Re: [PATCH 1/2] workqueue: Add a helper to identify current workqueue

[Tejun Heo <tj@kernel.org>]

On Mon, Jul 07, 2025 at 02:46:03PM -0400, Benjamin Coddington wrote:
> Introduce a new helper current_workqueue() which returns the current task's
> workqueue pointer or NULL if not a workqueue worker.
> 
> This will allow the NFS client to recognize the case where writeback occurs
> within the nfsiod workqueue or is being submitted directly.  NFS would like
> to change the GFP_ flags for memory allocation to avoid stalls or cycles in
> memory pools based on which context writeback is occurring.  In a following
> patch, this helper detects the case rather than checking the PF_WQ_WORKER
> flag which can be passed along from another workqueue worker.

There's already current_work(). Wouldn't that be enough for identifying
whether the current work item?

Thanks.

-- 
tejun