From nobody Tue Feb 10 04:13:31 2026 Received: from canpmsgout04.his.huawei.com (canpmsgout04.his.huawei.com [113.46.200.219]) (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 94F7D25A659 for ; Tue, 21 Oct 2025 10:59:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.219 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761044379; cv=none; b=V3kq2ThJjRPDm0npX4vH9l0TpxR+TcHr/6cJLMkr/TdPe6m1btOEbqR/osSGnF9mXFj2OnwSpSQdxrlb2seHPnw/Wv2jNEAJKbnKZIT89q+7SnAP5j2x1gB9K3cWgn50Ayo10dcNC7ubdxAdeJe1xoC8plHjrUZVtV4no4PKG6Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761044379; c=relaxed/simple; bh=hxYo7Q6qOMeggBzfEhc8RHPansfQK2QUiJ09j6RQiIM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=k7kugSCgF4gkPQD0/QFMFfnujQcFhJ4dld+MJsun/NPvv4Z9VthwPsi/kUAUABGYUjjQ79c+HB4GF97Bvt4BqQWNWjiDksBsgcEKtXbx+YmXStPpYqfhi8HnpjhueS+wfR1huGvzEnhCsegU56+YmZfSgjhXrJso0kJGTomWfZ0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=47ADE1VB; arc=none smtp.client-ip=113.46.200.219 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="47ADE1VB" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=ck6npKF+h2adwSuQA2R5HJLsYhHiaeynnKxMeeII07Y=; b=47ADE1VBKayVDXlfGWjppD5Q3HsUlPmyl2823Ec93LKTFo+BZ4ayGE/cSJOLkotjTQQVYv5Mm 3G8CxfzCOaXzx8kTnwLFOSgtNsTefOeldOf1AVtinYJGWpvne3rM8/8/s/0zoSqnCoanN0HWkQt 6kMae5IM70a9CMJGRNW5XXM= Received: from mail.maildlp.com (unknown [172.19.163.252]) by canpmsgout04.his.huawei.com (SkyGuard) with ESMTPS id 4crTnS6kg7z1prQN; Tue, 21 Oct 2025 18:59:08 +0800 (CST) Received: from kwepemr500015.china.huawei.com (unknown [7.202.195.162]) by mail.maildlp.com (Postfix) with ESMTPS id 5038C180B6B; Tue, 21 Oct 2025 18:59:33 +0800 (CST) Received: from huawei.com (10.67.174.162) by kwepemr500015.china.huawei.com (7.202.195.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Tue, 21 Oct 2025 18:59:32 +0800 From: Hongbo Li To: , , , CC: , , Subject: [PATCH RFC v7 1/7] erofs: move `struct erofs_anon_fs_type` to super.c Date: Tue, 21 Oct 2025 10:48:09 +0000 Message-ID: <20251021104815.70662-2-lihongbo22@huawei.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20251021104815.70662-1-lihongbo22@huawei.com> References: <20251021104815.70662-1-lihongbo22@huawei.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: kwepems100001.china.huawei.com (7.221.188.238) To kwepemr500015.china.huawei.com (7.202.195.162) Content-Type: text/plain; charset="utf-8" From: Hongzhen Luo Move the `struct erofs_anon_fs_type` to the super.c and expose it in preparation for the upcoming page cache share feature. Signed-off-by: Hongzhen Luo [hongbo: forward port] Signed-off-by: Hongbo Li --- fs/erofs/fscache.c | 13 ------------- fs/erofs/internal.h | 2 ++ fs/erofs/super.c | 13 +++++++++++++ 3 files changed, 15 insertions(+), 13 deletions(-) diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c index 362acf828279..2d1683479fc0 100644 --- a/fs/erofs/fscache.c +++ b/fs/erofs/fscache.c @@ -3,7 +3,6 @@ * Copyright (C) 2022, Alibaba Cloud * Copyright (C) 2022, Bytedance Inc. All rights reserved. */ -#include #include #include "internal.h" =20 @@ -13,18 +12,6 @@ static LIST_HEAD(erofs_domain_list); static LIST_HEAD(erofs_domain_cookies_list); static struct vfsmount *erofs_pseudo_mnt; =20 -static int erofs_anon_init_fs_context(struct fs_context *fc) -{ - return init_pseudo(fc, EROFS_SUPER_MAGIC) ? 0 : -ENOMEM; -} - -static struct file_system_type erofs_anon_fs_type =3D { - .owner =3D THIS_MODULE, - .name =3D "pseudo_erofs", - .init_fs_context =3D erofs_anon_init_fs_context, - .kill_sb =3D kill_anon_super, -}; - struct erofs_fscache_io { struct netfs_cache_resources cres; struct iov_iter iter; diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index f7f622836198..eac067446140 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -409,6 +409,8 @@ extern const struct file_operations erofs_dir_fops; =20 extern const struct iomap_ops z_erofs_iomap_report_ops; =20 +extern struct file_system_type erofs_anon_fs_type; + /* flags for erofs_fscache_register_cookie() */ #define EROFS_REG_COOKIE_SHARE 0x0001 #define EROFS_REG_COOKIE_NEED_NOEXIST 0x0002 diff --git a/fs/erofs/super.c b/fs/erofs/super.c index f3f8d8c066e4..f9d8f978bf81 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -11,6 +11,7 @@ #include #include #include +#include #include "xattr.h" =20 #define CREATE_TRACE_POINTS @@ -920,6 +921,18 @@ static struct file_system_type erofs_fs_type =3D { }; MODULE_ALIAS_FS("erofs"); =20 +static int erofs_anon_init_fs_context(struct fs_context *fc) +{ + return init_pseudo(fc, EROFS_SUPER_MAGIC) ? 0 : -ENOMEM; +} + +struct file_system_type erofs_anon_fs_type =3D { + .owner =3D THIS_MODULE, + .name =3D "pseudo_erofs", + .init_fs_context =3D erofs_anon_init_fs_context, + .kill_sb =3D kill_anon_super, +}; + static int __init erofs_module_init(void) { int err; --=20 2.22.0