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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: io-uring@vger.kernel.org, joshi.k@samsung.com, hch@lst.de,
	kbusch@kernel.org, linux-nvme@lists.infradead.org,
	metze@samba.org
Subject: Re: [PATCH 5/8] block: wire up support for file_operations->uring_cmd()
Date: Thu, 18 Mar 2021 06:44:07 +0100	[thread overview]
Message-ID: <20210318054407.GD28063@lst.de> (raw)
In-Reply-To: <20210317221027.366780-6-axboe@kernel.dk>

> +int blk_uring_cmd(struct block_device *bdev, struct io_uring_cmd *cmd,
> +		  enum io_uring_cmd_flags issue_flags)
> +{
> +	struct request_queue *q = bdev_get_queue(bdev);
> +
> +	if (!q->mq_ops || !q->mq_ops->uring_cmd)
> +		return -EOPNOTSUPP;
> +
> +	return q->mq_ops->uring_cmd(q, cmd, issue_flags);
> +}

This has absilutely not business in blk-mq.  It is a plain
block_device_operation that has nothing to do with requests or
blk-mq.

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  reply	other threads:[~2021-03-18  5:44 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-17 22:10 [PATCHSET v4 0/8] io_uring passthrough support Jens Axboe
2021-03-17 22:10 ` [PATCH 1/8] io_uring: split up io_uring_sqe into hdr + main Jens Axboe
2021-03-18  5:34   ` Christoph Hellwig
2021-03-18 18:40     ` Jens Axboe
2021-03-19 11:20       ` Stefan Metzmacher
2021-03-19 13:29       ` Christoph Hellwig
2022-02-24 22:34       ` Luis Chamberlain
2021-03-17 22:10 ` [PATCH 2/8] io_uring: add infrastructure around io_uring_cmd_sqe issue type Jens Axboe
2021-03-17 22:10 ` [PATCH 3/8] fs: add file_operations->uring_cmd() Jens Axboe
2021-03-18  5:38   ` Christoph Hellwig
2021-03-18 18:41     ` Jens Axboe
2022-02-17  1:27     ` Luis Chamberlain
2022-02-17  1:25   ` Luis Chamberlain
2021-03-17 22:10 ` [PATCH 4/8] io_uring: add support for IORING_OP_URING_CMD Jens Axboe
2021-03-18  5:42   ` Christoph Hellwig
2021-03-18 18:43     ` Jens Axboe
2021-03-17 22:10 ` [PATCH 5/8] block: wire up support for file_operations->uring_cmd() Jens Axboe
2021-03-18  5:44   ` Christoph Hellwig [this message]
2021-03-17 22:10 ` [PATCH 6/8] block: add example ioctl Jens Axboe
2021-03-18  5:45   ` Christoph Hellwig
2021-03-18 12:43     ` Pavel Begunkov
2021-03-18 18:44     ` Jens Axboe
2021-03-17 22:10 ` [PATCH 7/8] net: wire up support for file_operations->uring_cmd() Jens Axboe
2022-02-17  1:03   ` Luis Chamberlain
2021-03-17 22:10 ` [PATCH 8/8] net: add example SOCKET_URING_OP_SIOCINQ/SOCKET_URING_OP_SIOCOUTQ Jens Axboe

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