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From: David Howells <dhowells@redhat.com>
To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com
Cc: Al Viro <viro@zeniv.linux.org.uk>,
	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 02/23] nfs: stash server into struct nfs_mount_info
Date: Thu, 23 May 2019 17:16:01 +0100	[thread overview]
Message-ID: <155862816099.26654.9619516592946983710.stgit@warthog.procyon.org.uk> (raw)
In-Reply-To: <155862813755.26654.563679411147031501.stgit@warthog.procyon.org.uk>

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 498fab72f70b..ce00e61b9b2a 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -149,6 +149,7 @@ 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;
 };
 
@@ -404,7 +405,7 @@ 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 a392e9454287..a962042972fa 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -108,13 +108,12 @@ 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,
@@ -259,7 +258,6 @@ 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");
@@ -269,8 +267,8 @@ 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 e4108e20af0f..485604fa2ae3 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1874,14 +1874,12 @@ 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);
 
@@ -2601,20 +2599,21 @@ 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);
 
@@ -2755,7 +2754,6 @@ 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;
 
@@ -2764,10 +2762,9 @@ 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);


  parent reply	other threads:[~2019-05-23 16:16 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-23 16:15 [PATCH 00/23] nfs: Mount API conversion David Howells
2019-05-23 16:15 ` [PATCH 01/23] saner calling conventions for nfs_fs_mount_common() David Howells
2019-05-23 16:16 ` David Howells [this message]
2019-05-23 16:16 ` [PATCH 03/23] nfs: lift setting mount_info from nfs4_remote{, _referral}_mount David Howells
2019-05-23 16:16 ` [PATCH 04/23] nfs: fold nfs4_remote_fs_type and nfs4_remote_referral_fs_type David Howells
2019-05-23 16:16 ` [PATCH 05/23] nfs: don't bother setting/restoring export_path around do_nfs_root_mount() David Howells
2019-05-23 16:16 ` [PATCH 06/23] nfs4: fold nfs_do_root_mount/nfs_follow_remote_path David Howells
2019-05-23 16:16 ` [PATCH 07/23] nfs: lift setting mount_info from nfs_xdev_mount() David Howells
2019-05-23 16:17 ` [PATCH 08/23] nfs: stash nfs_subversion reference into nfs_mount_info David Howells
2019-05-23 16:17 ` [PATCH 09/23] nfs: don't bother passing nfs_subversion to ->try_mount() and nfs_fs_mount_common() David Howells
2019-05-23 16:17 ` [PATCH 10/23] nfs: merge xdev and remote file_system_type David Howells
2019-05-23 16:17 ` [PATCH 11/23] nfs: unexport nfs_fs_mount_common() David Howells
2019-05-23 16:17 ` [PATCH 12/23] nfs: don't pass nfs_subversion to ->create_server() David Howells
2019-05-23 16:17 ` [PATCH 13/23] nfs: get rid of mount_info ->fill_super() David Howells
2019-05-23 16:17 ` [PATCH 14/23] nfs_clone_sb_security(): simplify the check for server bogosity David Howells
2019-05-23 16:18 ` [PATCH 15/23] nfs: get rid of ->set_security() David Howells
2019-05-23 16:18 ` [PATCH 16/23] NFS: Move mount parameterisation bits into their own file David Howells
2019-05-23 16:18 ` [PATCH 17/23] NFS: Constify mount argument match tables David Howells
2019-05-23 16:18 ` [PATCH 18/23] NFS: Rename struct nfs_parsed_mount_data to struct nfs_fs_context David Howells
2019-05-23 16:18 ` [PATCH 19/23] NFS: Split nfs_parse_mount_options() David Howells
2019-05-23 16:18 ` [PATCH 20/23] NFS: Deindent nfs_fs_context_parse_option() David Howells
2019-05-23 16:18 ` [PATCH 21/23] NFS: Add a small buffer in nfs_fs_context to avoid string dup David Howells
2019-05-23 16:18 ` [PATCH 22/23] NFS: Do some tidying of the parsing code David Howells
2019-05-23 16:19 ` [PATCH 23/23] NFS: Add fs_context support David Howells
2019-05-25 23:08   ` Al Viro
2019-05-29 21:18   ` Schumaker, Anna
2019-06-06  9:41   ` David Howells

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