From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 F347F355F30; Wed, 8 Apr 2026 18:45:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775673936; cv=none; b=qWnPlsEiw2usdwmNe1KkNVz7v1mcANk7JP7wFKJjNnLe2uE377Cd7Y8caYeCD73lMW4jeKw2DuHcUzXmXZsq7NpI2EYpv7RcVx4e2XAq3P1/yeKvhfF6PwEOJcM4+hAB4uT2ylb4zpFQgZr+Rqq0Vn7dab6PKUXP2++T6Tv7wxk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775673936; c=relaxed/simple; bh=nZgQNDH51K5Q+T36B8J+vuMPc7LR8QAC59cMu1TaxrU=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=UZZs8UXt6afj4bzPJlmg2UL3dIE7/aBEIH9b8VKpZHPFkEQvvS4qLFr4LMYl7gnj6AzXIdsVOCgs67ryskG2QEXEQ6bRmnmuTYOp+2Cv4J+ZIlf0HX5vKcGhX9YSew+Nm5HZwNLL+JEHojtiwyGLAepRZ0398MW96ckXVmvpr1Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=e+4cEjnv; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="e+4cEjnv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14B2AC19421; Wed, 8 Apr 2026 18:45:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775673935; bh=nZgQNDH51K5Q+T36B8J+vuMPc7LR8QAC59cMu1TaxrU=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=e+4cEjnv3Ev6WRbNuf9uxxGuAtMq22I4MAQ3xf0vahHAQ375oyl0nfE0QLlSbrDlA iBjcnyLNFusKc51Hf1gct7VSvOzNXVbRWhcGxlPd93XctUZJMo+Fhxcz8yRZneGvKy XoOq2z5l1n1MEtfCypd7/B9KRrUtEhOxm9U4LQp5l7Olfj3R+2nM8gpe1IPsEIqVXV K5QwZup8UrJngwI+s9FZEIzH8EAKXflPFIpos3Pw8vOsff/nXreUFvYhp1GHGBa+6X xjPM32TMUMf7QElIPCcJlXe9tqfJe0LAlWozxdJ8KQ34I/PnIcOLzs0TvUVRKh/B5d 5vKNq+S4wxlLQ== Message-ID: Subject: Re: [PATCH v2 0/3] mm: improve write performance with RWF_DONTCACHE From: Jeff Layton To: Alexander Viro , Christian Brauner , Jan Kara , "Matthew Wilcox (Oracle)" , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Mike Snitzer , Jens Axboe , Chuck Lever Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-mm@kvack.org Date: Wed, 08 Apr 2026 14:45:32 -0400 In-Reply-To: <20260408-dontcache-v2-0-948dec1e756b@kernel.org> References: <20260408-dontcache-v2-0-948dec1e756b@kernel.org> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw n8jdFUQMCR/GlpozMFlSFiZXiObE7sef9rTtM68ukUyZM4pJ9l0KjQNgDJ6Fr342Htkjxu/kFV1Wv egyjnSsFt7EGoDjdKqr1TS9syJYFjagYtvWk/UfHlW09X+jOh4vYtfX7iYSx/NfqV3W1D7EDi0PqV T2h6v8i8YqsATFPwO4nuiTmL6I40ZofxVd+9wdRI4Db8yUNA4ZSP2nqLcLtFjClYRBoJvRWvsv4lm 0OX6MYPtv76hka8lW4mnRmZqqx3UtfHX/hF/zH24Gj7A6sYKYLCU3YrI2Ogiu7/ksKcl7goQjpvtV YrOOI5VGLHge0awt7bhMCTM9KAfPc+xL/ZxAMVWd3NCk5SamL2cE99UWgtvNOIYU8m6EjTLhsj8sn VluJH0/RcxEeFbnSaswVChNSGa7mXJrTR22lRL6ZPjdMgS2Km90haWPRc8Wolcz07Y2se0xpGVLEQ 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