Hi Bastien,

Bastien writes:
> Sorry it took so long to apply this patch, this is now done in maint.
No problem, thank you for getting back on this.

I think something went wrong though. I've attached as a new patch a
part of the previous one that wasn't applied. Without it, some
write-back buffers are never killed.

Regards,

-- 
Sébastien Miquel