On Wed, Aug 07, 2013 at 07:45:17AM +, Dilger, Andreas wrote:
> The problem still remains that the kernel loop driver eventually depends on
> a local block device for the pages/bios to be written. The Lustre lloop
> driver bypasses the VFS and block layer to generate RPCs from the submitted
>
On Wed, Aug 07, 2013 at 07:45:17AM +, Dilger, Andreas wrote:
The problem still remains that the kernel loop driver eventually depends on
a local block device for the pages/bios to be written. The Lustre lloop
driver bypasses the VFS and block layer to generate RPCs from the submitted
On 2013/08/02 4:49 AM, "Christoph Hellwig" wrote:
>On Thu, Aug 01, 2013 at 07:57:22PM +, Dilger, Andreas wrote:
>> It provides significant performance improvement for network IO on
>>Lustre.
>> It bypasses DLM locking in Lustre and the VFS layer on the client,
>>copying
>> in the loop driver,
On 2013/08/02 4:49 AM, Christoph Hellwig h...@infradead.org wrote:
On Thu, Aug 01, 2013 at 07:57:22PM +, Dilger, Andreas wrote:
It provides significant performance improvement for network IO on
Lustre.
It bypasses DLM locking in Lustre and the VFS layer on the client,
copying
in the loop
On Thu, Aug 01, 2013 at 07:57:22PM +, Dilger, Andreas wrote:
> It provides significant performance improvement for network IO on Lustre.
> It bypasses DLM locking in Lustre and the VFS layer on the client, copying
> in the loop driver, and page-by-page IO submission in the normal IO path.
On Thu, Aug 01, 2013 at 07:57:22PM +, Dilger, Andreas wrote:
It provides significant performance improvement for network IO on Lustre.
It bypasses DLM locking in Lustre and the VFS layer on the client, copying
in the loop driver, and page-by-page IO submission in the normal IO path.
Part
On Fri, Aug 02, 2013 at 10:20:28AM +0800, Xiong Zhou wrote:
>
>
> On Wed, 31 Jul 2013, Greg Kroah-Hartman wrote:
>
> > On Wed, Jul 31, 2013 at 10:30:41AM +0800, Xiong Zhou wrote:
> > > From: Xiong Zhou
> > >
> > > First version of this patch makes LUSTRE_FS depends on BLOCK. Second
> > >
On Wed, 31 Jul 2013, Greg Kroah-Hartman wrote:
> On Wed, Jul 31, 2013 at 10:30:41AM +0800, Xiong Zhou wrote:
> > From: Xiong Zhou
> >
> > First version of this patch makes LUSTRE_FS depends on BLOCK. Second
> > version makes only lloop depends on BLOCK with a config option for this
> >
On 2013/08/01 2:45 AM, "Christoph Hellwig" wrote:
>On Tue, Jul 30, 2013 at 08:29:51AM +0800, Xiong Zhou wrote:
>> From: Xiong Zhou
>>
>> In the lustre client driver, lloop depends on BLOCK. Add an
>> option for this dependence. Last version of this patch makes
>> LUSTRE_FS depends on BLOCK.
>>
On Tue, Jul 30, 2013 at 08:29:51AM +0800, Xiong Zhou wrote:
> From: Xiong Zhou
>
> In the lustre client driver, lloop depends on BLOCK. Add an
> option for this dependence. Last version of this patch makes
> LUSTRE_FS depends on BLOCK.
> Remove unnecessary jdb head files which depends on BLOCK.
On Wed, Jul 31, 2013 at 10:30:41AM +0800, Xiong Zhou wrote:
> From: Xiong Zhou
>
> First version of this patch makes LUSTRE_FS depends on BLOCK. Second
> version makes only lloop depends on BLOCK with a config option for this
> dependence, and remove unnecessary jdb header files which depends
On Wed, Jul 31, 2013 at 10:30:41AM +0800, Xiong Zhou wrote:
From: Xiong Zhou jencce.ker...@gmail.com
First version of this patch makes LUSTRE_FS depends on BLOCK. Second
version makes only lloop depends on BLOCK with a config option for this
dependence, and remove unnecessary jdb header
On Tue, Jul 30, 2013 at 08:29:51AM +0800, Xiong Zhou wrote:
From: Xiong Zhou jencce.ker...@gmail.com
In the lustre client driver, lloop depends on BLOCK. Add an
option for this dependence. Last version of this patch makes
LUSTRE_FS depends on BLOCK.
Remove unnecessary jdb head files which
On 2013/08/01 2:45 AM, Christoph Hellwig h...@infradead.org wrote:
On Tue, Jul 30, 2013 at 08:29:51AM +0800, Xiong Zhou wrote:
From: Xiong Zhou jencce.ker...@gmail.com
In the lustre client driver, lloop depends on BLOCK. Add an
option for this dependence. Last version of this patch makes
On Wed, 31 Jul 2013, Greg Kroah-Hartman wrote:
On Wed, Jul 31, 2013 at 10:30:41AM +0800, Xiong Zhou wrote:
From: Xiong Zhou jencce.ker...@gmail.com
First version of this patch makes LUSTRE_FS depends on BLOCK. Second
version makes only lloop depends on BLOCK with a config option for
On Fri, Aug 02, 2013 at 10:20:28AM +0800, Xiong Zhou wrote:
On Wed, 31 Jul 2013, Greg Kroah-Hartman wrote:
On Wed, Jul 31, 2013 at 10:30:41AM +0800, Xiong Zhou wrote:
From: Xiong Zhou jencce.ker...@gmail.com
First version of this patch makes LUSTRE_FS depends on BLOCK. Second
On Tue, 30 Jul 2013, Peng Tao wrote:
> On Tue, Jul 30, 2013 at 8:29 AM, Xiong Zhou wrote:
> > From: Xiong Zhou
> >
> > In the lustre client driver, lloop depends on BLOCK. Add an
> > option for this dependence. Last version of this patch makes
> > LUSTRE_FS depends on BLOCK.
> > Remove
On Tue, Jul 30, 2013 at 8:29 AM, Xiong Zhou wrote:
> From: Xiong Zhou
>
> In the lustre client driver, lloop depends on BLOCK. Add an
> option for this dependence. Last version of this patch makes
> LUSTRE_FS depends on BLOCK.
> Remove unnecessary jdb head files which depends on BLOCK.
>
Thanks
On Tue, Jul 30, 2013 at 8:29 AM, Xiong Zhou jencce.ker...@gmail.com wrote:
From: Xiong Zhou jencce.ker...@gmail.com
In the lustre client driver, lloop depends on BLOCK. Add an
option for this dependence. Last version of this patch makes
LUSTRE_FS depends on BLOCK.
Remove unnecessary jdb head
On Tue, 30 Jul 2013, Peng Tao wrote:
On Tue, Jul 30, 2013 at 8:29 AM, Xiong Zhou jencce.ker...@gmail.com wrote:
From: Xiong Zhou jencce.ker...@gmail.com
In the lustre client driver, lloop depends on BLOCK. Add an
option for this dependence. Last version of this patch makes
LUSTRE_FS
From: Xiong Zhou
In the lustre client driver, lloop depends on BLOCK. Add an
option for this dependence. Last version of this patch makes
LUSTRE_FS depends on BLOCK.
Remove unnecessary jdb head files which depends on BLOCK.
Signed-off-by: Xiong Zhou
---
drivers/staging/lustre/lustre/Kconfig
From: Xiong Zhou jencce.ker...@gmail.com
In the lustre client driver, lloop depends on BLOCK. Add an
option for this dependence. Last version of this patch makes
LUSTRE_FS depends on BLOCK.
Remove unnecessary jdb head files which depends on BLOCK.
Signed-off-by: Xiong Zhou
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