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Re: [PATCH 1/3] xfsqa: add delayed allocation @ ENOSPC exerciser

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH 1/3] xfsqa: add delayed allocation @ ENOSPC exerciser
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 3 Mar 2010 07:56:19 -0500
Cc: xfs@xxxxxxxxxxx
In-reply-to: <1267597162-12092-2-git-send-email-david@xxxxxxxxxxxxx>
References: <1267597162-12092-1-git-send-email-david@xxxxxxxxxxxxx> <1267597162-12092-2-git-send-email-david@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.19 (2009-01-05)
On Wed, Mar 03, 2010 at 05:19:20PM +1100, Dave Chinner wrote:
> +     killall -9 dd > /dev/null 2>&1

This seems a bit dangerous.  I have at least one old system that
uses dd to continously read the kernel message buffer in the
background, and there's tons of other potential dd uses.

Given that we now require bash and bash has array support you might
be able to store the pids of "our" dd instances in an array and
loop over them.

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