linux-kernel - Re: [PATCH 1/3] block: don't show disk stats if io accounting is disabled

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 25 Mar 2022 01:46:44 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Yu Kuai <yukuai3@...wei.com>
Cc:     axboe@...nel.dk, mpatocka@...hat.com, snitzer@...hat.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        yi.zhang@...wei.com
Subject: Re: [PATCH 1/3] block: don't show disk stats if io accounting is
 disabled

On Thu, Mar 17, 2022 at 07:26:51PM +0800, Yu Kuai wrote:
> If io accounting is disabled, there is no point to handle such device
> in diskstats_show(), and it can be confused for users because all fields
> in iostat are zero while the disk is handling io.

But changing the output will break existing users looking at it.