From: Juri Haberland <juri.haberland@innominate.com>
To: Al Peat <al_kernel@yahoo.com>
Cc: myself <al_peat@yahoo.com>, linux-kernel@vger.kernel.org
Subject: Re: Purging the Buffer Cache
Date: Wed, 20 Dec 2000 11:02:58 +0100 [thread overview]
Message-ID: <3A4083D2.BC684527@innominate.com> (raw)
In-Reply-To: <20001220040634.26347.qmail@web10102.mail.yahoo.com>
Al Peat wrote:
>
> Is there any way to completely purge the buffer
> cache -- not just the write requests (ala 'sync' or
> 'update'), but the whole thing? Can I just call
> invalidate_buffers() or destroy_buffers()?
>
> I know, why in the world would a person do such a
> thing? Research. It'd be easier for me to write a
> little program or add it to a module than wait for a
> reboot each time I need a clean buffer cache.
What about the ioctl BLKFLSBUF ?
If you are running a SuSE distrib there is already a tool called flushb
that does what you want. If not, you can download the simple tool from
http://innominate.org/~juri/flushb.tar.gz
Juri
--
juri.haberland@innominate.com
system engineer innominate AG
clustering & security the linux architects
tel: +49-30-308806-45 fax: -77 http://www.innominate.com
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prev parent reply other threads:[~2000-12-20 10:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-20 4:06 Purging the Buffer Cache Al Peat
2000-12-20 10:02 ` Juri Haberland [this message]
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