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 275AC3914EF; Fri, 27 Mar 2026 13:05:38 +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=1774616739; cv=none; b=hJZhIQ76TT3mNLvitTjwk7CN6k3Eauw8WW8M2woN4xwnzKEEdq7sNb9wNajBz6aWko0w8ydMVbe1XOiAKuJ71l7TcnW0lfAnCHLjV4D/EKHQfrfREM7sQcj4sI6htXvQdrJcff9cVd3bRdJXQ9OCncnfPP9IVcxeMKgFE5FYgPs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774616739; c=relaxed/simple; bh=ESd8XmCxuShsE/KtPdm5tiY/5sKpCpx8qvZ4REVh3I8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lYCLw3k8VcCa/p3VR82aW2qz38zYNnKu1Dy2osVrOmf5UI1/SbJiysoOb7cjb7zQrPlKn5xwl8jtoUMRBt1tsIJUw8FZwegPd9YKCZgWl/YzUuoaT3BI9kiMV2pEzbi7TzdUDo+LHfOpt/RW03gS2zHMVUlKU92hVgBQ5tnhM7Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=r3MyAhxJ; 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="r3MyAhxJ" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260327014255.2058916-9-ziy@nvidia.com> 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 >