From: Christoph Hellwig <hch@lst.de>
To: Guixin Liu <kanie@linux.alibaba.com>
Cc: kbusch@kernel.org, axboe@kernel.dk, hch@lst.de, sagi@grimberg.me,
linux-nvme@lists.infradead.org
Subject: Re: [PATCH] nvme: use nvme_disk_is_ns_head helper
Date: Tue, 12 Mar 2024 13:32:11 +0100 [thread overview]
Message-ID: <20240312123211.GB26641@lst.de> (raw)
In-Reply-To: <20240312075310.92594-1-kanie@linux.alibaba.com>
On Tue, Mar 12, 2024 at 03:53:10PM +0800, Guixin Liu wrote:
> Use nvme_disk_is_ns_head helper instead of check
> fops directly.
>
> Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
> ---
> drivers/nvme/host/sysfs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/nvme/host/sysfs.c b/drivers/nvme/host/sysfs.c
> index f2832f70e7e0..ac8d622b5fc0 100644
> --- a/drivers/nvme/host/sysfs.c
> +++ b/drivers/nvme/host/sysfs.c
> @@ -240,7 +240,7 @@ static ssize_t nuse_show(struct device *dev, struct device_attribute *attr,
> int ret;
>
> if (IS_ENABLED(CONFIG_NVME_MULTIPATH) &&
> - bdev->bd_disk->fops == &nvme_ns_head_ops)
> + nvme_disk_is_ns_head(bdev->bd_disk))
When using nvme_disk_is_ns_head we should also be able to drop the
IS_ENABLED(CONFIG_NVME_MULTIPATH) check.
next prev parent reply other threads:[~2024-03-12 12:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-12 7:53 [PATCH] nvme: use nvme_disk_is_ns_head helper Guixin Liu
2024-03-12 12:32 ` Christoph Hellwig [this message]
2024-03-12 12:47 ` Guixin Liu
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