linux-kernel - Re: lightnvm: pblk: avoid ref warning on cache creation

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Message-ID: <2D1F9096-EFF8-43C2-8403-9897B3D36409@cnexlabs.com>
Date:   Fri, 23 Nov 2018 08:16:25 +0000
From:   Javier Gonzalez <javier@...xlabs.com>
To:     Matias Bjørling <mb@...htnvm.io>
CC:     "javier@...igon.com" <javier@...igon.com>,
        Hans Holmberg <hans.holmberg@...xlabs.com>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: lightnvm: pblk: avoid ref warning on cache creation



> On 23 Nov 2018, at 09.14, Matias Bjørling <mb@...htnvm.io> wrote:
> 
>> On 11/22/2018 02:46 PM, Javier González wrote:
>> Matias,
>> Can you pick this up for 4.20? Even though it is not an error per se, it
>> does trigger an ugly false positive warning when CONFIG_REFCOUNT_FULL is
>> set.
>> Thanks,
>> Javier
>> Javier González (1):
>>   lightnvm: pblk: avoid ref warning on cache creation
>>  drivers/lightnvm/pblk-init.c | 14 +++++---------
>>  1 file changed, 5 insertions(+), 9 deletions(-)
> 
> It is too late to get it for 4.20. I'll pull it in for 4.21.

Well, if it is a fix it’s not too late AFAIK. It also applies to a patch picked up in this series. We should have catches this before. 

But I guess it’s your call. 

> 
> We can put on a Fixes: 1864de94ec9d6 "lightnvm: pblk: stop recreating global caches" if you want Greg and friends to pick picked it up for stable kernels?

I didn’t add it as it is not a bug in itself. But it is good to add it. Can you do it. 

Javier.