diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 3f3aedd..da36257 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -441,6 +441,7 @@
 void nfs_mark_request_commit(struct nfs_page *req,
 			     struct pnfs_layout_segment *lseg,
 			     struct nfs_commit_info *cinfo);
+int nfs_write_need_commit(struct nfs_pgio_header *);
 int nfs_generic_commit_list(struct inode *inode, struct list_head *head,
 			    int how, struct nfs_commit_info *cinfo);
 void nfs_retry_commit(struct list_head *page_list,