From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792869620; b=5iAM0LOHpC1jkK6PEbc6mFUpoPzy8qKddJ+t/GAd6AUy7uoDPHxfaCsI+DdWF5dkEq+t EgFZAiDXsqJhEFjP/60jnrZJpx3ZV3EjpHPzFTMtTJPnuPfqHklfa2NyjDxAY5vwbP5dx nKaF4kTeNBXmAHwSSXB/K+UO1VCLfzfHH0BuuFLDPtmBhYGLLhh9HD772xkFAA4eTGJZM jAlAsXs3X4tn0t3whYTffScrbRrUWFiSYGjZGi7/b75/lWaWlY/2Gpbt69ozVXrbGswGs 3uP5mwtc0UVQzeGYQL5dsxNz+NKS4NouFQAALPHbIyxwm6HJ4ipRC76DCj7fBYNak3w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792869620; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=zupueEs92LLYhplKMYURHzUt9KCcFQQdwtlOs89HPOI=; b=wFHR6pD3oa72NRvWZInG9+nnJCH9IKrkFjS/fo1kX6ZeJs8TtL2Fq9AEaTQhg6VIqbFq ulVNmo5kREfCEt9qIKvCKPc/rMVof+pyPkdarLtmxPLjbOq5iylfITu70dnrJqRua5sSf hJcSI5YP/Vx65+4S5aFTpWYEJN24H+/3HR+ZFj1gqqzyK6KpbE7K+ySbGqjQyg1sOpPiZ 55JqgKjpnj/b2Uzow6SXpr2LkCcD+PeWsFGIdzpGgTav/2mf03N9SWIrOYgh19S0tCRrN pYHFOrjpCpQeAiB+9GinwR6lmvnUpflOItUzs6yA8CLCLDZxNheXdwSsKQyT/UrsKIg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=NYz2U1JU; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1FAD7606A31A; Sat, 24 Oct 2026 19:20:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=NYz2U1JU Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8894B1F01825; Sat, 24 Oct 2026 19:20:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792869619; bh=zupueEs92LLYhplKMYURHzUt9KCcFQQdwtlOs89HPOI=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=NYz2U1JUdsTsXpsZPMHyY+GfubyW4W5DiXoocXwqCA7aiJE8dNB8zaX3eNCMkxldb A5Y3ccC8BQj1aJhLQSJCmr+L5eOwFy+6N3fpV3GXuLvbce9Xy1hlbrtjX/WIRQeK/O 0dvx6ZI6szQz+Nrkwr90sD6Ii7OSkBcflLfRdKyHWV7/3o07xNavk9VlF7KxEYPjqO 9iCi2oVbbllbKEncXfI2ZzlQbpXE0dp3lP35W0nNoW47HtRmdX+YaGjZfVJyMRXFNl pDaWb+l4e03a/0mPb0KZm1U0rW7pU1DKNvvQIzYW0VXwNk+RaDK0OE03LZaqChuX9c PGiXyFaAIRTDQ== Date: Sat, 24 Oct 2026 12:20:17 -0700 From: Eric Biggers To: Christian Brauner Cc: linux-fsdevel@vger.kernel.org, Alexander Viro , Jan Kara , linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, Gabriel Krisman Bertazi Subject: Re: [PATCH 1/2] dcache: don't leave negative dentries in casefolded directories Message-ID: <20261024192017.GG2553@quark> References: <20261023-work-dcache-casefold-v1-0-1b0bd5c73a69@kernel.org> <20261023-work-dcache-casefold-v1-1-1b0bd5c73a69@kernel.org> X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261023-work-dcache-casefold-v1-1-1b0bd5c73a69@kernel.org> On Fri, Oct 23, 2026 at 02:44:22PM +0200, Christian Brauner wrote: > +static __always_inline bool d_delete_drop(struct dentry *dentry) > +{ > + return dentry_negative_policy || > + IS_CASEFOLDED(d_inode(dentry->d_parent)); > +} Should this also check IS_ENABLED(CONFIG_UNICODE), so there will be no overhead when CONFIG_UNICODE=n? - Eric