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From: Christoph Hellwig <hch@lst.de>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Christoph Hellwig <hch@lst.de>,
	arnd@arndb.de, gregkh@linuxfoundation.org,
	christophe.leroy@csgroup.eu, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] /dev/zero: also implement ->read
Date: Mon, 7 Sep 2020 09:30:44 +0200	[thread overview]
Message-ID: <20200907073044.GE19875@lst.de> (raw)
In-Reply-To: <4a981ee8-2d57-c7ce-a1ca-43ad237471d2@rasmusvillemoes.dk>

On Mon, Sep 07, 2020 at 08:50:53AM +0200, Rasmus Villemoes wrote:
> 
> Actually, while you're micro-optimizing it, AFAIK VFS already handles
> count==0,

It doesn't.

      reply	other threads:[~2020-09-07  7:30 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-03 15:59 [PATCH] /dev/zero: also implement ->read Christoph Hellwig
2020-09-03 16:05 ` Christophe Leroy
2020-09-03 21:35   ` David Laight
2020-09-06 18:21     ` Pavel Machek
2020-09-06 18:35       ` Christophe Leroy
2020-09-06 18:38         ` Pavel Machek
2020-09-06 18:47           ` Christophe Leroy
2020-09-06 20:09           ` gregkh
2020-09-06 20:52         ` David Laight
2020-09-07  4:44           ` Christophe Leroy
2020-09-07  8:18             ` David Laight
2020-09-03 17:51 ` Christophe Leroy
2020-09-03 18:02   ` Greg KH
2020-09-06 22:34 ` Rasmus Villemoes
2020-09-07  6:20   ` Christoph Hellwig
2020-09-07  6:50     ` Rasmus Villemoes
2020-09-07  7:30       ` Christoph Hellwig [this message]

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