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From: Ming Lei <ming.lei@redhat.com>
To: ZiyangZhang <ZiyangZhang@linux.alibaba.com>
Cc: axboe@kernel.dk, xiaoguang.wang@linux.alibaba.com,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	joseph.qi@linux.alibaba.com, ming.lei@redhat.com
Subject: Re: [RFC PATCH V2 0/6] ublk_drv: add USER_RECOVERY support
Date: Tue, 6 Sep 2022 09:14:39 +0800	[thread overview]
Message-ID: <Yxae/6fxhrmHOiKG@T590> (raw)
In-Reply-To: <20220831155136.23434-1-ZiyangZhang@linux.alibaba.com>

On Wed, Aug 31, 2022 at 11:51:30PM +0800, ZiyangZhang wrote:
> ublk_drv is a driver simply passes all blk-mq rqs to ublksrv[1] in
> userspace. For each ublk queue, there is one ubq_daemon(pthread).
> All ubq_daemons share the same process which opens /dev/ublkcX.
> The ubq_daemon code infinitely loops on io_uring_enter() to
> send/receive io_uring cmds which pass information of blk-mq
> rqs.

BTW, given ublk document is merged, so please document the new
added commands in Documentation/block/ublk.rst in following versions.


Thanks,
Ming


      parent reply	other threads:[~2022-09-06  1:15 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-31 15:51 [RFC PATCH V2 0/6] ublk_drv: add USER_RECOVERY support ZiyangZhang
2022-08-31 15:51 ` [RFC PATCH V2 1/6] ublk_drv: check 'current' instead of 'ubq_daemon' ZiyangZhang
2022-08-31 15:51 ` [RFC PATCH V2 2/6] ublk_drv: refactor ublk_cancel_queue() ZiyangZhang
2022-09-03 11:16   ` Ming Lei
2022-08-31 15:51 ` [RFC PATCH V2 3/6] ublk_drv: define macros for recovery feature and check them ZiyangZhang
2022-09-03 11:18   ` Ming Lei
2022-08-31 15:51 ` [RFC PATCH V2 4/6] ublk_drv: requeue rqs with recovery feature enabled ZiyangZhang
2022-08-31 15:51 ` [RFC PATCH V2 5/6] ublk_drv: consider recovery feature in aborting mechanism ZiyangZhang
2022-09-03 13:30   ` Ming Lei
2022-09-04 11:23     ` Ziyang Zhang
2022-09-06  1:12       ` Ming Lei
2022-08-31 15:51 ` [RFC PATCH V2 6/6] ublk_drv: add START_USER_RECOVERY and END_USER_RECOVERY support ZiyangZhang
2022-09-06  1:14 ` Ming Lei [this message]

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