linux-kernel - Re: [PATCH] Remove certain calls for releasing page cache

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Message-ID: <CAPDOMVhWmOYNG=WTwXL5V9-t_rAj-eDPB3WQf7Qj4yjcw7v=0Q@mail.gmail.com>
Date:	Wed, 30 Jul 2014 18:34:59 -0400
From:	Nick Krause <xerofoify@...il.com>
To:	Zach Brown <zab@...bo.net>
Cc:	Josef Bacik <jbacik@...com>, Chris Mason <clm@...com>,
	"linux-btrfs@...r.kernel.org SYSTEM list:BTRFS FILE" 
	<linux-btrfs@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Remove certain calls for releasing page cache

On Wed, Jul 30, 2014 at 4:51 PM, Zach Brown <zab@...bo.net> wrote:
> On Wed, Jul 30, 2014 at 04:47:12PM -0400, Josef Bacik wrote:
>> On 07/30/2014 04:42 PM, Nicholas Krause wrote:
>> >This patch removes the lines for releasing the page cache in certain
>> >files as this may aid in perfomance with writes in the compression
>> >rountines of btrfs. Please note that this patch has not been tested
>> >on my own hardware due to no compression based btrfs volumes of my
>> >own.
>> >
>>
>> http://37.media.tumblr.com/tumblr_m44v95k9Y11qjhgo6o1_250.gif
>
> https://www.youtube.com/watch?v=jVfkYZmXHAg
>
> - z


Zach,
Is there a reason for freeing the page cache as I seem to be missing why?
Regards Nick
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