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 BE2C51F4192 for ; Sat, 16 Aug 2025 07:05:42 +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=1755327942; cv=none; b=YKRBXFJTh8KP2sr6/Ok0L5OXuaFlFhfAVjBoMbp6T9URx4Q5q5D70i+pEgjYH21gJF9WJfI/RlVvq7gWACc6Z2CxEC60xA8I+248fskjThO1CVmJqXA618hhQT7AvTX9p2T4rE6Z8UwBQPEsneSkPi8Oy8hkUig73C4QkE4QVPA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755327942; c=relaxed/simple; bh=hu35BagZj+Xff393XimS0+DUXx08BEHNx1DZd0VL3n8=; h=Message-ID:Date:MIME-Version:Cc:Subject:To:References:From: In-Reply-To:Content-Type; b=jmMiCloaNvc8orQVRLxdjUd+JZ8zxpBwkbR8jfMXdK1cAmP/wy0CRg4ReZ6/OEn0wSiVOw8cieIXo+dAbw+h6IpeN7gSYliJpyp3lRCWbJToXUvJtNvTydoI5rsOSMoa+qLs+PT7+5PkpdTTPxonzMZ/SznOfy+3uGdFMOAdQgY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=biWRzoO7; 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="biWRzoO7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 443DDC4CEEF; Sat, 16 Aug 2025 07:05:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755327942; bh=hu35BagZj+Xff393XimS0+DUXx08BEHNx1DZd0VL3n8=; h=Date:Cc:Subject:To:References:From:In-Reply-To:From; b=biWRzoO7D0f7WgMAcfNlal51qjai10RqQdLphxz+4Gy7ZbirG01y7L5VO/MgSGVxA B+vMEkwQBsJXFRg6cDGUvYsPxA8jtvZataFIynXXbTGaVGKHA9f1xYQ8bNa0E7C6hK 2oRErCKELVTrFnusXfCKHHOV5kB0Z7UKuDw8oNDAk0tXs1zeM2LPrGwGVRc1NP+2Hd zAd3HAXr27W75JMW9GJDMv9pHO8qheRZT/K3GQ+GmfGZSAGAxzmI3L0ekKw+tSIXvf wdXSkoKVR7MGLMvNzhbz5+0sj6UxFfYdbR34c1l7sbgAFpomrzh/5YbSkiG0rheS2e fJnSyoPJIcS+Q== Message-ID: Date: Sat, 16 Aug 2025 15:05:38 +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 v3] f2fs: show the list of donation files To: Jaegeuk Kim , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net References: <20250812235814.960924-1-jaegeuk@kernel.org> Content-Language: en-US From: Chao Yu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2025/8/16 00:20, Jaegeuk Kim via Linux-f2fs-devel wrote: > This patch introduces a proc entry to show the currently enrolled donation > files. > > - "File path" indicates a file. > - "Status" > a. "Donated" means the file is registed in the donation list by > fadvise(offset, length, POSIX_FADV_NOREUSE) > b. "Evicted" means the donated pages were reclaimed. > - "Offset (kb)" and "Length (kb) show the registered donation range. > - "Cached pages (kb)" shows the amount of cached pages in the inode page cache. > > For example, > > Donation List > # of files : 2 > File path Status Offset (kb) Length (kb) Cached pages (kb) > --- > /local/tmp/test2 Donated 0 1048576 2097152 > /local/tmp/test Evicted 0 1048576 1048576 > > Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu Thanks,