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
