NFS: Create an write_pageio_init() function

pNFS needs to select a write function based on the layout driver
currently in use, so I let each NFS version decide how to best handle
initializing writes.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index e00b8b3c334e..8ed8ec628290 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1413,6 +1413,8 @@ struct nfs_rpc_ops {
         void    (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *);
         int     (*read_done)  (struct rpc_task *, struct nfs_read_data *);
         void    (*write_setup)  (struct nfs_write_data *, struct rpc_message *);
+        void    (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int,
+                                     const struct nfs_pgio_completion_ops *);
         void    (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *);
         int     (*write_done)  (struct rpc_task *, struct nfs_write_data *);
         void    (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);