Re: [PATCH] loop: add WQ_MEM_RECLAIM flag to per device workqueue

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To: Tejun Heo <tj@xxxxxxxxxx>
Subject: Re: [PATCH] loop: add WQ_MEM_RECLAIM flag to per device workqueue
From: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Date: Tue, 22 Mar 2022 08:17:43 +0900
Cc: Dan Schatzberg <schatzberg.dan@xxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Ming Lei <ming.lei@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Christoph Hellwig <hch@xxxxxx>, linux-block <linux-block@xxxxxxxxxxxxxxx>, linux-xfs <linux-xfs@xxxxxxxxxxxxxxx>
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On 2022/03/22 8:04, Tejun Heo wrote:
> But why are you dropping the flag from their intended users?

As far as I can see, the only difference __WQ_LEGACY makes is whether
"workqueue: WQ_MEM_RECLAIM %s:%ps is flushing !WQ_MEM_RECLAIM %s:%ps"
warning is printed or not. What are the intended users?

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- [PATCH] loop: add WQ_MEM_RECLAIM flag to per device workqueue
  - From: Tetsuo Handa
- Re: [PATCH] loop: add WQ_MEM_RECLAIM flag to per device workqueue
  - From: Dan Schatzberg
- Re: [PATCH] loop: add WQ_MEM_RECLAIM flag to per device workqueue
  - From: Tetsuo Handa
- Re: [PATCH] loop: add WQ_MEM_RECLAIM flag to per device workqueue
  - From: Tejun Heo
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  - From: Tetsuo Handa
- Re: [PATCH] loop: add WQ_MEM_RECLAIM flag to per device workqueue
  - From: Tejun Heo
- Re: [PATCH] loop: add WQ_MEM_RECLAIM flag to per device workqueue
  - From: Tetsuo Handa
- Re: [PATCH] loop: add WQ_MEM_RECLAIM flag to per device workqueue
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