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Date: Tue, 29 Nov 2011 16:37:55 +0000
From: =?ISO-8859-1?Q?P=E1draig_Brady?= <P@draigBrady.com>
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To: Jan Kara <jack@suse.cz>
CC: Wu Fengguang <fengguang.wu@intel.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Andi Kleen <andi@firstfloor.org>, Li Shaohua <shaohua.li@intel.com>,
        Linux Memory Management List <linux-mm@kvack.org>,
        linux-fsdevel@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 8/9] readahead: basic support for backwards prefetching
References: <20111129130900.628549879@intel.com> <20111129131456.925952168@intel.com> <20111129153552.GP5635@quack.suse.cz>
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On 11/29/2011 03:35 PM, Jan Kara wrote:
>   Someone already mentioned this earlier and I don't think I've seen a
> response: Do you have a realistic usecase for this? I don't think I've ever
> seen an application reading file backwards...

tac, tail -n$large, ...

cheers,
Pádraig.