NFS: Introduce a vector of migration recovery ops

The differences between minor version 0 and minor version 1
migration will be abstracted by the addition of a set of migration
recovery ops.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index fcae728..4f48000 100644 (file)
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -50,6 +50,7 @@ struct nfs4_minor_version_ops {
        const struct nfs4_state_recovery_ops *reboot_recovery_ops;
        const struct nfs4_state_recovery_ops *nograce_recovery_ops;
        const struct nfs4_state_maintenance_ops *state_renewal_ops;
+       const struct nfs4_mig_recovery_ops *mig_recovery_ops;
 };
 
 #define NFS_SEQID_CONFIRMED 1
@@ -203,6 +204,9 @@ struct nfs4_state_maintenance_ops {
        int (*renew_lease)(struct nfs_client *, struct rpc_cred *);
 };
 
+struct nfs4_mig_recovery_ops {
+};
+
 extern const struct dentry_operations nfs4_dentry_operations;
 
 /* dir.c */

diff --cc fs/nfs/nfs4proc.c
Simple merge