linux-kernel - Re: [PATCH v2] FAT: use schedule_timeout_uninterruptible() instead of congestion

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Date:   Mon, 13 Dec 2021 11:45:31 +0900
From:   OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:     "NeilBrown" <neilb@...e.de>
Cc:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        "Christoph Hellwig" <hch@...radead.org>
Subject: Re: [PATCH v2] FAT: use schedule_timeout_uninterruptible() instead
 of congestion_wait()

"NeilBrown" <neilb@...e.de> writes:

> On Sat, 11 Dec 2021, OGAWA Hirofumi wrote:
>> "NeilBrown" <neilb@...e.de> writes:
>> 
>> > congestion_wait() in this context is just a sleep - block devices do not
>> > in general support congestion signalling any more.
>> >
>> > The goal here is to wait for any recently written data to get to
>> > storage.  blkdev_issue_flush() is thought to be too expensive, so
>> > replace congestion_wait() with an explicit timeout.
>> 
>> If just replace, the following looks better
>> 
>> 	set_current_state(TASK_UNINTERRUPTIBLE);
>> 	io_schedule_timeout(HZ/10);
>> 
>> Otherwise,
>> 
>> Acked-by: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
>
> Thanks.
> According to MAINTAINERS, I should send patches for this code to you,
> with the implication (I assumed) that you would forwarded them upstream
> if acceptable.
> But the fact that you have send mt an Acked-By seems to suggest that you
> won't be doing that.
> To whom should I send this patch with your acked-by?

Ah, sorry. I have no repository. So FAT patches goes to linus tree via
akpm's help.

So "Cc: Andrew Morton <akpm@...ux-foundation.org>" and my Acked-by
should work (or I will Cc as reply if need).

Thanks.
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>