From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 996243EEAE7 for ; Thu, 10 Sep 2026 10:09:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789034970; cv=none; b=n9kI8p551E1sCQUroNnXN7T1pInQbUmr+bbkYEahwoBX4Jld+BSuTty3CyTk4iO3wX8gU/WYzvhZo5JMdftCujqUDQr37PadVXXkq/4CZG+YDeEjreZWeN10yOMkq7o8rhOZVF7n1tOVbxdhjoGRWfwFhXAKw9lSTBQaRJmtgWY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789034970; c=relaxed/simple; bh=FDh0DW4FreAXgSlDFmbyju9lTtz4hVwzfOzm+e6qy+M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=VycnDduDxocPr0/Rs9K+anfkCp3A/tTWGkUDkbth2i7m/KPrrQ9gmWZUjAA0cMD8YX4LOS4LRRQXtVNvDwxVXLZYclm0WJzSJS3osg+9lh6Z2rddCxT2rI8cvlN7CmYePeKotxPO9zhrrLMeRrENFrZXOWuEHRDB9t5e7gMugAg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: aafcedfcacff11f19a56ed5b684f684d-20260910 X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NO_NAME, HR_CTE_8B, HR_CTT_MISS HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_NAME, HR_SJ_DIGIT_LEN HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER, HR_SJ_NOR_SYM, HR_SJ_PHRASE HR_SJ_PHRASE_LEN, HR_SJ_PRE_RE, HR_SJ_WS, HR_TO_COUNT, HR_TO_DOMAIN_COUNT HR_TO_NO_NAME, IP_TRUSTED, SRC_TRUSTED, DN_TRUSTED, SA_TRUSTED SA_EXISTED, SN_TRUSTED, SN_EXISTED, SPF_NOPASS, DKIM_NOPASS DMARC_NOPASS, CIE_BAD, CIE_GOOD, CIE_GOOD_SPF, GTI_FG_BS GTI_RG_INFO, GTI_C_BU, AMN_GOOD, ABX_MISS_RDNS X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.19,REQID:a6cd0f10-e723-4c87-8165-18430586c298,IP:10, URL:0,TC:0,Content:-5,EDM:25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:30 X-CID-INFO: VERSION:1.3.19,REQID:a6cd0f10-e723-4c87-8165-18430586c298,IP:10,UR L:0,TC:0,Content:-5,EDM:25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:30 X-CID-META: VersionHash:7db8b62,CLOUDID:6a195ccaa05e1996a283e674f5ff424d,BulkI D:26083116041099FKK443,BulkQuantity:2,SF:10|66|78|81|82|83|102|127|136|850 |865|898,TC:nil,Content:0|15|50|99,EDM:5|-100,IP:-2,URL:0,File:nil,RT:nil, Bulk:40,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR :0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: aafcedfcacff11f19a56ed5b684f684d-20260910 X-User: sangyao@kylinos.cn Received: from localhost.localdomain [(223.70.159.239)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 1445208291; Thu, 10 Sep 2026 18:09:11 +0800 From: Yao Sang To: john.g.garry@oracle.com Cc: axboe@kernel.dk, hch@lst.de, john.garry@linux.dev, kbusch@kernel.org, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, sagi@grimberg.me, sangyao@kylinos.cn Subject: Re: [PATCH v3 0/5] block, nvme: support same-LBA multipath limit stacking Date: Thu, 10 Sep 2026 18:08:48 +0800 Message-Id: <20260910100848.1248846-1-sangyao@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi John, Sorry for the late reply, and thanks for the review. Initializing the head limits only once needs some care, as we still need to refresh them after Format NVM and namespace changes. I'm working on this and will send v4 once it's ready. Thanks, Yao