From: Robert Hancock <hancockr@shaw.ca>
To: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Invalidating dentries
Date: Tue, 22 Mar 2005 18:07:44 -0600 [thread overview]
Message-ID: <4240B350.90606@shaw.ca> (raw)
In-Reply-To: <3Kxue-6D8-35@gated-at.bofh.it>
linux-os wrote:
> On Mon, 21 Mar 2005, Jan Engelhardt wrote:
>
>> Hello list,
>>
>>
>> how can I invalidate all buffered/cached dentries so that ls -l
>> /somefolder
>> will definitely go read the harddisk?
>>
>
> fsync() on the file(s) in the directory then fsync() on the directory
> itself. For this, one can open the directory as though it was
> just a file, you don't need opendir().
I don't think this is what they want, it sounds like they want to
effectively clear the read cache for the file system. I'm not sure
there's an easy way to do that other than maybe umounting and mounting
the file system again..
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/
next parent reply other threads:[~2005-03-23 0:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3Kx1c-6iK-37@gated-at.bofh.it>
[not found] ` <3Kxue-6D8-35@gated-at.bofh.it>
2005-03-23 0:07 ` Robert Hancock [this message]
2005-03-21 15:26 Invalidating dentries Jan Engelhardt
2005-03-21 15:46 ` linux-os
2005-03-23 2:44 ` Andrew Morton
2005-03-23 7:08 ` Jan Engelhardt
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