NFS: Allow the "nfs" file system type to support NFSv4

[pandora-kernel.git] / fs / nfs / internal.h

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index c2f171a..e21b1bb 100644 (file)
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -48,6 +48,11 @@ struct nfs_clone_mount {
  */
 #define NFS_MAX_SECFLAVORS     (12)
 
+/*
+ * Value used if the user did not specify a port value.
+ */
+#define NFS_UNSPEC_PORT                (-1)
+
 /*
  * In-kernel mount arguments
  */
@@ -63,6 +68,7 @@ struct nfs_parsed_mount_data {
        unsigned int            auth_flavor_len;
        rpc_authflavor_t        auth_flavors[1];
        char                    *client_address;
+       unsigned int            version;
        unsigned int            minorversion;
        char                    *fscache_uniq;
 
@@ -71,7 +77,7 @@ struct nfs_parsed_mount_data {
                size_t                  addrlen;
                char                    *hostname;
                u32                     version;
-               unsigned short          port;
+               int                     port;
                unsigned short          protocol;
        } mount_server;
 
@@ -80,7 +86,7 @@ struct nfs_parsed_mount_data {
                size_t                  addrlen;
                char                    *hostname;
                char                    *export_path;
-               unsigned short          port;
+               int                     port;
                unsigned short          protocol;
        } nfs_server;
 
@@ -248,6 +254,12 @@ extern void nfs_read_prepare(struct rpc_task *task, void *calldata);
 
 /* write.c */
 extern void nfs_write_prepare(struct rpc_task *task, void *calldata);
+#ifdef CONFIG_MIGRATION
+extern int nfs_migrate_page(struct address_space *,
+               struct page *, struct page *);
+#else
+#define nfs_migrate_page NULL
+#endif
 
 /* nfs4proc.c */
 extern int _nfs4_call_sync(struct nfs_server *server,