From patchwork Thu Jan 16 17:19:42 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaegeuk Kim X-Patchwork-Id: 13942071 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 46CC8C02188 for ; Thu, 16 Jan 2025 17:24:53 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-3.v29.lw.sourceforge.com) by sfs-ml-3.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1tYTbx-0002NP-GA; Thu, 16 Jan 2025 17:24:52 +0000 Received: from [172.30.29.66] (helo=mx.sourceforge.net) by sfs-ml-3.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1tYTbw-0002NI-GG for linux-f2fs-devel@lists.sourceforge.net; Thu, 16 Jan 2025 17:24:51 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:MIME-Version:Message-ID: Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=6HvHWpigxqukTYq2bJCH66ZzPL4RmewNoh8kVi6nfJk=; b=PZ30hpwX+eu3Tr2MAS/U/guGDB QegPMT+LZ+Y3+q3mOBIh7As7F9aJeygNlEo11Q0ybyvnQHE2bAZg5vJC8Zl0RU/0/Qty+HwCK3/Uf 53mq7DmOtTId/U+nMaNDgIVOxW7JP2/yt0cLMH007MtaEURZcUOgwh1eSnjc5oJMZVeU=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:Cc:To:From :Sender:Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post: List-Owner:List-Archive; bh=6HvHWpigxqukTYq2bJCH66ZzPL4RmewNoh8kVi6nfJk=; b=M DYIC4vAMAjVvaJIRyEUDfbr4QzuDErIYRpySr/wdjKvnF0xHhmPlcemkOqpbFrV6Sj3xxut4eSzUy k1ekjaAV42ixoRsLonC2mKZ+cN87xvwRcAnVodYd1OQyNn54rueE3/rxL6PDMvmNlRdlXmRTIhAKh XVICO9lOibB7B1ew=; Received: from dfw.source.kernel.org ([139.178.84.217]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1tYTbv-0002r9-Ae for linux-f2fs-devel@lists.sourceforge.net; Thu, 16 Jan 2025 17:24:51 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 44D9C5C54CE for ; Thu, 16 Jan 2025 17:24:00 +0000 (UTC) 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== To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net 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 MIME-Version: 1.0 X-Headers-End: 1tYTbv-0002r9-Ae Subject: [f2fs-dev] [PATCH 0/2 v5] add ioctl/sysfs to donate file-backed pages X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Jaegeuk Kim via Linux-f2fs-devel From: Jaegeuk Kim Reply-To: Jaegeuk Kim Cc: Jaegeuk Kim Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net 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(-)