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From: Jeff Garzik <jeff@garzik.org>
To: Andreas Dilger <adilger@sun.com>
Cc: Oleg Drokin <green@linuxhacker.ru>,
	Christoph Hellwig <hch@infradead.org>,
	linux-fsdevel@vger.kernel.org
Subject: Re: Attempt at "stat light" implementation
Date: Tue, 07 Apr 2009 15:48:40 -0400	[thread overview]
Message-ID: <49DBAE18.20406@garzik.org> (raw)
In-Reply-To: <20090407182809.GX3204@webber.adilger.int>

Andreas Dilger wrote:
> On Apr 07, 2009  13:56 -0400, Oleg Drokin wrote:
>> On Apr 7, 2009, at 1:49 PM, Christoph Hellwig wrote:
>>> I think the best way to do it is to just define additional flags for  
>>> *statat family, that if present only request partial stat information.
>> But having to open every dir (or take an extra intermediate lookup hit)
>> might be a bad thing at times unless we officially allow to use a  
>> "magic" > "AT_FDCWD". What's your opinion on this?
> 
> Generally, any application doing tree traversal will have the parent
> directory open doing readdir() or getdents() so I don't think that is
> a huge problem.

And if that application does not have a directory open, it is vulnerable 
to races...

	Jeff





  parent reply	other threads:[~2009-04-07 19:48 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-07  6:23 Attempt at "stat light" implementation Oleg Drokin
2009-04-07 10:23 ` Andreas Dilger
2009-04-07 14:54   ` Oleg Drokin
2009-04-07 17:52     ` Christoph Hellwig
2009-04-07 15:22   ` jim owens
2009-04-07 15:38     ` Oleg Drokin
2009-04-07 16:20       ` jim owens
2009-04-07 17:32 ` Jamie Lokier
2009-04-07 17:38   ` Jeff Garzik
2009-04-07 17:56     ` Jamie Lokier
2009-04-07 18:21       ` Andreas Dilger
2009-04-07 19:30         ` Ulrich Drepper
2009-04-12 20:55           ` Jamie Lokier
2009-04-07 17:41   ` Oleg Drokin
2009-04-07 17:54     ` Jamie Lokier
2009-04-07 18:00       ` Oleg Drokin
2009-04-07 18:18     ` Andreas Dilger
2009-04-07 18:31     ` Nicholas Miell
2009-04-07 17:49 ` Christoph Hellwig
2009-04-07 17:56   ` Oleg Drokin
2009-04-07 18:28     ` Andreas Dilger
2009-04-07 18:50       ` Jamie Lokier
2009-04-07 19:48       ` Jeff Garzik [this message]
2009-04-07 19:47   ` Jeff Garzik
2009-04-07 20:18 ` Evgeniy Polyakov

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