From: Gabriel Krisman Bertazi <krisman@collabora.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Ming Lei <ming.lei@redhat.com>, Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
io-uring@vger.kernel.org,
ZiyangZhang <ZiyangZhang@linux.alibaba.com>,
Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Subject: Re: [RFC PATCH] ubd: add io_uring based userspace block driver
Date: Mon, 09 May 2022 14:11:19 -0400 [thread overview]
Message-ID: <87bkw6lgoo.fsf@collabora.com> (raw)
In-Reply-To: <8e3ecd00-1c73-7481-fec2-158528b2798f@infradead.org> (Randy Dunlap's message of "Mon, 9 May 2022 09:00:37 -0700")
Randy Dunlap <rdunlap@infradead.org> writes:
> On 5/9/22 02:23, Ming Lei wrote:
>> diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
>> index fdb81f2794cd..3893ccd82e8a 100644
>> --- a/drivers/block/Kconfig
>> +++ b/drivers/block/Kconfig
>> @@ -408,6 +408,13 @@ config BLK_DEV_RBD
>>
>> If unsure, say N.
>>
>> +config BLK_DEV_USER_BLK_DRV
>> + bool "Userspace block driver"
>> + select IO_URING
>> + default y
>
> Any "default y" driver is highly questionable and needs to be justified.
>
> Also: why is it bool instead of tristate?
I think it's only bool because it depends on task_work_add, which is not exported to
modules. It is something to be fixed for sure, can that function just be exported?
--
Gabriel Krisman Bertazi
next prev parent reply other threads:[~2022-05-09 18:11 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-09 9:23 [RFC PATCH] ubd: add io_uring based userspace block driver Ming Lei
2022-05-09 15:10 ` Gabriel Krisman Bertazi
2022-05-10 1:57 ` Ming Lei
2022-05-10 4:22 ` Ziyang Zhang
2022-05-09 16:00 ` Randy Dunlap
2022-05-09 18:11 ` Gabriel Krisman Bertazi [this message]
2022-05-09 18:13 ` Jens Axboe
2022-05-09 16:09 ` Jens Axboe
2022-05-10 2:58 ` Ming Lei
2022-05-10 3:29 ` Jens Axboe
2022-05-10 7:38 ` Ming Lei
2022-05-09 18:14 ` Martin Raiber
2022-05-10 12:00 ` kernel test robot
2022-05-16 19:29 ` Stefan Hajnoczi
2022-05-17 1:57 ` Ming Lei
2022-05-17 6:17 ` Stefan Hajnoczi
2022-05-30 7:07 ` Pavel Machek
2022-06-02 3:19 ` Ming Lei
2022-06-06 2:15 ` Gao Xiang
-- strict thread matches above, loose matches on Subject: below --
2022-05-10 4:09 kernel test robot
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