Re: [PATCH] kernel: export task_work_add

Ming Lei
2022-09-07T00:45:09Z

On Mon, Aug 29, 2022 at 12:00:13PM +0800, Ming Lei wrote:
> Firstly task_work_add() is used in several drivers. In ublk driver's
> usage, request batching submission can only be applied with task_work_add,
> and usually get better IOPS.
>
> Secondly from this API's definition, the added work is always run in
> the task context, and when task is exiting, either the work is rejected
> to be added, or drained in do_exit(). In this way, not see obvious
> disadvantage or potential issue by exporting it for module's usage.
>
> So export it, then ublk driver can get simplified, meantime with better
> performance.
>
> Cc: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Ming Lei <ming.lei@redhat.com>

Hello Guys,

Gentle ping...

Thanks,
Ming