[Gluster-devel] Adding one variable to inode structure

Tahereh Fattahi t28.fattahi at gmail.com
Mon Jun 5 05:54:19 UTC 2017


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

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
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.gluster.org/pipermail/gluster-devel/attachments/20170605/ff2701b3/attachment.html>


More information about the Gluster-devel mailing list