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From: Alan <alan@lxorguk.ukuu.org.uk>
To: Zach Brown <zab@zabbo.net>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	hch@lst.de
Subject: Re: [RFC/PATCH] revokeat/frevoke system calls V5
Date: Mon, 26 Feb 2007 19:41:31 +0000	[thread overview]
Message-ID: <20070226194131.2c4e4a47@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <79B7BBDC-E953-4EAE-8D32-E510DE0981FF@zabbo.net>

> I'm not sure.  Turning, for example, the statat(dir_fd, name == NULL)  
> error case into fstat(dir_fd) sounds like a way for apps, admittedly  
> buggy ones, to be surprised.  Maybe libc would be exptected to catch  
> the error before performing the shared system call?

At that point would it not be cheaper to have two system calls, the table
cost isn't very large.

  parent reply	other threads:[~2007-02-26 18:37 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-28 20:06 Pekka J Enberg
2007-02-01  4:28 ` Serge E. Hallyn
2007-02-07 10:45 ` Jan Kara
2007-02-07 10:50   ` Pekka J Enberg
2007-02-07 11:05     ` Jan Kara
2007-02-26  0:33 ` Alan
2007-02-26  7:25   ` Pekka Enberg
2007-02-26  7:53     ` H. Peter Anvin
     [not found]       ` <79B7BBDC-E953-4EAE-8D32-E510DE0981FF@zabbo.net>
2007-02-26 19:41         ` Alan [this message]
2007-02-26 18:46           ` H. Peter Anvin
2007-02-26 21:36             ` Kyle Moffett

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