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Re: xfsdump stuck in io_schedule

To: Andi Kleen <ak@xxxxxxx>
Subject: Re: xfsdump stuck in io_schedule
From: Zlatko Calusic <zlatko.calusic@xxxxxxxx>
Date: Sat, 16 Nov 2002 11:40:30 +0100
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <20021115164012.A28685@xxxxxxxxxxxxx> (Andi Kleen's message of "Fri, 15 Nov 2002 16:40:12 +0100")
References: <dnfzu3yw8u.fsf@xxxxxxxxxxxxxxxxx> <20021115135233.A13882@xxxxxxxxxxxxxxxx> <dnlm3v9ebk.fsf@xxxxxxxxxxxxxxxxx> <20021115140635.A31836@xxxxxxxxxxxxx> <dnr8dmj1i1.fsf@xxxxxxxxxxxxxxxxx> <20021115164012.A28685@xxxxxxxxxxxxx>
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Andi Kleen <ak@xxxxxxx> writes:

>> Hm, to tell the truth, all that doesn't sound like an easy problem to
>> fix, but I'm sure we'll think of something. :)
> It may be possible to just hack the user space program to limit 
> the data currently in flight, but that would likely impact performance
> somewhat. Better than doing no backups though.

Before that, I think we should try to fix it properly. Yes, xfsdump is
blazingly fast and probably that is the reason we have some problems
with it now, but let's try not to surrender before a fight. :)


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