linux-kernel - Re: [PATCH v2] fadvise: introduce POSIX_FADV_DONTNEED

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Message-ID: <20110504220922.GA4811@linux.develer.com>
Date:	Thu, 5 May 2011 00:09:22 +0200
From:	Andrea Righi <andrea@...terlinux.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Dave Chinner <david@...morbit.com>,
	Mike Frysinger <vapier@...too.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>, linux-fsdevel@...r.kernel.org,
	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] fadvise: introduce POSIX_FADV_DONTNEED_FS

On Wed, May 04, 2011 at 02:44:11PM -0700, Andrew Morton wrote:
> On Wed, 27 Apr 2011 20:13:47 +0200
> Andrea Righi <andrea@...terlinux.com> wrote:
> 
> > Introduce a new fadvise flag to drop page cache pages of a single
> > filesystem.
> 
> I'm going to object to this on general principle.  We shouldn't toss
> new features into the kernel API just because we can.  Each feature
> needs a really good argument to justify its inclusion, and I don't
> believe that the case has been made for this feature.
> 
> IOW, who's going to die if we don't merge it?

OK. :)

-Andrea
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