linux-kernel - Re: [Feature Request?] Inline compression of process core dumps

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Message-ID: <20070412172845.58bfeff5@the-village.bc.nu>
Date:	Thu, 12 Apr 2007 17:28:45 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Christopher S. Aker" <caker@...shore.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [Feature Request?] Inline compression of process core dumps

> There are userspace solutions to this problem:  allowing the 
> uncompressed core dump to spin out to disk and then coming in afterwards 
> and doing the compression, or maybe even a compressed filesystem where 
> the core dumps land, but I just thought I'd throw this out there since 
> it seems it would be a useful feature :)

Indeed. So useful that in current kernels you can set the core dump path
to be

	"|application"

and it will call out to the helper. Take care with the helper as it will
get run for setuid apps, roots core dumps etc.

Alan
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