[Gluster-devel] DHT xlator, read and write a file during creating a new file

Tahereh Fattahi t28.fattahi at gmail.com
Wed May 3 06:50:03 UTC 2017

Thank you
I need this information divided to bricks.

On Tue, May 2, 2017 at 11:07 PM, Vijay Bellur <vbellur at redhat.com> wrote:

> On Tue, May 2, 2017 at 8:00 AM, Tahereh Fattahi <t28.fattahi at gmail.com>
> wrote:
>> Hi
>> I want to use a file as a counter when I create a file in dht xlator.
>> I mean, after creating a new file,  I want open a file in the same
>> directory with a special name, read that, update the counter and write
>> back.
>> I think for this purpose I  should open in dht_create_cbk, read in
>> dht_open_cbk and write in dht_readv_cbk.
>> I think I should use dht_open , dht_readv and dht_writev. Maybe I could
>> create inputs for these function expect frame! is it correct to use the
>> frame fro dht_create function?
>> Is this scenario correct or there is better way?
> Have you tried the object count feature [1] ?
> Regards,
> Vijay
> [1] http://gluster-documentations.readthedocs.io/en/latest/
> Features/quota-object-count/
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