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 930F91F5F6 for ; Thu, 23 Jan 2025 01:50:29 +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=1737597029; cv=none; b=sqE188qGchPjPwITRBwYbkz2nwOCK6izVf347AZo9ywjPC2oUpJfn1eiLkJ31GfjXngKtaspS+sj4zm8Nl3l+343kWheqlXKOVXbIgPkwZ4bclU+H6z85IXsg83ex1vLyGh56PF6nxWZbnXZW3St8ngcWX7++qeW79VSSeolJv8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737597029; c=relaxed/simple; bh=MFa6sE3c6bEQ0/tVR9xYFhnCdB1FZZS9Zo3BRCwSBls=; h=Message-ID:Date:MIME-Version:Cc:Subject:To:References:From: In-Reply-To:Content-Type; b=NTWDPmSGWM0MWJ6JDlFwixfXidwZ59GmQFaPlVmVNt3qImLv45KKVQd5eVN9DLftCZZhMupVEDSzsXmXjP0n56Z9qou+vkDzTlK0782jWBDVwGlznIzhI7rgbgozNBuF5RL8tkIv3OZ/HmG4aEb/bwF4bZ6cyJ4dE7CMJGWC9E4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cgqMJLws; 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="cgqMJLws" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D933C4CED2; Thu, 23 Jan 2025 01:50:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1737597028; bh=MFa6sE3c6bEQ0/tVR9xYFhnCdB1FZZS9Zo3BRCwSBls=; h=Date:Cc:Subject:To:References:From:In-Reply-To:From; b=cgqMJLwsgiVvopY6hxAod69tdNa+4E3atbPYLHRd9m/q0Hk9XpqQ5mFcDBK6GJiah WsuqtV/R80B7EwroML+9f+Mzcmu22Zp35PMjQool0EQU9J7l4Oi2nWtCb6KNeC53c+ vNDhgBL0U+FkNwBb4er4lfSnmIu6LY0L+i95XIHh9i5DTxWpu2fGh+7AI3XRQweJ48 uvUFPaRiASz7ScVT8b+poGv2LtVWqqvf/wG68TIvzpUQIzQgsG7sOvegA9LEQpcfl6 fdGBz/2lS7sG4x8W1VLEByU+OCdC1Xrphk9tjfe2EAjp8nxN/UzZ/wB/dQZ/4rVEgQ bGKgxyhF3HC8Q== Message-ID: <516a18c5-f380-48de-873e-db021e9c63cd@kernel.org> Date: Thu, 23 Jan 2025 09:50:26 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: chao@kernel.org Subject: Re: [f2fs-dev] [PATCH 1/2] f2fs: register inodes which is able to donate pages To: Jaegeuk Kim , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net References: <20250122211323.3835557-1-jaegeuk@kernel.org> <20250122211323.3835557-2-jaegeuk@kernel.org> Content-Language: en-US From: Chao Yu In-Reply-To: <20250122211323.3835557-2-jaegeuk@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 1/23/25 05:10, 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 Reviewed-by: Chao Yu Thanks,