From: Tao Ma <tm@tao.ma>
To: Curt Wohlgemuth <curtw@google.com>
Cc: Jan Kara <jack@suse.cz>,
lsf-pc@lists.linuxfoundation.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [LSF/MM TOPIC] Writeback - current state and future
Date: Sat, 05 Feb 2011 15:55:53 +0800 [thread overview]
Message-ID: <4D4D0289.2030900@tao.ma> (raw)
In-Reply-To: <AANLkTikUwWOrz_LF1nO=y9cE=Ndt_CUMH-HwH244z6n0@mail.gmail.com>
On 02/05/2011 02:06 AM, Curt Wohlgemuth wrote:
> I think it would also be valuable to include a discussion of writeback
> testing, so perhaps we can go beyond simply large numbers of dd
> processes.
>
yeah, I guess a good test case is really needed here.
We are trying to use the new writeback, but can't find some good test
cases that t can be used.
A good number is always needed when we prompt new kernel features to my
employer. ;)
Regards,
Tao
> On Fri, Feb 4, 2011 at 8:42 AM, Jan Kara<jack@suse.cz> wrote:
>
>> Hi,
>>
>> I'd like to have one session about writeback. The content would highly
>> depend on the current state of things but on a general level, I'd like to
>> quickly sum up what went into the kernel (or is mostly ready to go) since
>> last LSF (handling of background writeback, livelock avoidance), what is
>> being worked on - IO-less balance_dirty_pages() (if it won't be in the
>> mostly done section), what other things need to be improved (kswapd
>> writeout, writeback_inodes_sb_if_idle() mess, come to my mind now)
>>
>> Honza
>> --
>> Jan Kara<jack@suse.cz>
>> SUSE Labs, CR
>> --
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>>
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next prev parent reply other threads:[~2011-02-05 7:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-04 16:42 [LSF/MM TOPIC] Writeback - current state and future Jan Kara
2011-02-04 18:06 ` Curt Wohlgemuth
2011-02-05 7:55 ` Tao Ma [this message]
2011-02-06 10:43 ` Boaz Harrosh
2011-02-06 15:13 ` Sorin Faibish
2011-02-06 16:24 ` Boaz Harrosh
2011-02-11 14:47 ` Jan Kara
2011-02-11 16:22 ` sfaibish
2011-02-26 21:03 ` Sorin Faibish
2011-02-26 21:07 ` [Lsf-pc] " James Bottomley
2011-02-26 23:21 ` Sorin Faibish
2011-02-26 23:48 ` James Bottomley
2011-02-27 1:50 ` Trond Myklebust
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