on 03/02/2013 21:23 Andriy Gapon said the following:
> on 03/02/2013 20:42 Andriy Gapon said the following:
>> -vm_page_busy(pp);
>> -vm_page_undirty(pp);
>
> ZFS lookup_page previously had two interesting bugs that almost canceled each
> other.
>
> The fi
on 03/02/2013 20:42 Andriy Gapon said the following:
> - vm_page_busy(pp);
> - vm_page_undirty(pp);
ZFS lookup_page previously had two interesting bugs that almost canceled each
other.
The first bug was that vm_page_undirty was called even if we read from
Author: avg
Date: Sun Feb 3 18:42:20 2013
New Revision: 246293
URL: http://svnweb.freebsd.org/changeset/base/246293
Log:
zfs: fix, improve and re-organize page_lookup and page_unlock
Now they are split into two pairs: page_hold/page_unhold for mappedread
and page_busy/page_unbusy for upd
