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From: Scott Mayhew <smayhew@redhat.com>
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
Subject: [PATCH v4 02/26] nfs: stash server into struct nfs_mount_info
Date: Fri, 13 Sep 2019 08:17:24 -0400
Message-ID: <20190913121748.25391-3-smayhew@redhat.com> (raw)
In-Reply-To: <20190913121748.25391-1-smayhew@redhat.com>

From: Al Viro <viro@zeniv.linux.org.uk>

Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/nfs/internal.h  |  3 ++-
 fs/nfs/nfs4super.c | 10 ++++------
 fs/nfs/super.c     | 19 ++++++++-----------
 3 files changed, 14 insertions(+), 18 deletions(-)

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index a2346a2f8361..c132e683e1c9 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -150,6 +150,7 @@ struct nfs_mount_info {
 	int (*set_security)(struct super_block *, struct dentry *, struct nfs_mount_info *);
 	struct nfs_parsed_mount_data *parsed;
 	struct nfs_clone_mount *cloned;
+	struct nfs_server *server;
 	struct nfs_fh *mntfh;
 };
 
@@ -405,7 +406,7 @@ struct dentry *nfs_try_mount(int, const char *, struct nfs_mount_info *,
 			struct nfs_subversion *);
 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(struct nfs_server *, int, const char *,
+struct dentry *nfs_fs_mount_common(int, const char *,
 				   struct nfs_mount_info *, struct nfs_subversion *);
 struct dentry *nfs_fs_mount(struct file_system_type *, int, const char *, void *);
 struct dentry * nfs_xdev_mount_common(struct file_system_type *, int,
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index baece9857bcf..4591d6618efa 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -109,13 +109,12 @@ nfs4_remote_mount(struct file_system_type *fs_type, int flags,
 		  const char *dev_name, void *info)
 {
 	struct nfs_mount_info *mount_info = info;
-	struct nfs_server *server;
 
 	mount_info->set_security = nfs_set_sb_security;
 
 	/* Get a volume representation */
-	server = nfs4_create_server(mount_info, &nfs_v4);
-	return nfs_fs_mount_common(server, flags, dev_name, mount_info, &nfs_v4);
+	mount_info->server = nfs4_create_server(mount_info, &nfs_v4);
+	return nfs_fs_mount_common(flags, dev_name, mount_info, &nfs_v4);
 }
 
 static struct vfsmount *nfs_do_root_mount(struct file_system_type *fs_type,
@@ -260,7 +259,6 @@ nfs4_remote_referral_mount(struct file_system_type *fs_type, int flags,
 		.set_security = nfs_clone_sb_security,
 		.cloned = raw_data,
 	};
-	struct nfs_server *server;
 	struct dentry *mntroot = ERR_PTR(-ENOMEM);
 
 	dprintk("--> nfs4_referral_get_sb()\n");
@@ -270,8 +268,8 @@ nfs4_remote_referral_mount(struct file_system_type *fs_type, int flags,
 		goto out;
 
 	/* create a new volume representation */
-	server = nfs4_create_referral_server(mount_info.cloned, mount_info.mntfh);
-	mntroot = nfs_fs_mount_common(server, flags, dev_name, &mount_info, &nfs_v4);
+	mount_info.server = nfs4_create_referral_server(mount_info.cloned, mount_info.mntfh);
+	mntroot = nfs_fs_mount_common(flags, dev_name, &mount_info, &nfs_v4);
 out:
 	nfs_free_fhandle(mount_info.mntfh);
 	return mntroot;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 467d7a636f0b..10544ef8de57 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1896,14 +1896,12 @@ struct dentry *nfs_try_mount(int flags, const char *dev_name,
 			     struct nfs_mount_info *mount_info,
 			     struct nfs_subversion *nfs_mod)
 {
-	struct nfs_server *server;
-
 	if (mount_info->parsed->need_mount)
-		server = nfs_try_mount_request(mount_info, nfs_mod);
+		mount_info->server = nfs_try_mount_request(mount_info, nfs_mod);
 	else
-		server = nfs_mod->rpc_ops->create_server(mount_info, nfs_mod);
+		mount_info->server = nfs_mod->rpc_ops->create_server(mount_info, nfs_mod);
 
-	return nfs_fs_mount_common(server, flags, dev_name, mount_info, nfs_mod);
+	return nfs_fs_mount_common(flags, dev_name, mount_info, nfs_mod);
 }
 EXPORT_SYMBOL_GPL(nfs_try_mount);
 
@@ -2624,20 +2622,21 @@ int nfs_clone_sb_security(struct super_block *s, struct dentry *mntroot,
 }
 EXPORT_SYMBOL_GPL(nfs_clone_sb_security);
 
-struct dentry *nfs_fs_mount_common(struct nfs_server *server,
-				   int flags, const char *dev_name,
+struct dentry *nfs_fs_mount_common(int flags, const char *dev_name,
 				   struct nfs_mount_info *mount_info,
 				   struct nfs_subversion *nfs_mod)
 {
 	struct super_block *s;
 	struct dentry *mntroot = ERR_PTR(-ENOMEM);
 	int (*compare_super)(struct super_block *, void *) = nfs_compare_super;
+	struct nfs_server *server = mount_info->server;
 	struct nfs_sb_mountdata sb_mntdata = {
 		.mntflags = flags,
 		.server = server,
 	};
 	int error;
 
+	mount_info->server = NULL;
 	if (IS_ERR(server))
 		return ERR_CAST(server);
 
@@ -2778,7 +2777,6 @@ nfs_xdev_mount(struct file_system_type *fs_type, int flags,
 		.set_security = nfs_clone_sb_security,
 		.cloned = data,
 	};
-	struct nfs_server *server;
 	struct dentry *mntroot = ERR_PTR(-ENOMEM);
 	struct nfs_subversion *nfs_mod = NFS_SB(data->sb)->nfs_client->cl_nfs_mod;
 
@@ -2787,10 +2785,9 @@ nfs_xdev_mount(struct file_system_type *fs_type, int flags,
 	mount_info.mntfh = mount_info.cloned->fh;
 
 	/* create a new volume representation */
-	server = nfs_mod->rpc_ops->clone_server(NFS_SB(data->sb), data->fh, data->fattr, data->authflavor);
+	mount_info.server = nfs_mod->rpc_ops->clone_server(NFS_SB(data->sb), data->fh, data->fattr, data->authflavor);
 
-	mntroot = nfs_fs_mount_common(server, flags,
-				dev_name, &mount_info, nfs_mod);
+	mntroot = nfs_fs_mount_common(flags, dev_name, &mount_info, nfs_mod);
 
 	dprintk("<-- nfs_xdev_mount() = %ld\n",
 			IS_ERR(mntroot) ? PTR_ERR(mntroot) : 0L);
-- 
2.17.2


  parent reply index

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-13 12:17 [PATCH v4 00/26] nfs: Mount API conversion Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 01/26] saner calling conventions for nfs_fs_mount_common() Scott Mayhew
2019-09-13 12:17 ` Scott Mayhew [this message]
2019-09-13 12:17 ` [PATCH v4 03/26] nfs: lift setting mount_info from nfs4_remote{,_referral}_mount Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 04/26] nfs: fold nfs4_remote_fs_type and nfs4_remote_referral_fs_type Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 05/26] nfs: don't bother setting/restoring export_path around do_nfs_root_mount() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 06/26] nfs4: fold nfs_do_root_mount/nfs_follow_remote_path Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 07/26] nfs: lift setting mount_info from nfs_xdev_mount() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 08/26] nfs: stash nfs_subversion reference into nfs_mount_info Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 09/26] nfs: don't bother passing nfs_subversion to ->try_mount() and nfs_fs_mount_common() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 10/26] nfs: merge xdev and remote file_system_type Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 11/26] nfs: unexport nfs_fs_mount_common() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 12/26] nfs: don't pass nfs_subversion to ->create_server() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 13/26] nfs: get rid of mount_info ->fill_super() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 14/26] nfs_clone_sb_security(): simplify the check for server bogosity Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 15/26] nfs: get rid of ->set_security() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 16/26] NFS: Move mount parameterisation bits into their own file Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 17/26] NFS: Constify mount argument match tables Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 18/26] NFS: Rename struct nfs_parsed_mount_data to struct nfs_fs_context Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 19/26] NFS: Split nfs_parse_mount_options() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 20/26] NFS: Deindent nfs_fs_context_parse_option() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 21/26] NFS: Add a small buffer in nfs_fs_context to avoid string dup Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 22/26] NFS: Do some tidying of the parsing code Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 23/26] NFS: rename nfs_fs_context pointer arg in a few functions Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 24/26] NFS: Convert mount option parsing to use functionality from fs_parser.h Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 25/26] NFS: Add fs_context support Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 26/26] NFS: Attach supplementary error information to fs_context Scott Mayhew

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