Re: submit_bio() flush to disk immediately

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On Tue, Aug 6, 2013 at 1:27 PM, Prashant Shah <pshah.mumbai@xxxxxxxxx> wrote:
> Hi,
>
> On Tue, Aug 6, 2013 at 1:23 PM, Rajat Sharma <fs.rajat@xxxxxxxxx> wrote:
>> Most likely you are getting stale data from filesystem page-cache.
>> Please don't use cat, use dd with iflag/oflag=direct.
>>
>
> I have no control over how users will read it :(
>

Why do you want to modify blocks of a file, without filesystem knowing
about it? What are you trying to achieve here?

> Regards

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