Re: Triggering readpages operation

["Layton, Evan J" <evan.j.layton@xxxxxxxxx>]

No it's showing up as being 32. However I'm not really manipulating
anything in a backing_dev_info structure and just taking the defaults so
perhaps that's what I'm missing?

-evan

(By the way nice last name :)

On 7/26/12 5:32 AM, "Jeff Layton" <jlayton@xxxxxxxxxx> wrote:

>On Wed, 25 Jul 2012 19:59:26 +0000
>"Layton, Evan J" <evan.j.layton@xxxxxxxxx> wrote:
>
>> 
>> I'm working on a project at intel and working on a better understanding
>>of "file system" operations specifically triggering readpages. However I
>>have not been able to figure out how to drive or force the file system
>>to use readpages. I had thought that readahead() would allow me to do
>>this but it's not driving readpages and just goes down the readpage
>>path. Any suggestions on the best way to get the file system to trigger
>>this operation?
>> 
>> Thanks,
>> -evan
>
>
>Is your bdi->ra_pages value set to 0?
>
>-- 
>Jeff Layton <jlayton@xxxxxxxxxx>

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