linux-kernel - Re: [PATCH 0/2] block: null_blk: make fault-injection configurable via configfs

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Date:   Mon, 27 Mar 2023 22:18:20 +0000
From:   Chaitanya Kulkarni <chaitanyak@...dia.com>
To:     Akinobu Mita <akinobu.mita@...il.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@...radead.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "axboe@...nel.dk" <axboe@...nel.dk>
Subject: Re: [PATCH 0/2] block: null_blk: make fault-injection configurable
 via configfs

On 3/27/23 15:13, Christoph Hellwig wrote:
> On Mon, Mar 27, 2023 at 11:37:31PM +0900, Akinobu Mita wrote:
>> This patch set makes null_blk driver-specific fault-injection dynamically
>> configurable per device via configfs.
>>
>> Since the null_blk driver supports configuration such as device creation
>> via configfs, it is natural to configure fault-injection via configfs as
>> well.
>>
>> Currently, only the debugfs interface is provided for dynamically
>> configuring fault-injection, so this introduces a compatible interface via
>> configfs.
> Oh, nice.  Can you also update blktests to take advantage of this and
> not require built-in null_blk for fault injection tests?

+1 on blktests, please CC me when you do.

-ck