Date: Wed, 16 Dec 2009 11:27:39 +0900 (JST)
Message-Id: <20091216.112739.104046780.d.hatayama@jp.fujitsu.com>
To: andi@firstfloor.org
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, jdike@addtoit.com,
       tony.luck@intel.com, mhiramat@redhat.com
Subject: Re: [RFC, PATCH 3/4] elf_core_dump(): make offset calculation and
 writing processes explicit
From: Daisuke HATAYAMA <d.hatayama@jp.fujitsu.com>
In-Reply-To: <87ocm0wct8.fsf@basil.nowhere.org>
References: <20091215.114137.104035145.d.hatayama@jp.fujitsu.com>
	<87ocm0wct8.fsf@basil.nowhere.org>
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> Daisuke HATAYAMA <d.hatayama@jp.fujitsu.com> writes:
> >
> > However, the clause 1. is not always possible, since one
> > cannot assume that dump_seek() function always supports
> > the seek in the minus direction. Consider no_llseek.
> 
> Not even forward seek is always supported, consider core dumping
> to a pipe.
> 
> -Andi

I may need to use backward seeking here, not forward. So, I stressed
here for the backward one.

Thanks.
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