From patchwork Wed Feb 12 02:31:55 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaegeuk Kim X-Patchwork-Id: 13970960 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 AD186C021A0 for ; Wed, 12 Feb 2025 02:35:38 +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 1ti2bC-0004f6-4J; Wed, 12 Feb 2025 02:35:37 +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 1ti2bA-0004f0-Jn for linux-f2fs-devel@lists.sourceforge.net; Wed, 12 Feb 2025 02:35:36 +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=8adAQCNrZ+QQ9cEPurDv3X8GOTU5tVODL7oXCF/WzI8=; b=KQqEegBYckR/gg7YokvnTWc6f5 eexISNhZPygTrx884Y8IeSohIch53FO/O1M4BpUQRaAjRpHiL2ftRYZkN9T3WWYa8ekw4zuGXpgi0 vps+t+JF8vzDQNg5AcSI1FtOrgpINr0FFEUjhWc8Km47RwjhL0C2rGZ9WB6MVJNIn9vU=; 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=8adAQCNrZ+QQ9cEPurDv3X8GOTU5tVODL7oXCF/WzI8=; b=k VJMpeZrDehjw20a/w9gzrSU/yQm7U8Krw5Qo3fMRUELBO55wdBVN5iKRtIbZfM2flU/aXrAJvk5lx 0pKrRq9IniJ8ZgELtSDnC6IOcCEgIgLqYNPtILljNZNuiooj6HxqBzb1NYdeGkpGmdISMirexVksy B9S7WLnUtdVNIW40=; 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 1ti2b9-0000Ma-Cv for linux-f2fs-devel@lists.sourceforge.net; Wed, 12 Feb 2025 02:35:35 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 783BA5C56D7 for ; Wed, 12 Feb 2025 02:34:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B484C4CEDD; Wed, 12 Feb 2025 02:35:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739327724; bh=4k8gRvSUnnFtDJKlgB+W3NkTIdMqjf/Wnhl/MOXYQeQ=; h=From:To:Cc:Subject:Date:From; b=V+b/MQTg67xmsPuQDXNdM++t3OKZ98motiv0JlCIT+PJ113nIdoII8XZ4s1rr3PQS KUiISdPADo/mZnv6lKk+bvy49kBjZREtppBe57iz/49lfwSVsQzVT3t5RdyZgvl3g7 rSDvGfKpCeq2+yCnVuaiSeuJPrea6EGlzWqlA8YHy3XD9LyNn+kfog6feOzDYYl4JG XM0yKmtetmrjPEbpRdaoMctebfrCLuZo1yPvyQZpYuyBg6iTEOHE5/BR/mpK6U7zQo qYx7CA5Q1dcr7pak39X7zefiKHE2TTmlW5mEySAiqABBZNpbO0dsdvOhGy1CI7OI7t nFMCQzlU+Ml7Q== To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Date: Wed, 12 Feb 2025 02:31:55 +0000 Message-ID: <20250212023518.897942-1-jaegeuk@kernel.org> X-Mailer: git-send-email 2.48.1.601.g30ceb7b040-goog MIME-Version: 1.0 X-Headers-End: 1ti2b9-0000Ma-Cv Subject: [f2fs-dev] [PATCH 0/2 v9] reclaim file-backed pages given POSIX_FADV_NOREUSE 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 This patch series does not add new API, but implements POSIX_FADV_NOREUSE where it keeps the page ranges in the f2fs superblock and add a way for users to reclaim the pages manually. Change log from v8: - remove new APIs, but use fadvise(POSIX_FADV_NOREUSE) Jaegeuk Kim (2): f2fs: keep POSIX_FADV_NOREUSE ranges f2fs: add a sysfs entry to reclaim POSIX_FADV_NOREUSE pages Documentation/ABI/testing/sysfs-fs-f2fs | 7 ++ fs/f2fs/debug.c | 3 + fs/f2fs/f2fs.h | 14 +++- fs/f2fs/file.c | 60 +++++++++++++++-- fs/f2fs/inode.c | 14 ++++ fs/f2fs/shrinker.c | 90 +++++++++++++++++++++++++ fs/f2fs/super.c | 1 + fs/f2fs/sysfs.c | 63 +++++++++++++++++ 8 files changed, 246 insertions(+), 6 deletions(-)