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 3AF4386323 for ; Thu, 16 Jan 2025 17:24:40 +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=1737048281; cv=none; b=HJkcAJwD6cydG0SadW0+7jqgFMoXT1s1e0u6vPPHFWJi8Kwbc7aMpacncNLuHaRozCntsPp4QmO6wqcJBHt+JfaOLsVmOKBvJJ+VIlIszEeBdEhAX/dbrxNmxKZvROqz9UDt0ldvgZZBARWlXSjJ5w4kh6dxNmssyT7dxMPHFEA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737048281; c=relaxed/simple; bh=6oWoeFipBJAo5PN4YQJn255TPCp58SkFq27ebvx9C9Q=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=sc4FC/oZrLkvh9FORptCUttAUFMzOrHW+PvPiFwBVSmCNfU8Lyi27Xg31KOaNnUvKersH4huAEQ2Yjus1/fLoStwN+mw8ugeyoFFQy1z8O7W9EBO2NNZOHEfv56lChxaZeX8JT0hSY82b0m7Ssh30bGnYgTSBeHkUHh7Mc0MMNw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VaN7yTVA; 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="VaN7yTVA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 982B1C4CED6; Thu, 16 Jan 2025 17:24:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1737048280; bh=6oWoeFipBJAo5PN4YQJn255TPCp58SkFq27ebvx9C9Q=; h=From:To:Cc:Subject:Date:From; b=VaN7yTVAw619MefQZDhFvpbcHnkv4cIEbP85S6ViCIK726hvAiE/h7KcU5YDBLghy wkDKcVbRf2qM9XhpDzOAN2LJs8HZkOqR06akpVWlN+EdaBSxsz1IWLs3/H5jWGsvaX Y1mgm2qwsE7cifv3IQ+3sN0DbQZv0MP5/ofH86PVMJ1C96fhvMMGK3tLl38J2M3gb7 rfRetIiQu5GSMb2di8Jqrzh3M97ZqvegcHyMq6+zULUPRvVnJrD2Lwjvpw+KG1f83/ ujMhYYR56huC/3xtzZZwP0/JjnGz5DL3pDn8aHY7ELLSLc35wmK/4jcYXfvsfZIxqx ms9cn8vrI+Inw== From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH 0/2 v5] add ioctl/sysfs to donate file-backed pages Date: Thu, 16 Jan 2025 17:19:42 +0000 Message-ID: <20250116172438.2143971-1-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. Change log from v4: - fix range handling Change log from v3: - cover partial range Change log from v2: - add more boundary checks - de-register the range, if len is zero Jaegeuk Kim (1): f2fs: add a sysfs entry to request donate file-backed pages Yi Sun (1): f2fs: Optimize f2fs_truncate_data_blocks_range() Documentation/ABI/testing/sysfs-fs-f2fs | 7 ++++++ fs/f2fs/f2fs.h | 2 ++ fs/f2fs/file.c | 29 +++++++++++++++++++++---- fs/f2fs/shrinker.c | 27 +++++++++++++++++++++++ fs/f2fs/sysfs.c | 8 +++++++ 5 files changed, 69 insertions(+), 4 deletions(-) -- 2.48.0.rc2.279.g1de40edade-goog