2012/12/5, Wanpeng Li :
> Hi Namjae,
>
> How about set bdi->dirty_background_bytes according to bdi_thresh? I found
> an issue during background flush process when review codes, if over
> background
> flush threshold, wb_check_background_flush will kick a work to current
> per-bdi
> flusher, but
2012/12/5, Wanpeng Li liw...@linux.vnet.ibm.com:
Hi Namjae,
How about set bdi-dirty_background_bytes according to bdi_thresh? I found
an issue during background flush process when review codes, if over
background
flush threshold, wb_check_background_flush will kick a work to current
per-bdi
2012/10/22, Dave Chinner :
> On Fri, Oct 19, 2012 at 04:51:05PM +0900, Namjae Jeon wrote:
>> Hi Dave.
>>
>> Test Procedure:
>>
>> 1) Local USB disk WRITE speed on NFS server is ~25 MB/s
>>
>> 2) Run WRITE test(create 1 GB file) on NFS Client with default
>> writeback settings on NFS Server. By
2012/10/22, Dave Chinner da...@fromorbit.com:
On Fri, Oct 19, 2012 at 04:51:05PM +0900, Namjae Jeon wrote:
Hi Dave.
Test Procedure:
1) Local USB disk WRITE speed on NFS server is ~25 MB/s
2) Run WRITE test(create 1 GB file) on NFS Client with default
writeback settings on NFS Server. By
On Fri, Oct 19, 2012 at 04:51:05PM +0900, Namjae Jeon wrote:
> Hi Dave.
>
> Test Procedure:
>
> 1) Local USB disk WRITE speed on NFS server is ~25 MB/s
>
> 2) Run WRITE test(create 1 GB file) on NFS Client with default
> writeback settings on NFS Server. By default
> bdi->dirty_background_bytes
On Fri, Oct 19, 2012 at 04:51:05PM +0900, Namjae Jeon wrote:
Hi Dave.
Test Procedure:
1) Local USB disk WRITE speed on NFS server is ~25 MB/s
2) Run WRITE test(create 1 GB file) on NFS Client with default
writeback settings on NFS Server. By default
bdi-dirty_background_bytes = 0, that
Hi Dave.
Test Procedure:
1) Local USB disk WRITE speed on NFS server is ~25 MB/s
2) Run WRITE test(create 1 GB file) on NFS Client with default
writeback settings on NFS Server. By default
bdi->dirty_background_bytes = 0, that means no change in default
writeback behaviour
3) Next we change
Hi Dave.
Test Procedure:
1) Local USB disk WRITE speed on NFS server is ~25 MB/s
2) Run WRITE test(create 1 GB file) on NFS Client with default
writeback settings on NFS Server. By default
bdi-dirty_background_bytes = 0, that means no change in default
writeback behaviour
3) Next we change
2012/9/27, Jan Kara :
> On Thu 27-09-12 15:00:18, Namjae Jeon wrote:
>> 2012/9/27, Jan Kara :
>> > On Thu 27-09-12 00:56:02, Wu Fengguang wrote:
>> >> On Tue, Sep 25, 2012 at 12:23:06AM +0200, Jan Kara wrote:
>> >> > On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
>> >> > > On Sun, Sep 16, 2012 at
On Thu 27-09-12 15:00:18, Namjae Jeon wrote:
> 2012/9/27, Jan Kara :
> > On Thu 27-09-12 00:56:02, Wu Fengguang wrote:
> >> On Tue, Sep 25, 2012 at 12:23:06AM +0200, Jan Kara wrote:
> >> > On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
> >> > > On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon
2012/9/27, Jan Kara :
> On Thu 27-09-12 00:56:02, Wu Fengguang wrote:
>> On Tue, Sep 25, 2012 at 12:23:06AM +0200, Jan Kara wrote:
>> > On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
>> > > On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
>> > > > From: Namjae Jeon
>> > > >
>> > > >
2012/9/27, Jan Kara j...@suse.cz:
On Thu 27-09-12 00:56:02, Wu Fengguang wrote:
On Tue, Sep 25, 2012 at 12:23:06AM +0200, Jan Kara wrote:
On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
From: Namjae Jeon namjae.j...@samsung.com
On Thu 27-09-12 15:00:18, Namjae Jeon wrote:
2012/9/27, Jan Kara j...@suse.cz:
On Thu 27-09-12 00:56:02, Wu Fengguang wrote:
On Tue, Sep 25, 2012 at 12:23:06AM +0200, Jan Kara wrote:
On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon
2012/9/27, Jan Kara j...@suse.cz:
On Thu 27-09-12 15:00:18, Namjae Jeon wrote:
2012/9/27, Jan Kara j...@suse.cz:
On Thu 27-09-12 00:56:02, Wu Fengguang wrote:
On Tue, Sep 25, 2012 at 12:23:06AM +0200, Jan Kara wrote:
On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
On Sun, Sep 16, 2012
On Thu 27-09-12 00:56:02, Wu Fengguang wrote:
> On Tue, Sep 25, 2012 at 12:23:06AM +0200, Jan Kara wrote:
> > On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
> > > On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
> > > > From: Namjae Jeon
> > > >
> > > > This patch is based on
On Tue, Sep 25, 2012 at 12:23:06AM +0200, Jan Kara wrote:
> On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
> > On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
> > > From: Namjae Jeon
> > >
> > > This patch is based on suggestion by Wu Fengguang:
> > >
On Tue, Sep 25, 2012 at 12:23:06AM +0200, Jan Kara wrote:
On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
From: Namjae Jeon namjae.j...@samsung.com
This patch is based on suggestion by Wu Fengguang:
On Thu 27-09-12 00:56:02, Wu Fengguang wrote:
On Tue, Sep 25, 2012 at 12:23:06AM +0200, Jan Kara wrote:
On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
From: Namjae Jeon namjae.j...@samsung.com
This patch is based on
2012/9/25, Namjae Jeon :
> 2012/9/25, Dave Chinner :
>> On Thu, Sep 20, 2012 at 04:44:22PM +0800, Fengguang Wu wrote:
>>> [ CC FS and MM lists ]
>>>
>>> Patch looks good to me, however we need to be careful because it's
>>> introducing a new interface. So it's desirable to get some acks from
>>>
2012/9/25, Jan Kara :
> On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
>> On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
>> > From: Namjae Jeon
>> >
>> > This patch is based on suggestion by Wu Fengguang:
>> > https://lkml.org/lkml/2011/8/19/19
>> >
>> > kernel has mechanism to do
2012/9/25, Dave Chinner :
> On Thu, Sep 20, 2012 at 04:44:22PM +0800, Fengguang Wu wrote:
>> [ CC FS and MM lists ]
>>
>> Patch looks good to me, however we need to be careful because it's
>> introducing a new interface. So it's desirable to get some acks from
>> the FS/MM developers.
>>
>>
2012/9/25, Dave Chinner da...@fromorbit.com:
On Thu, Sep 20, 2012 at 04:44:22PM +0800, Fengguang Wu wrote:
[ CC FS and MM lists ]
Patch looks good to me, however we need to be careful because it's
introducing a new interface. So it's desirable to get some acks from
the FS/MM developers.
2012/9/25, Jan Kara j...@suse.cz:
On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
From: Namjae Jeon namjae.j...@samsung.com
This patch is based on suggestion by Wu Fengguang:
https://lkml.org/lkml/2011/8/19/19
kernel has
2012/9/25, Namjae Jeon linkinj...@gmail.com:
2012/9/25, Dave Chinner da...@fromorbit.com:
On Thu, Sep 20, 2012 at 04:44:22PM +0800, Fengguang Wu wrote:
[ CC FS and MM lists ]
Patch looks good to me, however we need to be careful because it's
introducing a new interface. So it's desirable to
On Thu, Sep 20, 2012 at 04:44:22PM +0800, Fengguang Wu wrote:
> [ CC FS and MM lists ]
>
> Patch looks good to me, however we need to be careful because it's
> introducing a new interface. So it's desirable to get some acks from
> the FS/MM developers.
>
> Thanks,
> Fengguang
>
> On Sun, Sep
On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
> On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
> > From: Namjae Jeon
> >
> > This patch is based on suggestion by Wu Fengguang:
> > https://lkml.org/lkml/2011/8/19/19
> >
> > kernel has mechanism to do writeback as per dirty_ratio
On Thu 20-09-12 16:44:22, Wu Fengguang wrote:
On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
From: Namjae Jeon namjae.j...@samsung.com
This patch is based on suggestion by Wu Fengguang:
https://lkml.org/lkml/2011/8/19/19
kernel has mechanism to do writeback as per
On Thu, Sep 20, 2012 at 04:44:22PM +0800, Fengguang Wu wrote:
[ CC FS and MM lists ]
Patch looks good to me, however we need to be careful because it's
introducing a new interface. So it's desirable to get some acks from
the FS/MM developers.
Thanks,
Fengguang
On Sun, Sep 16, 2012 at
[ CC FS and MM lists ]
Patch looks good to me, however we need to be careful because it's
introducing a new interface. So it's desirable to get some acks from
the FS/MM developers.
Thanks,
Fengguang
On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
> From: Namjae Jeon
>
> This
[ CC FS and MM lists ]
Patch looks good to me, however we need to be careful because it's
introducing a new interface. So it's desirable to get some acks from
the FS/MM developers.
Thanks,
Fengguang
On Sun, Sep 16, 2012 at 08:25:42AM -0400, Namjae Jeon wrote:
From: Namjae Jeon
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