[Gluster-devel] Adding one variable to inode structure

[Tahereh Fattahi]

I want in in mount directory in client side

On Mon, Jun 5, 2017 at 11:07 AM, Pranith Kumar Karampuri <
pkarampu at redhat.com> wrote:

>
>
> On Mon, Jun 5, 2017 at 11:24 AM, Tahereh Fattahi <t28.fattahi at gmail.com>
> wrote:
>
>> Thank you
>> I see that this xlator is loaded in server side.
>> How can I access to variable in index xlator in client side?
>> is it correct? getfattr trusted.index.myvar
>>
>
> To which xlator do you want this information? Or do you want this on mount?
>
>
>>
>> On Mon, Jun 5, 2017 at 10:00 AM, Pranith Kumar Karampuri <
>> pkarampu at redhat.com> wrote:
>>
>>>
>>>
>>> On Mon, Jun 5, 2017 at 9:55 AM, Tahereh Fattahi <t28.fattahi at gmail.com>
>>> wrote:
>>>
>>>> Assume that one client wants to search it's directories for video files.
>>>>  I want use something that helps this client to search just directories
>>>> that have this kind of file.
>>>> like a extended attribute, but I want this attribute be set by server
>>>> not by client.
>>>> I dont know which xlator is suitable for this work.
>>>>
>>>
>>> The xlator that comes close to it is:  index xlator
>>> xlators/features/index/src
>>>
>>> You may have to track extra operations like
>>> create/mknod/link/rename/unlink to make sure you get the functionality
>>> you want. Basically this xlator helps you in indexing a behavior. We use
>>> this for indexing directories/files that need heal etc.
>>>
>>>
>>>>
>>>> On Mon, Jun 5, 2017 at 7:13 AM, Pranith Kumar Karampuri <
>>>> pkarampu at redhat.com> wrote:
>>>>
>>>>> This sounds hacky. In general anything that is specific about an
>>>>> inode, we try to store it in inode-ctx. Who uses this information about
>>>>> presence of video-file and how? May be with that knowledge there could be a
>>>>> possibility we can improve the solution. Do let us know the complete
>>>>> problem you are trying to solve.
>>>>>
>>>>> On Mon, Jun 5, 2017 at 4:53 AM, Tahereh Fattahi <t28.fattahi at gmail.com
>>>>> > wrote:
>>>>>
>>>>>> Hi
>>>>>> I want to add one boolean field to inode structure for a directory.
>>>>>>  when it is 1 it means that directory has one or more video file.
>>>>>> when it is 0 it means that there is no video file in that directory.
>>>>>> I can add this variable to inode structure and update it in server
>>>>>> side, in posix_create function (when there is a create request for a video
>>>>>> file).
>>>>>> question is about client knowledge about this variable. is it
>>>>>> possible that client can see the amount of this variable of different
>>>>>> servers (bricks) and OR them to one variable in cient's inode of the
>>>>>> directory? in which xlator I should try in client side?
>>>>>>
>>>>>> _______________________________________________
>>>>>> Gluster-devel mailing list
>>>>>> Gluster-devel at gluster.org
>>>>>> http://lists.gluster.org/mailman/listinfo/gluster-devel
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Pranith
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Pranith
>>>
>>
>>
>
>
> --
> Pranith
>
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