From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.126.com (m16.mail.126.com [117.135.210.6]) (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 1BA5C3002A6 for ; Mon, 13 Jul 2026 13:49:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.6 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783950591; cv=none; b=lJ/S31KR/vVVH1jBqhhx8GAP2oP/Kc/li4nCt8ZSNBB0YSqdWp9JmmIeVJObA9dbh8CSENVOveSrqL3Tlvtd0Wm/6NHS2XAnGKiNWCpYkLwHGBlOHI2h1GxiPgTyudd3N0Tm9NTLk81Mn5RC5Rz/vN+h0oq8XcLtVCJdpTufNbo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783950591; c=relaxed/simple; bh=GW2hM1CumwnEWA7RGACyAVG6COeR6E7I0agOizXlMI4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=l7UUsLgy8zDqmG82KTaiwrZIEDc+QHLg2d3qJYCM5/Ezb4R2gksxa4vbgpGpMH3fIptCrZXxdXAAGr+NaurW5MHD9wx51Ki2OAjOKYvVkamfU7M0ftM8jcShWSPbHAzJjjaUgx/Z3p2nYMChsxrLm2sA13ffFgIyw/NdjlGYoTU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=126.com; spf=pass smtp.mailfrom=126.com; dkim=pass (1024-bit key) header.d=126.com header.i=@126.com header.b=fEmumRLC; arc=none smtp.client-ip=117.135.210.6 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=126.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=126.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=126.com header.i=@126.com header.b="fEmumRLC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=GW2hM1CumwnEWA7RGACyAVG6COeR6E7I0agOizXlMI4=; b=f EmumRLCXuTJ58xJ14UJhp7RewniVIfFYxbG6es5kvq2iTZGJbAq9XQlcoMcEvt+R iQY5ML1Mwk/m2wGYFcpkeMBwkc5awbiQw7Q38z36mDVFguuwesfx5/97nAtkP+aH mFRfq3iXHdN48IM4dx8qEnkX3Q+fBfzXDRs8FdzwGQ= Received: from zhanggenjian$126.com ( [120.228.135.217] ) by ajax-webmail-wmsvr-41-108 (Coremail) ; Mon, 13 Jul 2026 21:49:02 +0800 (CST) Date: Mon, 13 Jul 2026 21:49:02 +0800 (CST) From: "genjian zhang" To: "Ming Hung Tsai" Cc: agk@redhat.com, snitzer@kernel.org, mpatocka@redhat.com, bmarzins@redhat.com, ejt@redhat.com, dm-devel@lists.linux.dev, linux-kernel@vger.kernel.org, "Genjian Zhang" Subject: Re: [PATCH] dm thin metadata: fix superblock refcount leak on snapshot shadow failure X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260511(2e539873) Copyright (c) 2002-2026 www.mailtech.cn 126com In-Reply-To: References: <20260711100526.835027-1-zhanggenjian@126.com> X-NTES-SC: AL_Qu2TAfWev00v5CabZ+kdm0sUguo4Wca4uf8v249Vc/0OqSrj4QYcY0BkBV7o4PK3KiuGsxG6ehxX9+5oQLNSGJ1C8t2hLJ2WTCuVYIOpGQ== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <2b682ca7.83e1.19f5bbd072c.Coremail.zhanggenjian@126.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:bCkvCgD3_47P7FRqqrQcAA--.41614W X-CM-SenderInfo: x2kd0wxjhqyxldq6ij2wof0z/xtbBpg8enGpU7M+b5wAA3K X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== QXQgMjAyNi0wNy0xMyAxMDo0MDo0OCwgIk1pbmcgSHVuZyBUc2FpIiA8bXRzYWlAcmVkaGF0LmNv bT4gd3JvdGU6Cj5PbiBTYXQsIEp1bCAxMSwgMjAyNiBhdCA2OjE24oCvUE0gR2VuamlhbiA8emhh bmdnZW5qaWFuQDEyNi5jb20+IHdyb3RlOgo+Pgo+PiBGcm9tOiBHZW5qaWFuIFpoYW5nIDx6aGFu Z2dlbmppYW5Aa3lsaW5vcy5jbj4KPj4KPj4gX19yZXNlcnZlX21ldGFkYXRhX3NuYXAoKSBpbmNy ZW1lbnRzIFRISU5fU1VQRVJCTE9DS19MT0NBVElPTiBpbiB0aGUKPj4gbWV0YWRhdGEgc3BhY2Ug bWFwIGJlZm9yZSBzaGFkb3dpbmcgaXQuIFdoZW4gZG1fdG1fc2hhZG93X2Jsb2NrKCkKPj4gZmFp bHMsIGEgcmVmZXJlbmNlIGlzIGxlYWtlZCBpbiB0aGUgbWV0YWRhdGEgc3BhY2UgbWFwLgo+Pgo+ PiBGaXggYnkgYWRkaW5nIHRoZSBtaXNzaW5nIGRtX3NtX2RlY19ibG9jaygpLgo+Pgo+PiBGaXhl czogY2M4Mzk0ZDg2ZjA0ICgiZG0gdGhpbjogcHJvdmlkZSB1c2Vyc3BhY2UgYWNjZXNzIHRvIHBv b2wgbWV0YWRhdGEiKQo+PiBTaWduZWQtb2ZmLWJ5OiBHZW5qaWFuIFpoYW5nIDx6aGFuZ2dlbmpp YW5Aa3lsaW5vcy5jbj4KPj4gLS0tCj4KPlRoZSBmaXggbG9va3MgcmVhc29uYWJsZSBhcyBhIGJl c3QtZWZmb3J0IGNsZWFudXAgZm9yIHRoZSBpbW1lZGlhdGUKPnJlZmNvdW50IGxlYWsuCgpUaGFu a3MgZm9yIHRoZSByZXZpZXcuCgpUaGFua3MsCkdlbmppYW4K