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[linux-lvm] Re: [PATCH] per process request limits (was Re: IO scheduler, queuedepth, nr_requests)



Nick Piggin <piggin cyberone com au> wrote:
>
> Even with this patch, it might still be a good idea to allow
> pdflush to disregard the limits...

Has it been confirmed that pdflush is blocking in get_request_wait()?  I
guess that can happen very occasionally because we don't bother with any
locking around there but if it's happening a lot then something is bust.



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