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From: Christoph Hellwig <hch@lst.de>
To: Kanchan Joshi <joshi.k@samsung.com>
Cc: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org,
	asml.silence@gmail.com, io-uring@vger.kernel.org,
	linux-nvme@lists.infradead.org, linux-block@vger.kernel.org,
	gost.dev@samsung.com, Anuj Gupta <anuj20.g@samsung.com>
Subject: Re: [PATCH for-next v4 3/4] block: add helper to map bvec iterator for passthrough
Date: Tue, 6 Sep 2022 08:25:22 +0200	[thread overview]
Message-ID: <20220906062522.GA1566@lst.de> (raw)
In-Reply-To: <20220905134833.6387-4-joshi.k@samsung.com>

On Mon, Sep 05, 2022 at 07:18:32PM +0530, Kanchan Joshi wrote:
> +static struct bio *bio_map_get(struct request *rq, unsigned int nr_vecs,
>  		gfp_t gfp_mask)
>  {
> @@ -259,13 +252,31 @@ static int bio_map_user_iov(struct request *rq, struct iov_iter *iter,
>  		bio = bio_alloc_bioset(NULL, nr_vecs, opf, gfp_mask,
>  					&fs_bio_set);
>  		if (!bio)
> -			return -ENOMEM;
> +			return NULL;

This context looks weird?  That bio_alloc_bioset should not be there,
as biosets are only used for file system I/O, which this is not.

  reply	other threads:[~2022-09-06  6:25 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20220905135842epcas5p4835d74beb091f5f50490714d93fc58f2@epcas5p4.samsung.com>
2022-09-05 13:48 ` [PATCH for-next v4 0/4] fixed-buffer for uring-cmd/passthru Kanchan Joshi
2022-09-05 13:48   ` [PATCH for-next v4 1/4] io_uring: introduce io_uring_cmd_import_fixed Kanchan Joshi
2022-09-05 17:50     ` Jens Axboe
2022-09-05 17:53     ` Jens Axboe
2022-09-05 13:48   ` [PATCH for-next v4 2/4] io_uring: introduce fixed buffer support for io_uring_cmd Kanchan Joshi
2022-09-05 17:54     ` Jens Axboe
2022-09-05 13:48   ` [PATCH for-next v4 3/4] block: add helper to map bvec iterator for passthrough Kanchan Joshi
2022-09-06  6:25     ` Christoph Hellwig [this message]
2022-09-06  6:33       ` Kanchan Joshi
2022-09-06  6:47         ` Kanchan Joshi
2022-09-06  6:51         ` Christoph Hellwig
2022-09-06 13:06           ` Jens Axboe
2022-09-05 13:48   ` [PATCH for-next v4 4/4] nvme: wire up fixed buffer support for nvme passthrough Kanchan Joshi

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