kcopyd.c	2004-03-15 13:41:59.000000000 -0600
+++ source/drivers/md/kcopyd.c	2004-03-15 13:40:41.000000000 -0600
@@ -100,6 +100,7 @@
 	for (cursor = pl; cursor->next; cursor = cursor->next)
 		kc->nr_free_pages++;
 
+	kc->nr_free_pages++;
 	cursor->next = kc->pages;
 	kc->pages = pl;
 	spin_unlock(&kc->lock);