From patchwork Fri Oct 25 21:36:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 13851859 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) (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 35C8520BB42 for ; Fri, 25 Oct 2024 21:39:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.153.30 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729892390; cv=none; b=DTX0B4zj/gmi8lIsoVydoUB9GvbbdVRVCylbvaNYMVT06mhNsKnhZ/CvV0rSC2cd3mH65xEsaOaojwNuM7pjOJIyLoOtjnORnRB3P5hbSsk2AYcu+Ss2iLoYNMhVtcC/U44g51Xgmlq7sFd5boA+sd2MWtdQ80uvTTzWUnWN6sg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729892390; c=relaxed/simple; bh=QNBnH7bi6WbGlj2rf3vDcTyaJMrmau3H7p98DlJvp0U=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=G/3W2ysbXccWcmz5MMXMY3NULL/0fizvrzP5MGYRTSh64eGzByqkcqSNrLzAZcoI9xE6z5rH/f+n+dZzqtfbiHH415Pg2skmGxgYd07MNeKWomzqxq507vojoX2c3xonzGHTh7bgc44fpKhRevRCvQyLwIhWnF3e21GJYXd953g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=meta.com; spf=pass smtp.mailfrom=meta.com; dkim=pass (2048-bit key) header.d=meta.com header.i=@meta.com header.b=mQ1IgskG; arc=none smtp.client-ip=67.231.153.30 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=meta.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=meta.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=meta.com header.i=@meta.com header.b="mQ1IgskG" Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.18.1.2/8.18.1.2) with ESMTP id 49PKXPhX022992 for ; Fri, 25 Oct 2024 14:39:47 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=meta.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=s2048-2021-q4; bh=QDSowptOyZLvK9oAHCxfP0iFBCixlqbp/+dl8U+g3G0=; b=mQ1IgskGRUZF aHWIeAvxdctEjZ1ozlJxEG/DMeww3ySl+lsIJ/kdShKTO5W63NGWopSwifiIeuLr NjMrYPvALK8GNbcTbZnWtwsAxHqOQ8nYuub97UWRdkCxKAjOEkAfLrt1yCY4m10J kotD3iBXuL5/I5kA71zbLcMmVicPJ7cCfBg6tJsvvNFJpBQzpbX4ipirCOjJdCoc r7PbUdHzE14HEc2/mmhOBWFzIa0YRTnLRDKX+CR/L13/CtXR6FvbYlq3leSgdFxI 7SRXa09EVoqgafM6OLC6aIf+2evSaRsXITQHTFDxJ+G2Uyh2VlRpQp4TZnfQehY1 4xHhFHwbkQ== Received: from maileast.thefacebook.com ([163.114.135.16]) by m0089730.ppops.net (PPS) with ESMTPS id 42gdaau1ds-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 25 Oct 2024 14:39:47 -0700 (PDT) Received: from twshared10900.35.frc1.facebook.com (2620:10d:c0a8:1b::8e35) by mail.thefacebook.com (2620:10d:c0a9:6f::8fd4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.1544.11; Fri, 25 Oct 2024 21:39:46 +0000 Received: by devbig638.nha1.facebook.com (Postfix, from userid 544533) id B3E041476D744; Fri, 25 Oct 2024 14:37:06 -0700 (PDT) From: Keith Busch To: , , , CC: , , , , , Keith Busch Subject: [PATCHv9 7/7] scsi: set permanent stream count in block limits Date: Fri, 25 Oct 2024 14:36:45 -0700 Message-ID: <20241025213645.3464331-8-kbusch@meta.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20241025213645.3464331-1-kbusch@meta.com> References: <20241025213645.3464331-1-kbusch@meta.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-ORIG-GUID: JCZOg0S1YgkkMMzXYmOR76sDM2dKdfkf X-Proofpoint-GUID: JCZOg0S1YgkkMMzXYmOR76sDM2dKdfkf X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-05_03,2024-10-04_01,2024-09-30_01 From: Keith Busch The block limits exports the number of write hints, so set this limit if the device reports support for the lifetime hints. Not only does this inform the user of which hints are possible, it also allows scsi devices supporting the feature to utilize the full range through raw block device direct-io. Signed-off-by: Keith Busch Reviewed-by: Bart Van Assche Reviewed-by: Hannes Reinecke --- drivers/scsi/sd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index ca4bc0ac76adc..235dd6e5b6688 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -3768,6 +3768,8 @@ static int sd_revalidate_disk(struct gendisk *disk) sd_config_protection(sdkp, &lim); } + lim.max_write_hints = sdkp->permanent_stream_count; + /* * We now have all cache related info, determine how we deal * with flush requests.