1 files changed, 10 insertions, 0 deletions

diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 1d4e6317fa95..6380b9405bcd 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -79,6 +79,7 @@ struct pnfs_layoutdriver_type {
          * I/O, else return PNFS_NOT_ATTEMPTED to fall back to normal NFS
          */
         enum pnfs_try_status (*read_pagelist) (struct nfs_read_data *nfs_data);
+        enum pnfs_try_status (*write_pagelist) (struct nfs_write_data *nfs_data, int how);
 };
 
 struct pnfs_layout_hdr {
@@ -120,6 +121,8 @@ pnfs_update_layout(struct inode *ino, struct nfs_open_context *ctx,
                    enum pnfs_iomode access_type);
 void set_pnfs_layoutdriver(struct nfs_server *, u32 id);
 void unset_pnfs_layoutdriver(struct nfs_server *);
+enum pnfs_try_status pnfs_try_to_write_data(struct nfs_write_data *,
+                                             const struct rpc_call_ops *, int);
 enum pnfs_try_status pnfs_try_to_read_data(struct nfs_read_data *,
                                             const struct rpc_call_ops *);
 void pnfs_pageio_init_read(struct nfs_pageio_descriptor *, struct inode *);
@@ -200,6 +203,13 @@ pnfs_try_to_read_data(struct nfs_read_data *data,
         return PNFS_NOT_ATTEMPTED;
 }
 
+static inline enum pnfs_try_status
+pnfs_try_to_write_data(struct nfs_write_data *data,
+                       const struct rpc_call_ops *call_ops, int how)
+{
+        return PNFS_NOT_ATTEMPTED;
+}
+
 static inline bool
 pnfs_roc(struct inode *ino)
 {