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

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Message-ID: <CAPDOMVgM+E1XxsFvhAYWzHo7HCFqp6sO6Y53_m2am-fno6m_AQ@mail.gmail.com>
Date:	Thu, 31 Jul 2014 00:14:50 -0400
From:	Nick Krause <xerofoify@...il.com>
To:	Dave Airlie <airlied@...il.com>
Cc:	Chris Mason <clm@...com>, Josef Bacik <jbacik@...com>,
	"linux-btrfs@...r.kernel.org SYSTEM list:BTRFS FILE" 
	<linux-btrfs@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Remove certain calls for releasing page cache

On Wed, Jul 30, 2014 at 11:57 PM, Dave Airlie <airlied@...il.com> wrote:
> On 31 July 2014 12:05, Nick Krause <xerofoify@...il.com> wrote:
>> On Wed, Jul 30, 2014 at 7:30 PM, Dave Airlie <airlied@...il.com> 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.
>>>>
>>>
>>> For all that is sacred, STOP.
>>>
>>> Go and do something else, you are wasting people's valuable time,
>>>
>>> Don't send any patches you haven't tested ever. If you aren't capable
>>> of setting up a VM to run compressed btrfs volumes in, what makes you
>>> think you can patch the code.
>>>
>>> This isn't how you learn to be a kernel developer by wasting other
>>> kernel developers time, if you can't work out why releasing the page cache
>>> is necessary then don't send the patch until you have spent the time
>>> understanding what the page cache is.
>>>
>>> I know you'll just ignore this, and keep on trucking just like you ignored
>>> the other messages from Stephen before.
>>>
>>> But if you want to work on the kernel, this isn't the way to do it, and
>>> nobody will ever take a patch from you seriously if you continue in this
>>> fashion.
>>>
>>> Dave.
>> Dave ,
>> Seems I need to have tested this code first.
>> Regards Nick
>
>
> No you needed to do a lot more, these one line replies from you are
> quite stupid,
>
> You are quite deliberately missing the point of people trying to help you,
>
> Dave.

Honestly ,
I understand and thanks for the help a lot. I am wondering if some one
can give me
a pointer on where to download the git repos for the btrfs user spaces
tools as it
seems on the btrfs tools on the wiki.
Regards Nick
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