dogfooding over in clusteradm land
truckman at FreeBSD.org
Tue Jan 3 11:35:48 UTC 2012
On 3 Jan, Kostik Belousov wrote:
>> With your change above, the code will skip the busy page after sleeping
>> if it is running in async mode. It won't make another attempt to write
>> this page because it no longer attempts to rescan.
> Why would it skip it ? Please note the call to vm_page_find_least()
> with the pindex of the busy page right after the check for
> generation. If a page with the pindex is still present in the object,
> vm_page_find_least() should return it, and vm_object_page_clean() should
> make another attempt at processing it.
> Am I missing something ?
Nope, I was missing something ...
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