From: Keith Busch <kbusch@kernel.org>
To: Yehyeong Lee <yhlee@isslab.korea.ac.kr>
Cc: axboe@kernel.dk, hch@lst.de, sagi@grimberg.me,
eduard@hasenleithner.at, linux-nvme@lists.infradead.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] nvme: zero the discard fallback page
Date: Mon, 10 Aug 2026 13:20:53 -0600 [thread overview]
Message-ID: <anoklR7ptrDQwCtn@kbusch-mbp> (raw)
In-Reply-To: <20260730113624.1605213-1-yhlee@isslab.korea.ac.kr>
On Thu, Jul 30, 2026 at 08:36:24PM +0900, Yehyeong Lee wrote:
> nvme_setup_discard() always maps sizeof(struct nvme_dsm_range) *
> NVME_DSM_MAX_RANGES = 4096 bytes as the DSM payload however many ranges
> the command declares, because some devices ignore the 'Number of Ranges'
> field - the Fixes: commit records two that read past the declared ranges.
> A single-range discard fills only the first 16 bytes.
Thanks, applied to nvme-7.3.
prev parent reply other threads:[~2026-08-10 19:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-30 11:36 [PATCH] nvme: zero the discard fallback page Yehyeong Lee
2026-08-10 19:20 ` Keith Busch [this message]
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