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 82C912135D8 for ; Tue, 14 Jan 2025 22:42:47 +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=1736894567; cv=none; b=W9g4aBu9lWTp32/n1AUcsOu16ZxkDQdJEwKsmLiFD9xNh6R4czVg9av/dfjvDNvzuhtuWAU8o6AIaVXzzBShsCxQiZLucN1tWRdbshQS+7byDoP48UqCsv6oYk8a3GOfpIspL+L6/92vajBxMdkgJ6ttmaRnCSwNJmX2u82YQxA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736894567; c=relaxed/simple; bh=ozBBJa0Pn5bDWGXB7U+vlkXn2dlyZcYl2o5Yx9WDsxQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=m2yWQzJN0/52QebRnNd9qhGfOrznIjdhzymoZ/2Q8zlfCNqGtH72QzEBNyE2nvqtOXb6cHCtj374uJpUZFfAd0eGbLRLniBA/XKEApXOVjVj+Ak5ZYXuOnynBHd+yCYeoZgrZfjaQx0PQhGSPeLGVKtpdxmjsIohtnmhecGJu7g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YbWSZA+v; 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="YbWSZA+v" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2A97C4CEDD; Tue, 14 Jan 2025 22:42:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736894567; bh=ozBBJa0Pn5bDWGXB7U+vlkXn2dlyZcYl2o5Yx9WDsxQ=; h=From:To:Cc:Subject:Date:From; b=YbWSZA+vy2V2+3lVqQAM8FHnstga4VwEjIyE8nya2BgoFrkQJtYH2k4WUuLvXASBT On0gxkhv4P6AYPip5D0kNbVCb5OmziisS+tuVGtaPgwIdpJqOcOOOCZNxecEeujNoV J5x69HOhh18Cj8EsCQ0RddsOpx9x+E6Tp898Xb+Uzyr813utxW9phQFBTuaD6P4T6c C2kSh/oE0TQo4p86yvUnaWvb0u/dWB69wtUSYW0mPA+CiMdUDgdkh/8A8oexnf2N0H 0xy0OfaOUAUXL2UuWlXMkPHlLkCUG8kf3PXl1fYHSPZFEo+fITDTvmbbH0ThSNn2Xn B5TARsMFiQobw== From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH 0/2 v2] add ioctl/sysfs to donate file-backed pages Date: Tue, 14 Jan 2025 22:39:53 +0000 Message-ID: <20250114224242.1630478-1-jaegeuk@kernel.org> X-Mailer: git-send-email 2.48.0.rc2.279.g1de40edade-goog Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit If users clearly know which file-backed pages to reclaim in system view, they can use this ioctl() to register in advance and reclaim all at once later. Jaegeuk Kim (2): f2fs: register inodes which is able to donate pages f2fs: add a sysfs entry to request donate file-backed pages Documentation/ABI/testing/sysfs-fs-f2fs | 7 ++++ fs/f2fs/debug.c | 3 ++ fs/f2fs/f2fs.h | 14 ++++++- fs/f2fs/file.c | 52 +++++++++++++++++++++++++ fs/f2fs/inode.c | 14 +++++++ fs/f2fs/shrinker.c | 27 +++++++++++++ fs/f2fs/super.c | 1 + fs/f2fs/sysfs.c | 8 ++++ include/uapi/linux/f2fs.h | 7 ++++ 9 files changed, 132 insertions(+), 1 deletion(-) -- 2.48.0.rc2.279.g1de40edade-goog