From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3AA5010ED676 for ; Fri, 27 Mar 2026 13:05:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A3C736B0092; Fri, 27 Mar 2026 09:05:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A142C6B0095; Fri, 27 Mar 2026 09:05:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 950C66B0098; Fri, 27 Mar 2026 09:05:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 89C5A6B0092 for ; Fri, 27 Mar 2026 09:05:46 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 986365E9D5 for ; Fri, 27 Mar 2026 13:05:41 +0000 (UTC) X-FDA: 84591864882.14.921C7F8 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf12.hostedemail.com (Postfix) with ESMTP id D1BFB40014 for ; Fri, 27 Mar 2026 13:05:39 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=r3MyAhxJ; spf=pass (imf12.hostedemail.com: domain of ljs@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=ljs@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1774616739; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=zpia0tbRLSbb/6PfKMmdnmi2ZNpu87IQqJrkSr3zp4M=; b=Pulvh9XgHnmC+wQNVrewp1iEaPywFYHUfznQ9PUcRs+e39NxThajJTFoBr4CFYbzLfcB7m dNNMpJjRzHdmWi1EYVFYWx/fmb201o/K40jbuze2LxKvnti1vjvcUB/cVT8R0SJ+fzqn/c pz7RuPuZw3PUmPxdRYZHJnz6s6wqUH4= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1774616739; a=rsa-sha256; cv=none; b=Cl4KSw1FTHrDkiTv0t9ut14woVZbkSVGdXMNxGVZZ3fMIA2fSA/MJZwsCbpVEPF1EW3yRc p5WkQjc1MczE7zHGg/TdmKFrxRIDiy+VDFOK26WUOc/oVHOYrpIUs9f+9TtUkiF2un2ez+ dz8GXIY/+v2lYHqkSp7cs1OgEelYN28= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=r3MyAhxJ; spf=pass (imf12.hostedemail.com: domain of ljs@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=ljs@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id D32BA42B75; Fri, 27 Mar 2026 13:05:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A1F2C19423; Fri, 27 Mar 2026 13:05:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774616738; bh=ESd8XmCxuShsE/KtPdm5tiY/5sKpCpx8qvZ4REVh3I8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=r3MyAhxJLKeSjQ+ral4sSIkopkB1pfJzJjj6TP8/N/Bv2YFjtGQR/CiMmUMEVB1MC XhSN7XVUDHJfQ3tFHCL+kfGnqrpGG3a+iqixzPmFVlT7lQZ2nMJnXYeXWUp9+MDjzw RQ1bU/74oszj4mKKm158d5PNzIYQ3kKiIUPxcSrLEmoXNJb0Tmr+71J38cT0W52qz8 cfKSnbPx5brs5xBW+gzd8tW8clkK55F0GnPWCWB0CeKS1QwMuqpbKnOkY/mQPmi3+E X3Cf1PUT7d5gBY+t/dzAUGFrVySbQquU1v5s47EgDEnKKGPepTA1peQHscmN9JCDFq Lf20YgBuxs+FQ== Date: Fri, 27 Mar 2026 13:05:36 +0000 From: "Lorenzo Stoakes (Oracle)" To: Zi Yan Cc: "Matthew Wilcox (Oracle)" , Song Liu , Chris Mason , David Sterba , Alexander Viro , Christian Brauner , Jan Kara , Andrew Morton , David Hildenbrand , Baolin Wang , "Liam R. Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Shuah Khan , linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v1 08/10] fs/btrfs: remove a comment referring to READ_ONLY_THP_FOR_FS Message-ID: <5a77eb28-cf8a-4e6d-ac5e-a059198a676f@lucifer.local> References: <20260327014255.2058916-1-ziy@nvidia.com> <20260327014255.2058916-9-ziy@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260327014255.2058916-9-ziy@nvidia.com> X-Rspamd-Queue-Id: D1BFB40014 X-Stat-Signature: poya8kj5py76ycfdc7nrdtt5q9wg3jj3 X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1774616739-393681 X-HE-Meta: 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 sLzg4/Aj q8qLZ0IH4FLkE0X9TYdVjEMiT9j8uIhlX8+UJd61x/fvcNWIlqOKZowggzO+8iyiW3d9NasTZp36G0Gki7mCOZ+c/XkRswAfpA/BaT+qt/4oFjRras8tasjCXYKsQ+IuMxh+R6+It4eWjrPvV4eANeykdHOnBABfkV+PIaZJHbcCnEt+aS2+7wx+psY7nu0eEZxlJ2rBF+MDTTMJ3DMA44GQTmqAN2AJpbAZUePpl4r4wLZgDJetuQQFaOdxQ8Ia7q8urfnqrx4LdPZXcldK5OY6SvGSbyuaOvHcfPvL0wT8BXqToQs84w3fmAXoLh5qfvKV6hdm1q4cVmxVqFrgXl7e9lEszd/wpQX1LnRGALkJb9P7TTPHr59d+4w== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Mar 26, 2026 at 09:42:53PM -0400, Zi Yan wrote: > READ_ONLY_THP_FOR_FS is no longer present, remove related comment. > > Signed-off-by: Zi Yan > Acked-by: David Sterba LGTM so: Reviewed-by: Lorenzo Stoakes (Oracle) > --- > fs/btrfs/defrag.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/fs/btrfs/defrag.c b/fs/btrfs/defrag.c > index 7e2db5d3a4d4..a8d49d9ca981 100644 > --- a/fs/btrfs/defrag.c > +++ b/fs/btrfs/defrag.c > @@ -860,9 +860,6 @@ static struct folio *defrag_prepare_one_folio(struct btrfs_inode *inode, pgoff_t > return folio; > > /* > - * Since we can defragment files opened read-only, we can encounter > - * transparent huge pages here (see CONFIG_READ_ONLY_THP_FOR_FS). > - * > * The IO for such large folios is not fully tested, thus return > * an error to reject such folios unless it's an experimental build. > * > -- > 2.43.0 >