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From: Christoph Hellwig <hch@lst.de>
To: Kanchan Joshi <joshi.k@samsung.com>
Cc: Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>,
	sagi@grimberg.me, linux-nvme@lists.infradead.org,
	martin.petersen@oracle.com
Subject: Re: [PATCH] nvme: fix PI insert on write
Date: Thu, 21 Aug 2025 10:33:01 +0200	[thread overview]
Message-ID: <20250821083301.GA29224@lst.de> (raw)
In-Reply-To: <c78a7ce0-1bee-4773-9f29-45f68c9fb5ff@samsung.com>

On Thu, Aug 21, 2025 at 10:32:13AM +0530, Kanchan Joshi wrote:
> On 8/20/2025 8:09 PM, Keith Busch wrote:
> >> @@ -1039,6 +1039,7 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns,
> >>   			if (WARN_ON_ONCE(!nvme_ns_has_pi(ns->head)))
> >>   				return BLK_STS_NOTSUPP;
> >>   			control |= NVME_RW_PRINFO_PRACT;
> >> +			nvme_set_ref_tag(ns, cmnd, req);
> >>   		}
> > Do we need to check that it's type 1 or 2 before setting this?
> 
> Seems so.
> And if the check moves inside nvme_set_ref_tag(), it will keep 
> current/future call-sites simple.

Yes, that was my thought as well when reading Keith' reply.


      reply	other threads:[~2025-08-21 10:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-20  8:11 [PATCH] nvme: fix PI insert on write Christoph Hellwig
2025-08-20 14:39 ` Keith Busch
2025-08-21  5:02   ` Kanchan Joshi
2025-08-21  8:33     ` Christoph Hellwig [this message]

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