1 files changed, 14 insertions, 2 deletions

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index b0068579bec2..2c2c67d2eb42 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1016,9 +1016,12 @@ struct nfs_read_data {
         unsigned int            npages; /* Max length of pagevec */
         struct nfs_readargs args;
         struct nfs_readres  res;
-#ifdef CONFIG_NFS_V4
         unsigned long           timestamp;      /* For lease renewal */
-#endif
+        struct pnfs_layout_segment *lseg;
+        struct nfs_client       *ds_clp;        /* pNFS data server */
+        const struct rpc_call_ops *mds_ops;
+        int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
+        __u64                   mds_offset;
         struct page             *page_array[NFS_PAGEVEC_SIZE];
 };
 
@@ -1035,13 +1038,20 @@ struct nfs_write_data {
         unsigned int            npages;         /* Max length of pagevec */
         struct nfs_writeargs    args;           /* argument struct */
         struct nfs_writeres     res;            /* result struct */
+        struct pnfs_layout_segment *lseg;
+        struct nfs_client       *ds_clp;        /* pNFS data server */
+        const struct rpc_call_ops *mds_ops;
+        int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
 #ifdef CONFIG_NFS_V4
         unsigned long           timestamp;      /* For lease renewal */
 #endif
+        __u64                   mds_offset;     /* Filelayout dense stripe */
         struct page             *page_array[NFS_PAGEVEC_SIZE];
 };
 
 struct nfs_access_entry;
+struct nfs_client;
+struct rpc_timeout;
 
 /*
  * RPC procedure vector for NFSv2/NFSv3 demuxing
@@ -1106,6 +1116,8 @@ struct nfs_rpc_ops {
                                 struct nfs_open_context *ctx,
                                 int open_flags,
                                 struct iattr *iattr);
+        int     (*init_client) (struct nfs_client *, const struct rpc_timeout *,
+                                const char *, rpc_authflavor_t, int);
 };
 
 /*