From: Bart Van Assche <bvanassche@acm.org>
To: Yang Xiuwei <yangxiuwei@kylinos.cn>
Cc: axboe@kernel.dk, fujita.tomonori@lab.ntt.co.jp,
James.Bottomley@HansenPartnership.com,
martin.petersen@oracle.com, linux-block@vger.kernel.org,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH v7 2/3] bsg: add io_uring command support to generic layer
Date: Fri, 13 Mar 2026 08:35:12 -0700 [thread overview]
Message-ID: <11e4be87-de2b-4f5d-9f98-522191cc7711@acm.org> (raw)
In-Reply-To: <20260313073415.102437-2-yangxiuwei@kylinos.cn>
On 3/13/26 12:34 AM, Yang Xiuwei wrote:
> To follow your suggestion, I now combine the declarations with the
> initializations, but I had to keep the dependency order between `bd`
> and `q`, since `q` is initialized from `bd->queue`. The current version
> looks like this:
>
> struct bsg_device *bd = to_bsg_device(file_inode(ioucmd->file));
> bool open_for_write = ioucmd->file->f_mode & FMODE_WRITE;
> struct request_queue *q = bd->queue;
> int ret;
>
> This way we respect the declaration+initialization style and keep the
> data dependency clear, while following the reverse Christmas tree style
> as far as it does not conflict with the dependency.
> Does this arrangement look reasonable to you, or would you prefer a
> different ordering here?
That sounds good to me and I think this is the style followed elsewhere
in the Linux kernel.
Thanks,
Bart.
next prev parent reply other threads:[~2026-03-13 15:35 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-12 9:22 [PATCH v7 0/3] bsg: add io_uring command support for SCSI passthrough Yang Xiuwei
2026-03-12 9:22 ` [PATCH v7 1/3] bsg: add bsg_uring_cmd uapi structure Yang Xiuwei
2026-03-12 19:29 ` Bart Van Assche
2026-03-13 7:34 ` Yang Xiuwei
2026-03-13 15:34 ` Bart Van Assche
2026-03-12 9:22 ` [PATCH v7 2/3] bsg: add io_uring command support to generic layer Yang Xiuwei
2026-03-12 19:33 ` Bart Van Assche
2026-03-13 7:34 ` Yang Xiuwei
2026-03-13 15:35 ` Bart Van Assche [this message]
2026-03-12 9:22 ` [PATCH v7 3/3] scsi: bsg: add io_uring passthrough handler Yang Xiuwei
2026-03-12 19:41 ` Bart Van Assche
2026-03-13 7:34 ` Yang Xiuwei
2026-03-13 15:37 ` Bart Van Assche
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