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From: Jens Axboe <axboe@kernel.dk>
To: Coly Li <colyli@suse.de>,
	linux-bcache@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH 1/1] bcache: use llist_for_each_entry_safe() in __closure_wake_up()
Date: Wed, 27 Sep 2017 22:29:06 +0200	[thread overview]
Message-ID: <abf60c6e-f735-739d-7341-280659760f61@kernel.dk> (raw)
In-Reply-To: <20170926095412.74028-2-colyli@suse.de>

On 09/26/2017 11:54 AM, Coly Li wrote:
> Commit 09b3efec ("bcache: Don't reinvent the wheel but use existing llist
> API") replaces the following while loop by llist_for_each_entry(),

If it's fixing a specific commit, please add a proper

Fixes: sha ("title")

line to your patch. That way automated scripts can pick it up, if they
backport the problematic patch.

Also, as mentioned in the other email, this is technically a
use-after-free problem, not a race.

Can you resend with commit message fixed up?

-- 
Jens Axboe

      parent reply	other threads:[~2017-09-27 20:29 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-26  9:54 [PATCH 0/1] bcache fix for 4.14-rc4 Coly Li
2017-09-26  9:54 ` [PATCH 1/1] bcache: use llist_for_each_entry_safe() in __closure_wake_up() Coly Li
2017-09-27 19:16   ` Coly Li
2017-09-27 20:27     ` Jens Axboe
2017-09-27 20:48       ` Michael Lyle
2017-09-27 20:52         ` Jens Axboe
2017-09-28  0:46           ` Coly Li
2017-09-27 20:29   ` Jens Axboe [this message]

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