NFS: create completion structure to pass into page_init functions

Factors out the code that will need to change when directio
starts using these code paths.  This will allow directio to use
the generic pagein and flush routines

Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 5c520344d8ad..bc5b7a5e787e 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -67,6 +67,7 @@ struct nfs_pageio_descriptor {
         int                     pg_ioflags;
         int                     pg_error;
         const struct rpc_call_ops *pg_rpc_callops;
+        const struct nfs_pgio_completion_ops *pg_completion_ops;
         struct pnfs_layout_segment *pg_lseg;
 };
 
@@ -83,6 +84,7 @@ extern	void nfs_release_request(struct nfs_page *req);
 extern  void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
                              struct inode *inode,
                              const struct nfs_pageio_ops *pg_ops,
+                             const struct nfs_pgio_completion_ops *compl_ops,
                              size_t bsize,
                              int how);
 extern  int nfs_pageio_add_request(struct nfs_pageio_descriptor *,