Re: [PATCH] kthread: Export kthread_data()

[Waiman Long]

On 02/13/2018 10:50 AM, Christoph Hellwig wrote:
> On Fri, Feb 09, 2018 at 09:52:21AM -0500, Waiman Long wrote:
>> When multiple kernel threads are created to cooperatively work on
>> a common task, we may need a convenient way to access data that are
>> specific to each kthread.
>>
>> The kthread_data() function fits this need.  However, it was not
>> visible to kthreads started in a kernel module. To solve this problem,
>> the kthread_data() function is now exported allowing kthreads from
>> kernel modules to use it.
> Please send this along wit hthe actual user of it.

It is the developers of the dm-vdo/kvdo modules that would like to use
the kthread_data() function. See

https://github.com/dm-vdo/kvdo

Those modules have a bunch of kernel threads working on block storage
deduplication/compression.

-Longman