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:
>>
On 10/26/2012 04:02 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:
On Fri, Oct 26, 2012 at 03:03:12PM
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:
> >>>On Fri, Oct 26, 2012 at 03:03:12PM +0800, Ni zhan Chen wrote:
> On
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:
On Fri, Oct 26, 2012 at 03:03:12PM +0800, Ni zhan Chen wrote:
On 10/26/2012 02:58 PM, Fengguang Wu wrote:
static void
On Fri, Oct 26, 2012 at 03:19:57PM +0800, Ni zhan Chen wrote:
> On 10/26/2012 03:09 PM, Fengguang Wu wrote:
> >On Fri, Oct 26, 2012 at 03:03:12PM +0800, Ni zhan Chen wrote:
> >>On 10/26/2012 02:58 PM, Fengguang Wu wrote:
> static void shrink_readahead_size_eio(struct file *filp,
>
On 10/26/2012 03:09 PM, Fengguang Wu wrote:
On Fri, Oct 26, 2012 at 03:03:12PM +0800, Ni zhan Chen wrote:
On 10/26/2012 02:58 PM, Fengguang Wu wrote:
static void shrink_readahead_size_eio(struct file *filp,
struct file_ra_state *ra)
{
-
On Fri, Oct 26, 2012 at 03:03:12PM +0800, Ni zhan Chen wrote:
> On 10/26/2012 02:58 PM, Fengguang Wu wrote:
> >> static void shrink_readahead_size_eio(struct file *filp,
> >> struct file_ra_state *ra)
> >> {
> >>- ra->ra_pages /= 4;
> >>+
On 10/26/2012 02:58 PM, Fengguang Wu wrote:
static void shrink_readahead_size_eio(struct file *filp,
struct file_ra_state *ra)
{
- ra->ra_pages /= 4;
+ spin_lock(>f_lock);
+ filp->f_mode |= FMODE_RANDOM;
+ spin_unlock(>f_lock);
> static void shrink_readahead_size_eio(struct file *filp,
> struct file_ra_state *ra)
> {
> - ra->ra_pages /= 4;
> + spin_lock(>f_lock);
> + filp->f_mode |= FMODE_RANDOM;
> + spin_unlock(>f_lock);
>
> As the example in comment
static void shrink_readahead_size_eio(struct file *filp,
struct file_ra_state *ra)
{
- ra-ra_pages /= 4;
+ spin_lock(filp-f_lock);
+ filp-f_mode |= FMODE_RANDOM;
+ spin_unlock(filp-f_lock);
As the example in comment above
On 10/26/2012 02:58 PM, Fengguang Wu wrote:
static void shrink_readahead_size_eio(struct file *filp,
struct file_ra_state *ra)
{
- ra-ra_pages /= 4;
+ spin_lock(filp-f_lock);
+ filp-f_mode |= FMODE_RANDOM;
+
On Fri, Oct 26, 2012 at 03:03:12PM +0800, Ni zhan Chen wrote:
On 10/26/2012 02:58 PM, Fengguang Wu wrote:
static void shrink_readahead_size_eio(struct file *filp,
struct file_ra_state *ra)
{
- ra-ra_pages /= 4;
+
On 10/26/2012 03:09 PM, Fengguang Wu wrote:
On Fri, Oct 26, 2012 at 03:03:12PM +0800, Ni zhan Chen wrote:
On 10/26/2012 02:58 PM, Fengguang Wu wrote:
static void shrink_readahead_size_eio(struct file *filp,
struct file_ra_state *ra)
{
-
On Fri, Oct 26, 2012 at 03:19:57PM +0800, Ni zhan Chen wrote:
On 10/26/2012 03:09 PM, Fengguang Wu wrote:
On Fri, Oct 26, 2012 at 03:03:12PM +0800, Ni zhan Chen wrote:
On 10/26/2012 02:58 PM, Fengguang Wu wrote:
static void shrink_readahead_size_eio(struct file *filp,
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:
On Fri, Oct 26, 2012 at 03:03:12PM +0800, Ni zhan Chen wrote:
On 10/26/2012 02:58 PM, Fengguang Wu wrote:
static void
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:
On Fri, Oct 26, 2012 at 03:03:12PM +0800, Ni zhan Chen wrote:
On 10/26/2012 02:58
On 10/26/2012 04:02 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:
On Fri, Oct 26, 2012 at 03:03:12PM
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,
>> >>
>> >> > But how can bdi related
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:
On Fri, Oct 26, 2012 at 11:25:44AM +1100, Dave Chinner 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,
> >>
> >> > But how can bdi related ra_pages reflect different files' readahead
> >> > window? Maybe
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:
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
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 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 reflect different files' readahead
window? Maybe these different files are
On 10/26/2012 08:25 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.
It's simple: sequential reads
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 reflect different files' readahead
> > > window? Maybe these different files are sequential read, random read
> > >
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.
>
> It's simple: sequential reads will get ra_pages readahead
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.
It's simple: sequential reads will get ra_pages readahead size
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 reflect different files' readahead
window? Maybe these different files are sequential read, random read
and so on.
On 10/26/2012 08:25 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.
It's simple: sequential reads
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 reflect different files' readahead
window? Maybe these different files are
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 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 Chinner wrote:
On Thu, Oct 25, 2012 at 10:58:26AM +0800, Fengguang Wu wrote:
Hi
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,
But how can bdi related ra_pages reflect different files' readahead
window?
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,
But
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
random reads will not get readahead at all.
Talking about the
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
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 about this?
Yeah the two ra_pages may run out of sync for
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 4:19 AM, Dave Chinner
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 4:19 AM, Dave Chinner wrote:
On Wed, Oct 24, 2012 at 07:53:59AM +0800, YingHang Zhu wrote:
Hi Dave,
On Wed,
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 Wed, Oct 24, 2012 at 6:47 AM,
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 Wed, Oct 24, 2012 at 6:47 AM, Dave Chinner wrote:
> >> > On Tue, Oct 23, 2012 at 08:46:51PM
On 10/25/2012 08:17 AM, 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 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 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,
>> >> Recently we ran into the bug
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,
> >> Recently we ran into the bug that an opened file's ra_pages does not
> >> synchronize with
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 we ran into the bug that an opened file's ra_pages does not
synchronize
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 10/25/2012 08:17 AM, 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 24, 2012 at 6:47 AM, Dave Chinner da...@fromorbit.com wrote:
On Tue, Oct 23, 2012 at
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 24, 2012 at 6:47 AM, Dave Chinner da...@fromorbit.com wrote:
On Tue,
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 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, Dave Chinner da...@fromorbit.com wrote:
On Wed, Oct 24, 2012 at 07:53:59AM +0800,
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,
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 about this?
Yeah the two ra_pages may run out of sync for already
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,
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
random reads will not get readahead at all.
Talking about the
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 9:21 PM, Ni zhan Chen
>> wrote:
>>>
>>> On
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 wrote:
On 10/23/2012 08:46 PM, Ying Zhu wrote:
Hi,
Recently we ran into the bug that an opened file's
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,
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, the application needs to reopen the file
> to know the change,
or
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
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 it's backing device's when the latter is changed
with blockdev --setra, the application needs to reopen the file
to know the change, which is inappropriate under
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, the application needs to reopen the file
to know the change, which is inappropriate under our circumstances.
This bug is also
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, the application needs to reopen the file
to know the change, which is inappropriate under our circumstances.
This bug is also
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 it's backing device's when the latter is changed
with blockdev --setra, the application needs to reopen the file
to know the change, which is inappropriate under
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
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, the application needs to reopen the file
to know the change,
or simply
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
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...@gmail.com wrote:
On 10/23/2012 08:46 PM, Ying Zhu wrote:
Hi,
Recently we ran into the bug
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
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