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nfs: stash nfs_subversion reference into nfs_mount_info

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That will allow to get rid of passing those references around in
quite a few places.  Moreover, that will allow to merge xdev and
remote file_system_type.

Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Al Viro 2019-12-10 07:30:56 -05:00 committed by Anna Schumaker
parent 250d69f6a4
commit 6a3f7a399e
4 changed files with 6 additions and 3 deletions
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1
fs/nfs/internal.h
View File

@ -142,6 +142,7 @@ struct nfs_mount_info {
struct nfs_clone_mount *cloned;
struct nfs_server *server;
struct nfs_fh *mntfh;
struct nfs_subversion *nfs_mod;
};
extern int nfs_mount(struct nfs_mount_request *info);

6
fs/nfs/namespace.c
View File

@ -236,8 +236,8 @@ struct vfsmount *nfs_do_submount(struct dentry *dentry, struct nfs_fh *fh,
.set_security = nfs_clone_sb_security,
.cloned = &mountdata,
.mntfh = fh,
.nfs_mod = NFS_SB(sb)->nfs_client->cl_nfs_mod,
};
struct nfs_subversion *nfs_mod = NFS_SB(sb)->nfs_client->cl_nfs_mod;
struct nfs_server *server;
struct vfsmount *mnt;
char *page = (char *) __get_free_page(GFP_USER);
@ -246,8 +246,8 @@ struct vfsmount *nfs_do_submount(struct dentry *dentry, struct nfs_fh *fh,
if (page == NULL)
return ERR_PTR(-ENOMEM);
server = nfs_mod->rpc_ops->clone_server(NFS_SB(sb), fh,
fattr, authflavor);
server = mount_info.nfs_mod->rpc_ops->clone_server(NFS_SB(sb), fh,
fattr, authflavor);
if (IS_ERR(server))
return ERR_CAST(server);

1
fs/nfs/nfs4super.c
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@ -248,6 +248,7 @@ static struct dentry *nfs4_referral_mount(struct file_system_type *fs_type,
.fill_super = nfs_fill_super,
.set_security = nfs_clone_sb_security,
.cloned = data,
.nfs_mod = &nfs_v4,
};
struct dentry *res;

1
fs/nfs/super.c
View File

@ -2761,6 +2761,7 @@ struct dentry *nfs_fs_mount(struct file_system_type *fs_type,
mntroot = ERR_CAST(nfs_mod);
goto out;
}
mount_info.nfs_mod = nfs_mod;
mntroot = nfs_mod->rpc_ops->try_mount(flags, dev_name, &mount_info, nfs_mod);