Hi Fengguang,
On Fri, Oct 26, 2012 at 4:02 PM, Fengguang Wu wrote:
> On Fri, Oct 26, 2012 at 03:47:19PM +0800, Ni zhan Chen wrote:
>> On 10/26/2012 03:36 PM, Fengguang Wu wrote:
>> >On Fri, Oct 26, 2012 at 03:19:57PM +0800, Ni zhan Chen wrote:
>> >>On 10/26/2012 03:09 PM, Fengguang Wu wrote:
>>
Hi Fengguang,
On Fri, Oct 26, 2012 at 4:02 PM, Fengguang Wu fengguang...@intel.com wrote:
On Fri, Oct 26, 2012 at 03:47:19PM +0800, Ni zhan Chen wrote:
On 10/26/2012 03:36 PM, Fengguang Wu wrote:
On Fri, Oct 26, 2012 at 03:19:57PM +0800, Ni zhan Chen wrote:
On 10/26/2012 03:09 PM, Fengguang
On Fri, Oct 26, 2012 at 11:55 AM, Fengguang Wu wrote:
> On Fri, Oct 26, 2012 at 11:38:11AM +0800, YingHang Zhu wrote:
>> On Fri, Oct 26, 2012 at 8:25 AM, Dave Chinner wrote:
>> > On Thu, Oct 25, 2012 at 10:58:26AM +0800, Fengguang Wu wrote:
>> >> Hi Chen,
>>
On Fri, Oct 26, 2012 at 11:51 AM, Ni zhan Chen wrote:
> On 10/26/2012 11:28 AM, YingHang Zhu wrote:
>>
>> On Fri, Oct 26, 2012 at 10:30 AM, Ni zhan Chen
>> wrote:
>>>
>>> On 10/26/2012 09:27 AM, Fengguang Wu wrote:
>>>>
>>>&g
On Fri, Oct 26, 2012 at 8:25 AM, Dave Chinner wrote:
> On Thu, Oct 25, 2012 at 10:58:26AM +0800, Fengguang Wu wrote:
>> Hi Chen,
>>
>> > But how can bdi related ra_pages reflect different files' readahead
>> > window? Maybe these different files are sequential read, random read
>> > and so on.
>>
On Fri, Oct 26, 2012 at 10:30 AM, Ni zhan Chen wrote:
> On 10/26/2012 09:27 AM, Fengguang Wu wrote:
>>
>> On Fri, Oct 26, 2012 at 11:25:44AM +1100, Dave Chinner wrote:
>>>
>>> On Thu, Oct 25, 2012 at 10:58:26AM +0800, Fengguang Wu wrote:
Hi Chen,
> But how can bdi related
On Fri, Oct 26, 2012 at 10:30 AM, Ni zhan Chen nizhan.c...@gmail.com wrote:
On 10/26/2012 09:27 AM, Fengguang Wu wrote:
On Fri, Oct 26, 2012 at 11:25:44AM +1100, Dave Chinner wrote:
On Thu, Oct 25, 2012 at 10:58:26AM +0800, Fengguang Wu wrote:
Hi Chen,
But how can bdi related ra_pages
On Fri, Oct 26, 2012 at 8:25 AM, Dave Chinner da...@fromorbit.com wrote:
On Thu, Oct 25, 2012 at 10:58:26AM +0800, Fengguang Wu wrote:
Hi Chen,
But how can bdi related ra_pages reflect different files' readahead
window? Maybe these different files are sequential read, random read
and so
On Fri, Oct 26, 2012 at 11:51 AM, Ni zhan Chen nizhan.c...@gmail.com wrote:
On 10/26/2012 11:28 AM, YingHang Zhu wrote:
On Fri, Oct 26, 2012 at 10:30 AM, Ni zhan Chen nizhan.c...@gmail.com
wrote:
On 10/26/2012 09:27 AM, Fengguang Wu wrote:
On Fri, Oct 26, 2012 at 11:25:44AM +1100, Dave
On Fri, Oct 26, 2012 at 11:55 AM, Fengguang Wu fengguang...@intel.com wrote:
On Fri, Oct 26, 2012 at 11:38:11AM +0800, YingHang Zhu wrote:
On Fri, Oct 26, 2012 at 8:25 AM, Dave Chinner da...@fromorbit.com wrote:
On Thu, Oct 25, 2012 at 10:58:26AM +0800, Fengguang Wu wrote:
Hi Chen
On Thu, Oct 25, 2012 at 10:58 AM, Fengguang Wu wrote:
> Hi Chen,
>
>> But how can bdi related ra_pages reflect different files' readahead
>> window? Maybe these different files are sequential read, random read
>> and so on.
>
> It's simple: sequential reads will get ra_pages readahead size while
On Thu, Oct 25, 2012 at 10:38 AM, Fengguang Wu wrote:
> Hi YingHang,
>
>> Actually I've talked about it with Fengguang, he advised we should unify the
>> ra_pages in struct bdi and file_ra_state and leave the issue that
>> spreading data
>> across disks as it is.
>> Fengguang, what's you opinion
On Thu, Oct 25, 2012 at 10:12 AM, Ni zhan Chen wrote:
> On 10/25/2012 10:04 AM, YingHang Zhu wrote:
>>
>> On Thu, Oct 25, 2012 at 9:50 AM, Dave Chinner wrote:
>>>
>>> On Thu, Oct 25, 2012 at 08:17:05AM +0800, YingHang Zhu wrote:
>>>>
>>>>
On Thu, Oct 25, 2012 at 9:50 AM, Dave Chinner wrote:
> On Thu, Oct 25, 2012 at 08:17:05AM +0800, YingHang Zhu wrote:
>> On Thu, Oct 25, 2012 at 4:19 AM, Dave Chinner wrote:
>> > On Wed, Oct 24, 2012 at 07:53:59AM +0800, YingHang Zhu wrote:
>> >> Hi Dave,
>>
On Thu, Oct 25, 2012 at 4:19 AM, Dave Chinner wrote:
> On Wed, Oct 24, 2012 at 07:53:59AM +0800, YingHang Zhu wrote:
>> Hi Dave,
>> On Wed, Oct 24, 2012 at 6:47 AM, Dave Chinner wrote:
>> > On Tue, Oct 23, 2012 at 08:46:51PM +0800, Ying Zhu wrote:
>> >> Hi,
On Thu, Oct 25, 2012 at 4:19 AM, Dave Chinner da...@fromorbit.com wrote:
On Wed, Oct 24, 2012 at 07:53:59AM +0800, YingHang Zhu wrote:
Hi Dave,
On Wed, Oct 24, 2012 at 6:47 AM, Dave Chinner da...@fromorbit.com wrote:
On Tue, Oct 23, 2012 at 08:46:51PM +0800, Ying Zhu wrote:
Hi,
Recently
On Thu, Oct 25, 2012 at 9:50 AM, Dave Chinner da...@fromorbit.com wrote:
On Thu, Oct 25, 2012 at 08:17:05AM +0800, YingHang Zhu wrote:
On Thu, Oct 25, 2012 at 4:19 AM, Dave Chinner da...@fromorbit.com wrote:
On Wed, Oct 24, 2012 at 07:53:59AM +0800, YingHang Zhu wrote:
Hi Dave,
On Wed, Oct
On Thu, Oct 25, 2012 at 10:12 AM, Ni zhan Chen nizhan.c...@gmail.com wrote:
On 10/25/2012 10:04 AM, YingHang Zhu wrote:
On Thu, Oct 25, 2012 at 9:50 AM, Dave Chinner da...@fromorbit.com wrote:
On Thu, Oct 25, 2012 at 08:17:05AM +0800, YingHang Zhu wrote:
On Thu, Oct 25, 2012 at 4:19 AM
On Thu, Oct 25, 2012 at 10:38 AM, Fengguang Wu fengguang...@intel.com wrote:
Hi YingHang,
Actually I've talked about it with Fengguang, he advised we should unify the
ra_pages in struct bdi and file_ra_state and leave the issue that
spreading data
across disks as it is.
Fengguang, what's
On Thu, Oct 25, 2012 at 10:58 AM, Fengguang Wu fengguang...@intel.com wrote:
Hi Chen,
But how can bdi related ra_pages reflect different files' readahead
window? Maybe these different files are sequential read, random read
and so on.
It's simple: sequential reads will get ra_pages readahead
Hi Chen,
On Wed, Oct 24, 2012 at 9:02 AM, Ni zhan Chen wrote:
> On 10/23/2012 09:41 PM, YingHang Zhu wrote:
>>
>> Sorry for the annoying, I forgot ccs in the previous mail.
>> Thanks,
>> Ying Zhu
>> Hi Chen,
>>
>> On Tue, Oct 23, 2012 at 9
Hi Dave,
On Wed, Oct 24, 2012 at 6:47 AM, Dave Chinner wrote:
> On Tue, Oct 23, 2012 at 08:46:51PM +0800, Ying Zhu wrote:
>> Hi,
>> Recently we ran into the bug that an opened file's ra_pages does not
>> synchronize with it's backing device's when the latter is changed
>> with blockdev --setra,
Sorry for the annoying, I forgot ccs in the previous mail.
Thanks,
Ying Zhu
Hi Chen,
On Tue, Oct 23, 2012 at 9:21 PM, Ni zhan Chen wrote:
> On 10/23/2012 08:46 PM, Ying Zhu wrote:
>>
>> Hi,
>>Recently we ran into the bug that an opened file's ra_pages does not
>> synchronize with
Sorry for the annoying, I forgot ccs in the previous mail.
Thanks,
Ying Zhu
Hi Chen,
On Tue, Oct 23, 2012 at 9:21 PM, Ni zhan Chen nizhan.c...@gmail.com wrote:
On 10/23/2012 08:46 PM, Ying Zhu wrote:
Hi,
Recently we ran into the bug that an opened file's ra_pages does not
Hi Dave,
On Wed, Oct 24, 2012 at 6:47 AM, Dave Chinner da...@fromorbit.com wrote:
On Tue, Oct 23, 2012 at 08:46:51PM +0800, Ying Zhu wrote:
Hi,
Recently we ran into the bug that an opened file's ra_pages does not
synchronize with it's backing device's when the latter is changed
with
Hi Chen,
On Wed, Oct 24, 2012 at 9:02 AM, Ni zhan Chen nizhan.c...@gmail.com wrote:
On 10/23/2012 09:41 PM, YingHang Zhu wrote:
Sorry for the annoying, I forgot ccs in the previous mail.
Thanks,
Ying Zhu
Hi Chen,
On Tue, Oct 23, 2012 at 9:21 PM, Ni zhan Chen nizhan.c
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