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: introduce nvme_gendisk_is_ns_head helper
Date: Wed, 27 Dec 2023 09:12:31 +0100 [thread overview]
Message-ID: <20231227081231.GB21943@lst.de> (raw)
In-Reply-To: <20231227074959.4246-1-kanie@linux.alibaba.com>
> +/* Use gendisk's fops to distinguish ns_head from ns */
That's pretty obvious from the code below..
> +static inline bool nvme_gendisk_is_ns_head(struct gendisk *disk)
Except for the weird holdout del_gendisk we only use disk in names,
not gendisk.
> +{
> + if (disk->fops == &nvme_ns_head_ops)
> + return true;
> + return false;
return disk->fops == &nvme_ns_head_ops;
prev parent reply other threads:[~2023-12-27 8:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-27 7:49 [PATCH] nvme: introduce nvme_gendisk_is_ns_head helper Guixin Liu
2023-12-27 8:12 ` Christoph Hellwig [this message]
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