linux-kernel - Re: [REGRESSION] bfq probe failed on 4.19-rc3

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Message-ID: <8b5a7dc9-2dc1-16ee-4b05-a72eb6680c77@kernel.dk>
Date:   Tue, 11 Sep 2018 10:09:44 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Takashi Iwai <tiwai@...e.de>,
        Paolo Valente <paolo.valente@...aro.org>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION] bfq probe failed on 4.19-rc3

On 9/11/18 10:03 AM, Takashi Iwai wrote:
> Hi,
> 
> I noticed that bfq doesn't appear in the I/O scheduler list on
> 4.19-rc3.  It seems that blkcg_policy_register() at the beginning of
> bfq_init() returns -ENOSPC, hence the probe aborts silently.
> 
> Is this already addressed?

Haven't heard about this one before. What kernel did you last use that
worked?

-- 
Jens Axboe