From: Jens Axboe <axboe@kernel.dk>
To: jack@suse.cz, osandov@fb.com, yukuai1@huaweicloud.com
Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
yi.zhang@huawei.com, yukuai3@huawei.com
Subject: Re: [PATCH] sbitmap: fix possible io hung due to lost wakeup
Date: Tue, 23 Aug 2022 07:37:48 -0600 [thread overview]
Message-ID: <166126186831.27028.2544657181662350295.b4-ty@kernel.dk> (raw)
In-Reply-To: <20220803121504.212071-1-yukuai1@huaweicloud.com>
On Wed, 3 Aug 2022 20:15:04 +0800, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@huawei.com>
>
> There are two problems can lead to lost wakeup:
>
> 1) invalid wakeup on the wrong waitqueue:
>
> For example, 2 * wake_batch tags are put, while only wake_batch threads
> are woken:
>
> [...]
Applied, thanks!
[1/1] sbitmap: fix possible io hung due to lost wakeup
commit: 040b83fcecfb86f3225d3a5de7fd9b3fbccf83b4
Best regards,
--
Jens Axboe
next prev parent reply other threads:[~2022-08-23 17:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-03 12:15 [PATCH] sbitmap: fix possible io hung due to lost wakeup Yu Kuai
2022-08-13 5:58 ` Yu Kuai
2022-08-23 13:37 ` Jens Axboe [this message]
2022-09-06 21:27 ` Keith Busch
2022-09-07 1:12 ` Yu Kuai
2022-09-07 10:23 ` Jan Kara
2022-09-07 14:13 ` Keith Busch
2022-09-07 16:41 ` Jan Kara
2022-09-07 18:20 ` Keith Busch
2022-09-08 9:33 ` Jan Kara
2022-09-08 9:45 ` Yu Kuai
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=166126186831.27028.2544657181662350295.b4-ty@kernel.dk \
--to=axboe@kernel.dk \
--cc=jack@suse.cz \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=osandov@fb.com \
--cc=yi.zhang@huawei.com \
--cc=yukuai1@huaweicloud.com \
--cc=yukuai3@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.