From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fhigh-a5-smtp.messagingengine.com (fhigh-a5-smtp.messagingengine.com [103.168.172.156]) (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 EF04035E92B; Mon, 27 Apr 2026 03:37:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=103.168.172.156 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777261063; cv=none; b=IViSKUt5Ge/NReCAbdq7twG+rmOer5rVFJ/BkTe3jqiQbaOgQ0gZyMlPg2NNs5Gmti48beJWYG8k0LXFyIgBLKeh5owPsf9U46mURWeS4zqWgSqOgFZXBPCAab4T1hFriyECOFaQzdrGQASpqA5OfEDK9IPewZAansVUmB5sTdE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777261063; c=relaxed/simple; bh=DFrp9NHxbOh7DcW+macG4cAgQAoWvIrKkUHLuu82auc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hoC6og61RYgI/Nw210h0bLj9HeN3xnky62i+bgDLRNEjlk6SdtKGaaPToyB3STJMhFBsb8boxBhhuK9yMpjpUzd3eVh5VSFBW5BZRdmD8N6TwGR+UVdCcVdArUiHWnN/efGTDkZ/mdzHMSQb/L/64POAUzSZwRl3DZaLGFAE6X0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ownmail.net; spf=pass smtp.mailfrom=ownmail.net; dkim=pass (2048-bit key) header.d=ownmail.net header.i=@ownmail.net header.b=LCsmTDrF; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b=RhtU6zx2; arc=none smtp.client-ip=103.168.172.156 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ownmail.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ownmail.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ownmail.net header.i=@ownmail.net header.b="LCsmTDrF"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="RhtU6zx2" Received: from phl-compute-07.internal (phl-compute-07.internal [10.202.2.47]) by mailfhigh.phl.internal (Postfix) with ESMTP id 6366E14000E4; Sun, 26 Apr 2026 23:37:41 -0400 (EDT) Received: from phl-frontend-04 ([10.202.2.163]) by phl-compute-07.internal (MEProxy); Sun, 26 Apr 2026 23:37:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ownmail.net; h= cc:cc:content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:reply-to:subject:subject:to:to; s=fm2; t=1777261061; x=1777347461; bh=/lh7HUK0TKvg2/UYrerSNegrbJ1j2gtRpk+NrmqwPSE=; b= LCsmTDrFxdUWMXRL4kyDcxXMHU5cnuIewJE8/mPtqFISayX0WwERaPrSIIWvObur Yy3tzMX8Lf/bXsWMCf6qC/UYjktT/iWJx8NRfqZ7gX/0AjOsNbKPZNb89BShIHLY bZUtTLZ3kdt+xUdGf8k1ohsaINMxJrrftJgyUeQmds6YAdCulcPFHcK+lumGf7Qz KX6OpNuqgo6QewpGGBBdGja5urVYwZG/qayRDZjtRzjBWTbWWony24lGV2VJb3tY yqJ8Z9nd7/qMmi3tnsHSMMS4ffEGeAiSdRTtGmEGkk29I8WPNsi1B6FFQ7LGctll C5Evyb3u4r4rQ2rVgOeeDw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:reply-to:subject:subject:to:to:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm2; t=1777261061; x=1777347461; bh=/ lh7HUK0TKvg2/UYrerSNegrbJ1j2gtRpk+NrmqwPSE=; b=RhtU6zx20cUI/BE/A KSWkmcLAJdSkGVsHXtyR1yPChuyUeHCDbYBg9C8XaK/tsTBFO2y1hKBMP6c2ELMJ teKefEzFYhG+3u2tf2cebUIiS92ZalwR3k9UsxZh7NWRpldeOLW84v0/u0sA/E1y RQPaOttBs65bvicLGGkeeg9gU6mK7roPdFg+Q2qu0jeEjKt3JUwGgmKn8RnpB5mA c2U7h3TuuFKs50uaGR5YeJdzISIqXbb6yNXo5/Lll1/31M7rdXgZNwR5wb8gKNq/ HfCgUiCH5cffEH0WO/MAMA1UnKGlUZsYKQqFHX8e/vSPmYnHogzm+Pdw5/mJqDvZ C5p9w== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefhedrtddtgdejjeeivdcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpuffrtefokffrpgfnqfghnecuuegr ihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjug hrpefhvfevufffkffojghfrhgggfestdekredtredttdenucfhrhhomheppfgvihhluehr ohifnhcuoehnvghilhgssehofihnmhgrihhlrdhnvghtqeenucggtffrrghtthgvrhhnpe evveekffduueevhfeigefhgfdukedtleekjeeitdejudfgueekvdekffdvfedvudenucev lhhushhtvghrufhiiigvpedunecurfgrrhgrmhepmhgrihhlfhhrohhmpehnvghilhgsse hofihnmhgrihhlrdhnvghtpdhnsggprhgtphhtthhopedujedpmhhouggvpehsmhhtphho uhhtpdhrtghpthhtohepvhhirhhoseiivghnihhvrdhlihhnuhigrdhorhhgrdhukhdprh gtphhtthhopehlihhnuhigqdhunhhiohhnfhhssehvghgvrhdrkhgvrhhnvghlrdhorhhg pdhrtghpthhtoheplhhinhhugidqnhhfshesvhhgvghrrdhkvghrnhgvlhdrohhrghdprh gtphhtthhopehlihhnuhigqdhfshguvghvvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhg pdhrtghpthhtoheplhhinhhugidqvghfihesvhhgvghrrdhkvghrnhgvlhdrohhrghdprh gtphhtthhopehlihhnuhigqdhkvghrnhgvlhesvhhgvghrrdhkvghrnhgvlhdprhgtphht thhopehmihhklhhoshesshiivghrvgguihdrhhhupdhrtghpthhtohepjhgrtghksehsuh hsvgdrtgiipdhrtghpthhtohepjhhksehoiihlrggsshdrohhrgh X-ME-Proxy: Feedback-ID: i9d664b8f:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sun, 26 Apr 2026 23:37:36 -0400 (EDT) From: NeilBrown To: Linus Torvalds , Alexander Viro , Christian Brauner , Jan Kara , Jeff Layton , Trond Myklebust , Anna Schumaker , Miklos Szeredi , Amir Goldstein , Jeremy Kerr , Ard Biesheuvel , Christoph Hellwig Cc: linux-efi@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-kernel@vger.kernel Subject: [PATCH v2 12/19] shmem: use d_duplicate() Date: Mon, 27 Apr 2026 13:29:45 +1000 Message-ID: <20260427033527.773006-13-neilb@ownmail.net> X-Mailer: git-send-email 2.50.0.107.gf914562f5916.dirty In-Reply-To: <20260427033527.773006-1-neilb@ownmail.net> References: <20260427033527.773006-1-neilb@ownmail.net> Reply-To: NeilBrown Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: NeilBrown To prepare for d_alloc_parallel() being permitted without a directory lock, use d_duplicate() when duplicating a dentry in order to create a whiteout. Signed-off-by: NeilBrown --- mm/shmem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/shmem.c b/mm/shmem.c index 3b5dc21b323c..8b0d2340dee7 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -4006,11 +4006,12 @@ static int shmem_whiteout(struct mnt_idmap *idmap, struct dentry *whiteout; int error; - whiteout = d_alloc(old_dentry->d_parent, &old_dentry->d_name); + whiteout = d_duplicate(old_dentry); if (!whiteout) return -ENOMEM; error = shmem_mknod(idmap, old_dir, whiteout, S_IFCHR | WHITEOUT_MODE, WHITEOUT_DEV); + d_lookup_done(whiteout); dput(whiteout); return error; } -- 2.50.0.107.gf914562f5916.dirty