From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F1DDC56202 for ; Sun, 8 Nov 2020 14:04:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3679A206F4 for ; Sun, 8 Nov 2020 14:04:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mykernel.net header.i=cgxu519@mykernel.net header.b="BvwIci7S" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728471AbgKHOEG (ORCPT ); Sun, 8 Nov 2020 09:04:06 -0500 Received: from sender2-op-o12.zoho.com.cn ([163.53.93.243]:17153 "EHLO sender2-op-o12.zoho.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728363AbgKHOEE (ORCPT ); Sun, 8 Nov 2020 09:04:04 -0500 ARC-Seal: i=1; a=rsa-sha256; t=1604844205; cv=none; d=zoho.com.cn; s=zohoarc; b=SyWtE7/Bv19ZpzS7Md8FwbFWM4Qa5JlNdMXJmSRiJQpZdYj1OXWyFnoRdl4kaCG1URRiVPR0TfaKjV+nLZhz8npbPkQZdKbN+/HpON9GdgxfK3WD3jydu+m64dhz1lIYOVX5tC4SqtAc/YpOtJR0NON31ZIAMgkAv2J0iUSzbQ8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com.cn; s=zohoarc; t=1604844205; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:To; bh=rwSqy0IB5IFNNIniPqVlfmHQOsetCWP9pAfz+bgiWLc=; b=hw6Xb80ms39T6jy4w5F5mq67dFM9oq02YeSa6t6leaO5YTJalmGIjRDro8IYxak4iJtGp+eEHwfAJM8HdVupIyjv5lDjkWFB0vh7fdLFBFPI1/I7JJc4g32CrL/sBAuQ6jZ/gWtKS8sYrx2y44t7dlMmzPtAtyREHZUJ8jD6Zck= 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=1604844205; 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=rwSqy0IB5IFNNIniPqVlfmHQOsetCWP9pAfz+bgiWLc=; b=BvwIci7Sx2kV0v7A1MdIk4YKr2WzSS4ENv35gehIrsKL0Ja+n6rNwerjnxNrbloC Y9Nz+aY6QHEvxEHRNOpcwIOxqhtm0AsOHXgJgRxWGmIpz/g3qzgOQ7F5sdXt4stz45+ z0iFwD99Bcsph9N7Co/oTUhYM9Sm5jgBB7S77I2A= Received: from localhost.localdomain (113.116.49.189 [113.116.49.189]) by mx.zoho.com.cn with SMTPS id 1604844204313604.0371525151885; Sun, 8 Nov 2020 22:03:24 +0800 (CST) From: Chengguang Xu To: miklos@szeredi.hu, jack@suse.cz, amir73il@gmail.com Cc: linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Chengguang Xu Message-ID: <20201108140307.1385745-5-cgxu519@mykernel.net> Subject: [RFC PATCH v3 04/10] ovl: implement overlayfs' ->evict_inode operation Date: Sun, 8 Nov 2020 22:03:01 +0800 X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201108140307.1385745-1-cgxu519@mykernel.net> References: <20201108140307.1385745-1-cgxu519@mykernel.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoCNMailClient: External Content-Type: text/plain; charset=utf8 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 | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 1e21feb87297..694eff76eb09 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -391,11 +391,26 @@ static int ovl_remount(struct super_block *sb, int *f= lags, char *data) =09return ret; } =20 +static void ovl_evict_inode(struct inode *inode) +{ +=09struct ovl_fs *ofs =3D inode->i_sb->s_fs_info; + +=09if (!list_empty(&OVL_I(inode)->wait_list)) { +=09=09spin_lock(&ofs->syncfs_wait_list_lock); +=09=09if (!list_empty(&OVL_I(inode)->wait_list)) +=09=09=09list_del(&OVL_I(inode)->wait_list); +=09=09spin_unlock(&ofs->syncfs_wait_list_lock); +=09} +=09inode->i_state &=3D ~I_DIRTY_ALL; +=09clear_inode(inode); +} + static const struct super_operations ovl_super_operations =3D { =09.alloc_inode=09=3D ovl_alloc_inode, =09.free_inode=09=3D ovl_free_inode, =09.destroy_inode=09=3D ovl_destroy_inode, =09.drop_inode=09=3D generic_delete_inode, +=09.evict_inode=09=3D ovl_evict_inode, =09.put_super=09=3D ovl_put_super, =09.sync_fs=09=3D ovl_sync_fs, =09.statfs=09=09=3D ovl_statfs, --=20 2.26.2