From nobody Sun Feb 8 05:58:56 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1F6841DFE0F; Mon, 6 Jan 2025 16:42:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736181736; cv=none; b=BpHcca0V/Yj3hs/SP+sTbws3wyDO6Yr6kH7yiBo72u1jOEDFTSaAR5wOsMLBmIR3tzbBaOxjr/2jPYyi3lAS/BuMntkLsc92Ku1l//B4ZHemCZHOARPawWzcWJv3f9VpKqJuYf84DvxNIpngHtVERg89CqUabqbMQxQdjQY3BCo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736181736; c=relaxed/simple; bh=FDFv5S+ZzONeY4VnWASKegBbzEBRGsdv1rRlgEW29Js=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=oKDz+05degIXn6Ehjl6GWJSUekMrky/CFkTsS6oQ6CptLzOjouoZG2KGK/ecmpSmXU8RT+PPjFaiYXUvS9LqL2gDapc/mUCLd2q3MKmtClmexkFL+N/SdpdD/sm97khKAWBGN6Fzo6/lKPUrrSllBSAmW3MmV1ta1LncLT63pjc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PtXwE3v4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PtXwE3v4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0619C4CED2; Mon, 6 Jan 2025 16:42:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736181735; bh=FDFv5S+ZzONeY4VnWASKegBbzEBRGsdv1rRlgEW29Js=; h=From:To:Cc:Subject:Date:From; b=PtXwE3v4TOTkBRgBupVbDx4H9CbEQEkv6UJ86TfhE9W6QWB2DO6+JblhhkEkqX0eo TP+R4oth7qUjwEnk9e/3s+u2Rzo21s5d2PAVQHbL9+XP6P3l+j9rZIaup9UrGG8kxz c5hWqQt1weZmJUIeaY3hnA35u/NNw65QeL5qcQu+Wvns/Vvtp8v8BhlqAPiNY+8j5u PVZjTOh6eFBET5tNQdZAezGjdJ5dn8myjJ/NGVGI7IJR//7Z/3AbDI5gyT+ledaTRC gpk6l9EwXLKTfNElOMx7WlvB2L8aqDJs/19DmnzesiNpWqluMkQ08RmkrR9yQFGcCa Dor/qGGjFolDg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Luis Chamberlain , Sagi Grimberg , Keith Busch , Sasha Levin , kch@nvidia.com, linux-nvme@lists.infradead.org Subject: [PATCH AUTOSEL 5.15] nvmet: propagate npwg topology Date: Mon, 6 Jan 2025 11:42:13 -0500 Message-Id: <20250106164213.1122374-1-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.175 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Luis Chamberlain [ Upstream commit b579d6fdc3a9149bb4d2b3133cc0767130ed13e6 ] Ensure we propagate npwg to the target as well instead of assuming its the same logical blocks per physical block. This ensures devices with large IUs information properly propagated on the target. Signed-off-by: Luis Chamberlain Reviewed-by: Sagi Grimberg Signed-off-by: Keith Busch Signed-off-by: Sasha Levin --- drivers/nvme/target/io-cmd-bdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd= -bdev.c index 0fc2781ab970..58da949696c2 100644 --- a/drivers/nvme/target/io-cmd-bdev.c +++ b/drivers/nvme/target/io-cmd-bdev.c @@ -36,7 +36,7 @@ void nvmet_bdev_set_limits(struct block_device *bdev, str= uct nvme_id_ns *id) */ id->nsfeat |=3D 1 << 4; /* NPWG =3D Namespace Preferred Write Granularity. 0's based */ - id->npwg =3D lpp0b; + id->npwg =3D to0based(bdev_io_min(bdev) / bdev_logical_block_size(bdev)); /* NPWA =3D Namespace Preferred Write Alignment. 0's based */ id->npwa =3D id->npwg; /* NPDG =3D Namespace Preferred Deallocate Granularity. 0's based */ --=20 2.39.5