From patchwork Sun Oct 25 03:41:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chengguang Xu X-Patchwork-Id: 11855151 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ECF4C16C1 for ; Sun, 25 Oct 2020 03:42:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D09F621707 for ; Sun, 25 Oct 2020 03:42:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mykernel.net header.i=cgxu519@mykernel.net header.b="VfMVGjzg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1766967AbgJYDm2 (ORCPT ); Sat, 24 Oct 2020 23:42:28 -0400 Received: from sender2-op-o12.zoho.com.cn ([163.53.93.243]:17197 "EHLO sender2-op-o12.zoho.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1766958AbgJYDm2 (ORCPT ); Sat, 24 Oct 2020 23:42:28 -0400 ARC-Seal: i=1; a=rsa-sha256; t=1603597312; cv=none; d=zoho.com.cn; s=zohoarc; b=QTdiBc2C9xce0IadyMG5t2XEq2sv9BMm1TUGZVSDvfTeVdm1Jf/8sdDmjcRSL23zj5uojnzm6Yix574oTTDwRWmzi5Jk/uMvFxjpR7+UzXoB5YK7wMJhc9aQiQF5nayzIRbvsbvIJu5QVbSAN1j2WUyJ9U9FJMDIdcunVDT7UxM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com.cn; s=zohoarc; t=1603597312; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:To; bh=whkdWBX4YYmNu9HrxGNBjvSFZHvEVO3fka8tRUjbQVI=; b=m6iA4zWa4rHDG8VZQ7mSv6cVGyCGFvcfqE4ONDMWluIRL937lnhbD8JxRVbINQKgEW30Z2cG7WL+xnJ7tF+DU83WqHzKqsRgIRCxuez49nv+zmr2UHZkSLepL+po1gvsOVu49JHK8JRAVGlfxtfG57Le8aD7iezrypbzAmAgm30= ARC-Authentication-Results: i=1; mx.zoho.com.cn; dkim=pass header.i=mykernel.net; spf=pass smtp.mailfrom=cgxu519@mykernel.net; dmarc=pass header.from= header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1603597312; s=zohomail; d=mykernel.net; i=cgxu519@mykernel.net; h=From:To:Cc:Message-ID:Subject:Date:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Content-Type; bh=whkdWBX4YYmNu9HrxGNBjvSFZHvEVO3fka8tRUjbQVI=; b=VfMVGjzglsaAttXGU5EwrIRylXVpa4Bfu75hxsBlOTSCxavrdNDUZdVrAPnckHbF vMVKYKR371sFbEo8dMneONOiwuq9UrPJhNmptynkV1MwFkNwE6VE3A4gE65J/X3NPhR VClRjjTx4PWHFm8brSEFjhNfEmzlx4+EKRp0J7m4= Received: from localhost.localdomain (113.88.132.7 [113.88.132.7]) by mx.zoho.com.cn with SMTPS id 1603597310890707.4740275305193; Sun, 25 Oct 2020 11:41:50 +0800 (CST) From: Chengguang Xu To: miklos@szeredi.hu, amir73il@gmail.com, jack@suse.cz Cc: linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Chengguang Xu Message-ID: <20201025034117.4918-4-cgxu519@mykernel.net> Subject: [RFC PATCH v2 3/8] ovl: implement overlayfs' ->evict_inode operation Date: Sun, 25 Oct 2020 11:41:12 +0800 X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201025034117.4918-1-cgxu519@mykernel.net> References: <20201025034117.4918-1-cgxu519@mykernel.net> MIME-Version: 1.0 X-ZohoCNMailClient: External Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Implement overlayfs' ->evict_inode operation, so that we can clear all inode dirty flags. Signed-off-by: Chengguang Xu --- fs/overlayfs/super.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index d1e546abce87..5d7e12b8bd1f 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -390,11 +390,18 @@ static int ovl_remount(struct super_block *sb, int *flags, char *data) return ret; } +static void ovl_evict_inode(struct inode *inode) +{ + inode->i_state &= ~I_DIRTY_ALL; + clear_inode(inode); +} + static const struct super_operations ovl_super_operations = { .alloc_inode = ovl_alloc_inode, .free_inode = ovl_free_inode, .destroy_inode = ovl_destroy_inode, .drop_inode = generic_delete_inode, + .evict_inode = ovl_evict_inode, .put_super = ovl_put_super, .sync_fs = ovl_sync_fs, .statfs = ovl_statfs,