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 C933A157A55 for ; Tue, 14 Jan 2025 21:16:19 +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=1736889380; cv=none; b=MctrzNVCRKgZOoemG7FM090KFCB2u4FWxeLU25bHKSopHJe3j4K2i64swXLY1QKPPwYx7k7CHpS9E/2RP4RkwLoIkme9NBcX9uk5kxoivfZb/uhUuYSJrPrDtLIPzpFDHiHaw6MGe+5goMl0kKOXGth25WkDZ89ZGutxw5ARObQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736889380; c=relaxed/simple; bh=dvYQdshJ0GviX6gyP3fQ0CFpSzfYScujSsw8/UDlM9w=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Y8vSd3UHFoEB4QC9YaGb6BooOjTCXuX23qiAWftrYdmsDsGDbBBa4tlaq3MiWtRRsWDfxY+s7y05kiX+Y7bs8o+ik9XcdyyfXoVNr+B91T2oRV/DT+ses5TRnJuKR6EJifjcGt5HoiKcBOmLwxCPLFu4uTdGrJeIxjidgmmePHQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=g56qtw2L; 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="g56qtw2L" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F08CC4CEDD; Tue, 14 Jan 2025 21:16:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736889379; bh=dvYQdshJ0GviX6gyP3fQ0CFpSzfYScujSsw8/UDlM9w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=g56qtw2LXBerAWgBQ9QbRzdWpUHuCGa35C9KP3ml/5GRKtpaNCCFMFwDFN3+Pfd0d wQff1W5Z1HtM9HLvvMp4UvzBlntBfFz0pvenoAn6wkkLkiSsyjrZHNqPxHRAUYE33e TylmaXTObFb+2yvFdTojvAhEMG9rbhZmkCZ0ML4aPvpkq52cpnm6J249HmZKceUi4S K19DGrPcjE+z7wig5ZnwWYlzYWBSI4NV+5VQwdgY9q3JeHlqXTr7syUNHsDacF2bPB XU1NUyqv3+6FJODiuRjQh2Q8jKb3PwUKgxFnjvFnWSzo93ZeWA+wdJAbRtPWe4fwAr jC8eK/XiGrq5Q== Date: Tue, 14 Jan 2025 21:16:17 +0000 From: Eric Biggers To: Jaegeuk Kim Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Subject: Re: [PATCH 1/2] f2fs: register inodes which is able to donate pages Message-ID: <20250114211617.GA2558329@google.com> References: <20250113183933.1268282-1-jaegeuk@kernel.org> 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: <20250113183933.1268282-1-jaegeuk@kernel.org> On Mon, Jan 13, 2025 at 06:39:32PM +0000, Jaegeuk Kim via Linux-f2fs-devel wrote: > This patch introduces an inode list to keep the page cache ranges that users > can donate pages together. > > #define F2FS_IOC_DONATE_RANGE _IOW(F2FS_IOCTL_MAGIC, 27, \ > struct f2fs_donate_range) > struct f2fs_donate_range { > __u64 start; > __u64 len; > }; > > e.g., ioctl(F2FS_IOC_DONATE_RANGE, &range); > > Signed-off-by: Jaegeuk Kim > --- > fs/f2fs/debug.c | 3 +++ > fs/f2fs/f2fs.h | 9 +++++++- > fs/f2fs/file.c | 48 +++++++++++++++++++++++++++++++++++++++ > fs/f2fs/inode.c | 14 ++++++++++++ > fs/f2fs/super.c | 1 + > include/uapi/linux/f2fs.h | 7 ++++++ > 6 files changed, 81 insertions(+), 1 deletion(-) Missing a rationale, documentation, tests, and fuzzing. - Eric