From patchwork Tue Dec 10 12:30:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Scott Mayhew X-Patchwork-Id: 11282293 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 5816E15AB for ; Tue, 10 Dec 2019 12:33:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2CDC9214AF for ; Tue, 10 Dec 2019 12:33:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="EuyfO56W" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727577AbfLJMdC (ORCPT ); Tue, 10 Dec 2019 07:33:02 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:33291 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727536AbfLJMbY (ORCPT ); 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Tue, 10 Dec 2019 12:31:17 +0000 (UTC) Received: from coeurl.usersys.redhat.com (ovpn-123-90.rdu2.redhat.com [10.10.123.90]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0CF9E1001925; Tue, 10 Dec 2019 12:31:17 +0000 (UTC) Received: by coeurl.usersys.redhat.com (Postfix, from userid 1000) id B865820C1B; Tue, 10 Dec 2019 07:31:15 -0500 (EST) From: Scott Mayhew To: anna.schumaker@netapp.com, trond.myklebust@hammerspace.com Cc: dhowells@redhat.com, viro@zeniv.linux.org.uk, linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org Subject: [PATCH v6 09/27] nfs: don't bother passing nfs_subversion to ->try_mount() and nfs_fs_mount_common() Date: Tue, 10 Dec 2019 07:30:57 -0500 Message-Id: <20191210123115.1655-10-smayhew@redhat.com> In-Reply-To: <20191210123115.1655-1-smayhew@redhat.com> References: <20191210123115.1655-1-smayhew@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: nqbMR5EHPxiJsra6h4E8-g-1 X-Mimecast-Spam-Score: 0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Al Viro Reviewed-by: David Howells Signed-off-by: Al Viro --- fs/nfs/internal.h | 6 ++---- fs/nfs/nfs4_fs.h | 2 +- fs/nfs/nfs4super.c | 5 ++--- fs/nfs/super.c | 19 ++++++++----------- include/linux/nfs_xdr.h | 3 +-- 5 files changed, 14 insertions(+), 21 deletions(-) diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 9888e9c7abe2..4a0ba66bc3aa 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -393,12 +393,10 @@ extern struct file_system_type nfs_xdev_fs_type; extern struct file_system_type nfs4_referral_fs_type; #endif bool nfs_auth_info_match(const struct nfs_auth_info *, rpc_authflavor_t); -struct dentry *nfs_try_mount(int, const char *, struct nfs_mount_info *, - struct nfs_subversion *); +struct dentry *nfs_try_mount(int, const char *, struct nfs_mount_info *); int nfs_set_sb_security(struct super_block *, struct dentry *, struct nfs_mount_info *); int nfs_clone_sb_security(struct super_block *, struct dentry *, struct nfs_mount_info *); -struct dentry *nfs_fs_mount_common(int, const char *, - struct nfs_mount_info *, struct nfs_subversion *); +struct dentry *nfs_fs_mount_common(int, const char *, struct nfs_mount_info *); struct dentry *nfs_fs_mount(struct file_system_type *, int, const char *, void *); struct dentry * nfs_xdev_mount_common(struct file_system_type *, int, const char *, struct nfs_mount_info *); diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index a7a73b1d1fec..5d539dce9cef 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -526,7 +526,7 @@ extern const nfs4_stateid invalid_stateid; /* nfs4super.c */ struct nfs_mount_info; extern struct nfs_subversion nfs_v4; -struct dentry *nfs4_try_mount(int, const char *, struct nfs_mount_info *, struct nfs_subversion *); +struct dentry *nfs4_try_mount(int, const char *, struct nfs_mount_info *); extern bool nfs4_disable_idmapping; extern unsigned short max_session_slots; extern unsigned short max_session_cb_slots; diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c index 6e5417027021..2b34d8e124cd 100644 --- a/fs/nfs/nfs4super.c +++ b/fs/nfs/nfs4super.c @@ -98,7 +98,7 @@ static struct dentry * nfs4_remote_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *info) { - return nfs_fs_mount_common(flags, dev_name, info, &nfs_v4); + return nfs_fs_mount_common(flags, dev_name, info); } struct nfs_referral_count { @@ -216,8 +216,7 @@ static struct dentry *do_nfs4_mount(struct nfs_server *server, int flags, } struct dentry *nfs4_try_mount(int flags, const char *dev_name, - struct nfs_mount_info *mount_info, - struct nfs_subversion *nfs_mod) + struct nfs_mount_info *mount_info) { struct nfs_parsed_mount_data *data = mount_info->parsed; struct dentry *res; diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 6189f768aa59..cb0ead628842 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1893,15 +1893,15 @@ static struct nfs_server *nfs_try_mount_request(struct nfs_mount_info *mount_inf } struct dentry *nfs_try_mount(int flags, const char *dev_name, - struct nfs_mount_info *mount_info, - struct nfs_subversion *nfs_mod) + struct nfs_mount_info *mount_info) { + struct nfs_subversion *nfs_mod = mount_info->nfs_mod; if (mount_info->parsed->need_mount) mount_info->server = nfs_try_mount_request(mount_info, nfs_mod); else mount_info->server = nfs_mod->rpc_ops->create_server(mount_info, nfs_mod); - return nfs_fs_mount_common(flags, dev_name, mount_info, nfs_mod); + return nfs_fs_mount_common(flags, dev_name, mount_info); } EXPORT_SYMBOL_GPL(nfs_try_mount); @@ -2648,8 +2648,7 @@ static void nfs_set_readahead(struct backing_dev_info *bdi, } struct dentry *nfs_fs_mount_common(int flags, const char *dev_name, - struct nfs_mount_info *mount_info, - struct nfs_subversion *nfs_mod) + struct nfs_mount_info *mount_info) { struct super_block *s; struct dentry *mntroot = ERR_PTR(-ENOMEM); @@ -2677,7 +2676,8 @@ struct dentry *nfs_fs_mount_common(int flags, const char *dev_name, sb_mntdata.mntflags |= SB_SYNCHRONOUS; /* Get a superblock - note that we may end up sharing one that already exists */ - s = sget(nfs_mod->nfs_fs, compare_super, nfs_set_super, flags, &sb_mntdata); + s = sget(mount_info->nfs_mod->nfs_fs, compare_super, nfs_set_super, + flags, &sb_mntdata); if (IS_ERR(s)) { mntroot = ERR_CAST(s); goto out_err_nosb; @@ -2763,7 +2763,7 @@ struct dentry *nfs_fs_mount(struct file_system_type *fs_type, } mount_info.nfs_mod = nfs_mod; - mntroot = nfs_mod->rpc_ops->try_mount(flags, dev_name, &mount_info, nfs_mod); + mntroot = nfs_mod->rpc_ops->try_mount(flags, dev_name, &mount_info); put_nfs_version(nfs_mod); out: @@ -2797,10 +2797,7 @@ static struct dentry * nfs_xdev_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *raw_data) { - struct nfs_mount_info *info = raw_data; - struct nfs_subversion *nfs_mod = NFS_SB(info->cloned->sb)->nfs_client->cl_nfs_mod; - - return nfs_fs_mount_common(flags, dev_name, info, nfs_mod); + return nfs_fs_mount_common(flags, dev_name, raw_data); } #if IS_ENABLED(CONFIG_NFS_V4) diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 72d5695c1b47..3ee2ad642cbc 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1655,8 +1655,7 @@ struct nfs_rpc_ops { struct nfs_fsinfo *); struct vfsmount *(*submount) (struct nfs_server *, struct dentry *, struct nfs_fh *, struct nfs_fattr *); - struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *, - struct nfs_subversion *); + struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *); int (*getattr) (struct nfs_server *, struct nfs_fh *, struct nfs_fattr *, struct nfs4_label *, struct inode *);