linux-ext4 - Re: [PATCH 2/3] f2fs: notify when device not supprt inlinecrypt

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Message-ID: <Yl4qGkrfMT7FqbJj@sol.localdomain>
Date:   Mon, 18 Apr 2022 20:18:50 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     常凤楠 <changfengnan@...o.com>
Cc:     "jaegeuk@...nel.org" <jaegeuk@...nel.org>,
        "chao@...nel.org" <chao@...nel.org>,
        "tytso@....edu" <tytso@....edu>,
        "adilger.kernel@...ger.ca" <adilger.kernel@...ger.ca>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
        "linux-f2fs-devel@...ts.sourceforge.net" 
        <linux-f2fs-devel@...ts.sourceforge.net>
Subject: Re: [PATCH 2/3] f2fs: notify when device not supprt inlinecrypt

On Tue, Apr 19, 2022 at 03:14:51AM +0000, 常凤楠 wrote:
> 
> Thanks for your explanation, this patchset has too many case to forget to handle...
> Back to my first thought, maybe there should have one sysfs node to indicate the 
> device support inlinecrypt or not ? So user can know it's device not support inlinecrypt
> and not for other reasons.
> 

Linux v5.18 has that.  See https://git.kernel.org/linus/20f01f1632036660
("blk-crypto: show crypto capabilities in sysfs").

- Eric