Re: [PATCH 11/23] md/md-bitmap: make method bitmap_ops->daemon_work optional

[Hannes Reinecke <hare@suse.de>]

On 5/24/25 08:13, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@huawei.com>
> 
> daemon_work() will be called by daemon thread, on the one hand, daemon
> thread doesn't have strict wake-up time; on the other hand, too much
> work are put to daemon thread, like handle sync IO, handle failed
> or specail normal IO, handle recovery, and so on. Hence daemon thread
> may be too busy to clear dirty bits in time.
> 
> Make bitmap_ops->daemon_work() optional and following patches will use
> separate async work to clear dirty bits for the new bitmap.
> 
Why not move it to a workqueue in general?
The above argument is valid even for the current implementation, no?

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@suse.de                                +49 911 74053 688
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