All of lore.kernel.org
 help / color / mirror / Atom feed
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.

WARNING: multiple messages have this Message-ID (diff)
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.

_______________________________________________
Linux-nvme mailing list
Linux-nvme@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-nvme

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

Thread overview: 46+ 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 ` Jens Axboe
2021-03-17 22:10 ` [PATCH 1/8] io_uring: split up io_uring_sqe into hdr + main Jens Axboe
2021-03-17 22:10   ` Jens Axboe
2021-03-18  5:34   ` Christoph Hellwig
2021-03-18  5:34     ` Christoph Hellwig
2021-03-18 18:40     ` Jens Axboe
2021-03-18 18:40       ` Jens Axboe
2021-03-19 11:20       ` Stefan Metzmacher
2021-03-19 11:20         ` Stefan Metzmacher
2021-03-19 13:29       ` Christoph Hellwig
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   ` Jens Axboe
2021-03-17 22:10 ` [PATCH 3/8] fs: add file_operations->uring_cmd() Jens Axboe
2021-03-17 22:10   ` Jens Axboe
2021-03-18  5:38   ` Christoph Hellwig
2021-03-18  5:38     ` Christoph Hellwig
2021-03-18 18:41     ` Jens Axboe
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
2021-03-17 22:10   ` Jens Axboe
2021-03-18  5:42   ` Christoph Hellwig
2021-03-18  5:42     ` Christoph Hellwig
2021-03-18 18:43     ` Jens Axboe
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
2021-03-17 22:10   ` Jens Axboe
2021-03-18  5:44   ` Christoph Hellwig [this message]
2021-03-18  5:44     ` Christoph Hellwig
2021-03-17 22:10 ` [PATCH 6/8] block: add example ioctl Jens Axboe
2021-03-17 22:10   ` Jens Axboe
2021-03-18  5:45   ` Christoph Hellwig
2021-03-18  5:45     ` Christoph Hellwig
2021-03-18 12:43     ` Pavel Begunkov
2021-03-18 12:43       ` Pavel Begunkov
2021-03-18 18:44     ` Jens Axboe
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
2021-03-17 22:10   ` 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
2021-03-17 22:10   ` Jens Axboe

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210318054407.GD28063@lst.de \
    --to=hch@lst.de \
    --cc=axboe@kernel.dk \
    --cc=io-uring@vger.kernel.org \
    --cc=joshi.k@samsung.com \
    --cc=kbusch@kernel.org \
    --cc=linux-nvme@lists.infradead.org \
    --cc=metze@samba.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.